mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
3373 lines
118 KiB
3373 lines
118 KiB
/* |
|
* Copyright (c) 2000-2003 Fabrice Bellard |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* FFmpeg is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
/** |
|
* @file |
|
* multimedia converter based on the FFmpeg libraries |
|
*/ |
|
|
|
#include "config.h" |
|
#include <ctype.h> |
|
#include <string.h> |
|
#include <math.h> |
|
#include <stdlib.h> |
|
#include <errno.h> |
|
#include <limits.h> |
|
#if HAVE_ISATTY |
|
#if HAVE_IO_H |
|
#include <io.h> |
|
#endif |
|
#if HAVE_UNISTD_H |
|
#include <unistd.h> |
|
#endif |
|
#endif |
|
#include "libavformat/avformat.h" |
|
#include "libavdevice/avdevice.h" |
|
#include "libswscale/swscale.h" |
|
#include "libswresample/swresample.h" |
|
#include "libavutil/opt.h" |
|
#include "libavutil/channel_layout.h" |
|
#include "libavutil/parseutils.h" |
|
#include "libavutil/samplefmt.h" |
|
#include "libavutil/colorspace.h" |
|
#include "libavutil/fifo.h" |
|
#include "libavutil/intreadwrite.h" |
|
#include "libavutil/dict.h" |
|
#include "libavutil/mathematics.h" |
|
#include "libavutil/pixdesc.h" |
|
#include "libavutil/avstring.h" |
|
#include "libavutil/libm.h" |
|
#include "libavutil/imgutils.h" |
|
#include "libavutil/timestamp.h" |
|
#include "libavutil/bprint.h" |
|
#include "libavutil/time.h" |
|
#include "libavformat/os_support.h" |
|
|
|
#include "libavformat/ffm.h" // not public API |
|
|
|
# include "libavfilter/avcodec.h" |
|
# include "libavfilter/avfilter.h" |
|
# include "libavfilter/buffersrc.h" |
|
# include "libavfilter/buffersink.h" |
|
|
|
#if HAVE_SYS_RESOURCE_H |
|
#include <sys/time.h> |
|
#include <sys/types.h> |
|
#include <sys/resource.h> |
|
#elif HAVE_GETPROCESSTIMES |
|
#include <windows.h> |
|
#endif |
|
#if HAVE_GETPROCESSMEMORYINFO |
|
#include <windows.h> |
|
#include <psapi.h> |
|
#endif |
|
|
|
#if HAVE_SYS_SELECT_H |
|
#include <sys/select.h> |
|
#endif |
|
|
|
#if HAVE_TERMIOS_H |
|
#include <fcntl.h> |
|
#include <sys/ioctl.h> |
|
#include <sys/time.h> |
|
#include <termios.h> |
|
#elif HAVE_KBHIT |
|
#include <conio.h> |
|
#endif |
|
|
|
#if HAVE_PTHREADS |
|
#include <pthread.h> |
|
#endif |
|
|
|
#include <time.h> |
|
|
|
#include "ffmpeg.h" |
|
#include "cmdutils.h" |
|
|
|
#include "libavutil/avassert.h" |
|
|
|
const char program_name[] = "ffmpeg"; |
|
const int program_birth_year = 2000; |
|
|
|
static FILE *vstats_file; |
|
|
|
const char *const forced_keyframes_const_names[] = { |
|
"n", |
|
"n_forced", |
|
"prev_forced_n", |
|
"prev_forced_t", |
|
"t", |
|
NULL |
|
}; |
|
|
|
static void do_video_stats(OutputStream *ost, int frame_size); |
|
static int64_t getutime(void); |
|
static int64_t getmaxrss(void); |
|
|
|
static int run_as_daemon = 0; |
|
static int64_t video_size = 0; |
|
static int64_t audio_size = 0; |
|
static int64_t subtitle_size = 0; |
|
static int64_t extra_size = 0; |
|
static int nb_frames_dup = 0; |
|
static int nb_frames_drop = 0; |
|
static int64_t decode_error_stat[2]; |
|
|
|
static int current_time; |
|
AVIOContext *progress_avio = NULL; |
|
|
|
static uint8_t *subtitle_out; |
|
|
|
#if HAVE_PTHREADS |
|
/* signal to input threads that they should exit; set by the main thread */ |
|
static int transcoding_finished; |
|
#endif |
|
|
|
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass" |
|
|
|
InputStream **input_streams = NULL; |
|
int nb_input_streams = 0; |
|
InputFile **input_files = NULL; |
|
int nb_input_files = 0; |
|
|
|
OutputStream **output_streams = NULL; |
|
int nb_output_streams = 0; |
|
OutputFile **output_files = NULL; |
|
int nb_output_files = 0; |
|
|
|
FilterGraph **filtergraphs; |
|
int nb_filtergraphs; |
|
|
|
#if HAVE_TERMIOS_H |
|
|
|
/* init terminal so that we can grab keys */ |
|
static struct termios oldtty; |
|
static int restore_tty; |
|
#endif |
|
|
|
|
|
/* sub2video hack: |
|
Convert subtitles to video with alpha to insert them in filter graphs. |
|
This is a temporary solution until libavfilter gets real subtitles support. |
|
*/ |
|
|
|
static int sub2video_get_blank_frame(InputStream *ist) |
|
{ |
|
int ret; |
|
AVFrame *frame = ist->sub2video.frame; |
|
|
|
av_frame_unref(frame); |
|
ist->sub2video.frame->width = ist->sub2video.w; |
|
ist->sub2video.frame->height = ist->sub2video.h; |
|
ist->sub2video.frame->format = AV_PIX_FMT_RGB32; |
|
if ((ret = av_frame_get_buffer(frame, 32)) < 0) |
|
return ret; |
|
memset(frame->data[0], 0, frame->height * frame->linesize[0]); |
|
return 0; |
|
} |
|
|
|
static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h, |
|
AVSubtitleRect *r) |
|
{ |
|
uint32_t *pal, *dst2; |
|
uint8_t *src, *src2; |
|
int x, y; |
|
|
|
if (r->type != SUBTITLE_BITMAP) { |
|
av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n"); |
|
return; |
|
} |
|
if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) { |
|
av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n"); |
|
return; |
|
} |
|
|
|
dst += r->y * dst_linesize + r->x * 4; |
|
src = r->pict.data[0]; |
|
pal = (uint32_t *)r->pict.data[1]; |
|
for (y = 0; y < r->h; y++) { |
|
dst2 = (uint32_t *)dst; |
|
src2 = src; |
|
for (x = 0; x < r->w; x++) |
|
*(dst2++) = pal[*(src2++)]; |
|
dst += dst_linesize; |
|
src += r->pict.linesize[0]; |
|
} |
|
} |
|
|
|
static void sub2video_push_ref(InputStream *ist, int64_t pts) |
|
{ |
|
AVFrame *frame = ist->sub2video.frame; |
|
int i; |
|
|
|
av_assert1(frame->data[0]); |
|
ist->sub2video.last_pts = frame->pts = pts; |
|
for (i = 0; i < ist->nb_filters; i++) |
|
av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame, |
|
AV_BUFFERSRC_FLAG_KEEP_REF | |
|
AV_BUFFERSRC_FLAG_PUSH); |
|
} |
|
|
|
static void sub2video_update(InputStream *ist, AVSubtitle *sub) |
|
{ |
|
int w = ist->sub2video.w, h = ist->sub2video.h; |
|
AVFrame *frame = ist->sub2video.frame; |
|
int8_t *dst; |
|
int dst_linesize; |
|
int num_rects, i; |
|
int64_t pts, end_pts; |
|
|
|
if (!frame) |
|
return; |
|
if (sub) { |
|
pts = av_rescale_q(sub->pts + sub->start_display_time * 1000, |
|
AV_TIME_BASE_Q, ist->st->time_base); |
|
end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000, |
|
AV_TIME_BASE_Q, ist->st->time_base); |
|
num_rects = sub->num_rects; |
|
} else { |
|
pts = ist->sub2video.end_pts; |
|
end_pts = INT64_MAX; |
|
num_rects = 0; |
|
} |
|
if (sub2video_get_blank_frame(ist) < 0) { |
|
av_log(ist->st->codec, AV_LOG_ERROR, |
|
"Impossible to get a blank canvas.\n"); |
|
return; |
|
} |
|
dst = frame->data [0]; |
|
dst_linesize = frame->linesize[0]; |
|
for (i = 0; i < num_rects; i++) |
|
sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]); |
|
sub2video_push_ref(ist, pts); |
|
ist->sub2video.end_pts = end_pts; |
|
} |
|
|
|
static void sub2video_heartbeat(InputStream *ist, int64_t pts) |
|
{ |
|
InputFile *infile = input_files[ist->file_index]; |
|
int i, j, nb_reqs; |
|
int64_t pts2; |
|
|
|
/* When a frame is read from a file, examine all sub2video streams in |
|
the same file and send the sub2video frame again. Otherwise, decoded |
|
video frames could be accumulating in the filter graph while a filter |
|
(possibly overlay) is desperately waiting for a subtitle frame. */ |
|
for (i = 0; i < infile->nb_streams; i++) { |
|
InputStream *ist2 = input_streams[infile->ist_index + i]; |
|
if (!ist2->sub2video.frame) |
|
continue; |
|
/* subtitles seem to be usually muxed ahead of other streams; |
|
if not, substracting a larger time here is necessary */ |
|
pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1; |
|
/* do not send the heartbeat frame if the subtitle is already ahead */ |
|
if (pts2 <= ist2->sub2video.last_pts) |
|
continue; |
|
if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0]) |
|
sub2video_update(ist2, NULL); |
|
for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++) |
|
nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter); |
|
if (nb_reqs) |
|
sub2video_push_ref(ist2, pts2); |
|
} |
|
} |
|
|
|
static void sub2video_flush(InputStream *ist) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < ist->nb_filters; i++) |
|
av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0); |
|
} |
|
|
|
/* end of sub2video hack */ |
|
|
|
void term_exit(void) |
|
{ |
|
av_log(NULL, AV_LOG_QUIET, "%s", ""); |
|
#if HAVE_TERMIOS_H |
|
if(restore_tty) |
|
tcsetattr (0, TCSANOW, &oldtty); |
|
#endif |
|
} |
|
|
|
static volatile int received_sigterm = 0; |
|
static volatile int received_nb_signals = 0; |
|
|
|
static void |
|
sigterm_handler(int sig) |
|
{ |
|
received_sigterm = sig; |
|
received_nb_signals++; |
|
term_exit(); |
|
if(received_nb_signals > 3) |
|
exit(123); |
|
} |
|
|
|
void term_init(void) |
|
{ |
|
#if HAVE_TERMIOS_H |
|
if(!run_as_daemon){ |
|
struct termios tty; |
|
int istty = 1; |
|
#if HAVE_ISATTY |
|
istty = isatty(0) && isatty(2); |
|
#endif |
|
if (istty && tcgetattr (0, &tty) == 0) { |
|
oldtty = tty; |
|
restore_tty = 1; |
|
atexit(term_exit); |
|
|
|
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
|
|INLCR|IGNCR|ICRNL|IXON); |
|
tty.c_oflag |= OPOST; |
|
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
|
tty.c_cflag &= ~(CSIZE|PARENB); |
|
tty.c_cflag |= CS8; |
|
tty.c_cc[VMIN] = 1; |
|
tty.c_cc[VTIME] = 0; |
|
|
|
tcsetattr (0, TCSANOW, &tty); |
|
} |
|
signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */ |
|
} |
|
#endif |
|
avformat_network_deinit(); |
|
|
|
signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */ |
|
signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */ |
|
#ifdef SIGXCPU |
|
signal(SIGXCPU, sigterm_handler); |
|
#endif |
|
} |
|
|
|
/* read a key without blocking */ |
|
static int read_key(void) |
|
{ |
|
unsigned char ch; |
|
#if HAVE_TERMIOS_H |
|
int n = 1; |
|
struct timeval tv; |
|
fd_set rfds; |
|
|
|
FD_ZERO(&rfds); |
|
FD_SET(0, &rfds); |
|
tv.tv_sec = 0; |
|
tv.tv_usec = 0; |
|
n = select(1, &rfds, NULL, NULL, &tv); |
|
if (n > 0) { |
|
n = read(0, &ch, 1); |
|
if (n == 1) |
|
return ch; |
|
|
|
return n; |
|
} |
|
#elif HAVE_KBHIT |
|
# if HAVE_PEEKNAMEDPIPE |
|
static int is_pipe; |
|
static HANDLE input_handle; |
|
DWORD dw, nchars; |
|
if(!input_handle){ |
|
input_handle = GetStdHandle(STD_INPUT_HANDLE); |
|
is_pipe = !GetConsoleMode(input_handle, &dw); |
|
} |
|
|
|
if (stdin->_cnt > 0) { |
|
read(0, &ch, 1); |
|
return ch; |
|
} |
|
if (is_pipe) { |
|
/* When running under a GUI, you will end here. */ |
|
if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) { |
|
// input pipe may have been closed by the program that ran ffmpeg |
|
return -1; |
|
} |
|
//Read it |
|
if(nchars != 0) { |
|
read(0, &ch, 1); |
|
return ch; |
|
}else{ |
|
return -1; |
|
} |
|
} |
|
# endif |
|
if(kbhit()) |
|
return(getch()); |
|
#endif |
|
return -1; |
|
} |
|
|
|
static int decode_interrupt_cb(void *ctx) |
|
{ |
|
return received_nb_signals > 1; |
|
} |
|
|
|
const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }; |
|
|
|
static void exit_program(void) |
|
{ |
|
int i, j; |
|
|
|
if (do_benchmark) { |
|
int maxrss = getmaxrss() / 1024; |
|
printf("bench: maxrss=%ikB\n", maxrss); |
|
} |
|
|
|
for (i = 0; i < nb_filtergraphs; i++) { |
|
avfilter_graph_free(&filtergraphs[i]->graph); |
|
for (j = 0; j < filtergraphs[i]->nb_inputs; j++) { |
|
av_freep(&filtergraphs[i]->inputs[j]->name); |
|
av_freep(&filtergraphs[i]->inputs[j]); |
|
} |
|
av_freep(&filtergraphs[i]->inputs); |
|
for (j = 0; j < filtergraphs[i]->nb_outputs; j++) { |
|
av_freep(&filtergraphs[i]->outputs[j]->name); |
|
av_freep(&filtergraphs[i]->outputs[j]); |
|
} |
|
av_freep(&filtergraphs[i]->outputs); |
|
av_freep(&filtergraphs[i]->graph_desc); |
|
av_freep(&filtergraphs[i]); |
|
} |
|
av_freep(&filtergraphs); |
|
|
|
av_freep(&subtitle_out); |
|
|
|
/* close files */ |
|
for (i = 0; i < nb_output_files; i++) { |
|
AVFormatContext *s = output_files[i]->ctx; |
|
if (s && !(s->oformat->flags & AVFMT_NOFILE) && s->pb) |
|
avio_close(s->pb); |
|
avformat_free_context(s); |
|
av_dict_free(&output_files[i]->opts); |
|
av_freep(&output_files[i]); |
|
} |
|
for (i = 0; i < nb_output_streams; i++) { |
|
AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters; |
|
while (bsfc) { |
|
AVBitStreamFilterContext *next = bsfc->next; |
|
av_bitstream_filter_close(bsfc); |
|
bsfc = next; |
|
} |
|
output_streams[i]->bitstream_filters = NULL; |
|
avcodec_free_frame(&output_streams[i]->filtered_frame); |
|
|
|
av_freep(&output_streams[i]->forced_keyframes); |
|
av_expr_free(output_streams[i]->forced_keyframes_pexpr); |
|
av_freep(&output_streams[i]->avfilter); |
|
av_freep(&output_streams[i]->logfile_prefix); |
|
av_freep(&output_streams[i]); |
|
} |
|
for (i = 0; i < nb_input_files; i++) { |
|
avformat_close_input(&input_files[i]->ctx); |
|
av_freep(&input_files[i]); |
|
} |
|
for (i = 0; i < nb_input_streams; i++) { |
|
av_frame_free(&input_streams[i]->decoded_frame); |
|
av_frame_free(&input_streams[i]->filter_frame); |
|
av_dict_free(&input_streams[i]->opts); |
|
avsubtitle_free(&input_streams[i]->prev_sub.subtitle); |
|
av_frame_free(&input_streams[i]->sub2video.frame); |
|
av_freep(&input_streams[i]->filters); |
|
av_freep(&input_streams[i]); |
|
} |
|
|
|
if (vstats_file) |
|
fclose(vstats_file); |
|
av_free(vstats_filename); |
|
|
|
av_freep(&input_streams); |
|
av_freep(&input_files); |
|
av_freep(&output_streams); |
|
av_freep(&output_files); |
|
|
|
uninit_opts(); |
|
|
|
avformat_network_deinit(); |
|
|
|
if (received_sigterm) { |
|
av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n", |
|
(int) received_sigterm); |
|
} |
|
} |
|
|
|
void assert_avoptions(AVDictionary *m) |
|
{ |
|
AVDictionaryEntry *t; |
|
if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) { |
|
av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key); |
|
exit(1); |
|
} |
|
} |
|
|
|
static void abort_codec_experimental(AVCodec *c, int encoder) |
|
{ |
|
exit(1); |
|
} |
|
|
|
static void update_benchmark(const char *fmt, ...) |
|
{ |
|
if (do_benchmark_all) { |
|
int64_t t = getutime(); |
|
va_list va; |
|
char buf[1024]; |
|
|
|
if (fmt) { |
|
va_start(va, fmt); |
|
vsnprintf(buf, sizeof(buf), fmt, va); |
|
va_end(va); |
|
printf("bench: %8"PRIu64" %s \n", t - current_time, buf); |
|
} |
|
current_time = t; |
|
} |
|
} |
|
|
|
static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost) |
|
{ |
|
AVBitStreamFilterContext *bsfc = ost->bitstream_filters; |
|
AVCodecContext *avctx = ost->st->codec; |
|
int ret; |
|
|
|
if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) || |
|
(avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0)) |
|
pkt->pts = pkt->dts = AV_NOPTS_VALUE; |
|
|
|
if ((avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) && pkt->dts != AV_NOPTS_VALUE) { |
|
int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT); |
|
if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) { |
|
av_log(s, max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG, |
|
"st:%d PTS: %"PRId64" DTS: %"PRId64" < %"PRId64" invalid, clipping\n", pkt->stream_index, pkt->pts, pkt->dts, max); |
|
if(pkt->pts >= pkt->dts) |
|
pkt->pts = FFMAX(pkt->pts, max); |
|
pkt->dts = max; |
|
} |
|
} |
|
|
|
/* |
|
* Audio encoders may split the packets -- #frames in != #packets out. |
|
* But there is no reordering, so we can limit the number of output packets |
|
* by simply dropping them here. |
|
* Counting encoded video frames needs to be done separately because of |
|
* reordering, see do_video_out() |
|
*/ |
|
if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) { |
|
if (ost->frame_number >= ost->max_frames) { |
|
av_free_packet(pkt); |
|
return; |
|
} |
|
ost->frame_number++; |
|
} |
|
|
|
while (bsfc) { |
|
AVPacket new_pkt = *pkt; |
|
int a = av_bitstream_filter_filter(bsfc, avctx, NULL, |
|
&new_pkt.data, &new_pkt.size, |
|
pkt->data, pkt->size, |
|
pkt->flags & AV_PKT_FLAG_KEY); |
|
if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) { |
|
uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow |
|
if(t) { |
|
memcpy(t, new_pkt.data, new_pkt.size); |
|
memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE); |
|
new_pkt.data = t; |
|
new_pkt.buf = NULL; |
|
a = 1; |
|
} else |
|
a = AVERROR(ENOMEM); |
|
} |
|
if (a > 0) { |
|
av_free_packet(pkt); |
|
new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size, |
|
av_buffer_default_free, NULL, 0); |
|
if (!new_pkt.buf) |
|
exit(1); |
|
} else if (a < 0) { |
|
av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s", |
|
bsfc->filter->name, pkt->stream_index, |
|
avctx->codec ? avctx->codec->name : "copy"); |
|
print_error("", a); |
|
if (exit_on_error) |
|
exit(1); |
|
} |
|
*pkt = new_pkt; |
|
|
|
bsfc = bsfc->next; |
|
} |
|
|
|
pkt->stream_index = ost->index; |
|
|
|
if (debug_ts) { |
|
av_log(NULL, AV_LOG_INFO, "muxer <- type:%s " |
|
"pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n", |
|
av_get_media_type_string(ost->st->codec->codec_type), |
|
av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base), |
|
av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base), |
|
pkt->size |
|
); |
|
} |
|
|
|
ret = av_interleaved_write_frame(s, pkt); |
|
if (ret < 0) { |
|
print_error("av_interleaved_write_frame()", ret); |
|
exit(1); |
|
} |
|
} |
|
|
|
static void close_output_stream(OutputStream *ost) |
|
{ |
|
OutputFile *of = output_files[ost->file_index]; |
|
|
|
ost->finished = 1; |
|
if (of->shortest) { |
|
int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q); |
|
of->recording_time = FFMIN(of->recording_time, end); |
|
} |
|
} |
|
|
|
static int check_recording_time(OutputStream *ost) |
|
{ |
|
OutputFile *of = output_files[ost->file_index]; |
|
|
|
if (of->recording_time != INT64_MAX && |
|
av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time, |
|
AV_TIME_BASE_Q) >= 0) { |
|
close_output_stream(ost); |
|
return 0; |
|
} |
|
return 1; |
|
} |
|
|
|
static void do_audio_out(AVFormatContext *s, OutputStream *ost, |
|
AVFrame *frame) |
|
{ |
|
AVCodecContext *enc = ost->st->codec; |
|
AVPacket pkt; |
|
int got_packet = 0; |
|
|
|
av_init_packet(&pkt); |
|
pkt.data = NULL; |
|
pkt.size = 0; |
|
|
|
if (!check_recording_time(ost)) |
|
return; |
|
|
|
if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0) |
|
frame->pts = ost->sync_opts; |
|
ost->sync_opts = frame->pts + frame->nb_samples; |
|
|
|
av_assert0(pkt.size || !pkt.data); |
|
update_benchmark(NULL); |
|
if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) { |
|
av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n"); |
|
exit(1); |
|
} |
|
update_benchmark("encode_audio %d.%d", ost->file_index, ost->index); |
|
|
|
if (got_packet) { |
|
if (pkt.pts != AV_NOPTS_VALUE) |
|
pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); |
|
if (pkt.dts != AV_NOPTS_VALUE) |
|
pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); |
|
if (pkt.duration > 0) |
|
pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base); |
|
|
|
if (debug_ts) { |
|
av_log(NULL, AV_LOG_INFO, "encoder -> type:audio " |
|
"pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", |
|
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base), |
|
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base)); |
|
} |
|
|
|
audio_size += pkt.size; |
|
write_frame(s, &pkt, ost); |
|
|
|
av_free_packet(&pkt); |
|
} |
|
} |
|
|
|
static void do_subtitle_out(AVFormatContext *s, |
|
OutputStream *ost, |
|
InputStream *ist, |
|
AVSubtitle *sub) |
|
{ |
|
int subtitle_out_max_size = 1024 * 1024; |
|
int subtitle_out_size, nb, i; |
|
AVCodecContext *enc; |
|
AVPacket pkt; |
|
int64_t pts; |
|
|
|
if (sub->pts == AV_NOPTS_VALUE) { |
|
av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n"); |
|
if (exit_on_error) |
|
exit(1); |
|
return; |
|
} |
|
|
|
enc = ost->st->codec; |
|
|
|
if (!subtitle_out) { |
|
subtitle_out = av_malloc(subtitle_out_max_size); |
|
} |
|
|
|
/* Note: DVB subtitle need one packet to draw them and one other |
|
packet to clear them */ |
|
/* XXX: signal it in the codec context ? */ |
|
if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) |
|
nb = 2; |
|
else |
|
nb = 1; |
|
|
|
/* shift timestamp to honor -ss and make check_recording_time() work with -t */ |
|
pts = sub->pts - output_files[ost->file_index]->start_time; |
|
for (i = 0; i < nb; i++) { |
|
ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base); |
|
if (!check_recording_time(ost)) |
|
return; |
|
|
|
sub->pts = pts; |
|
// start_display_time is required to be 0 |
|
sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q); |
|
sub->end_display_time -= sub->start_display_time; |
|
sub->start_display_time = 0; |
|
if (i == 1) |
|
sub->num_rects = 0; |
|
subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out, |
|
subtitle_out_max_size, sub); |
|
if (subtitle_out_size < 0) { |
|
av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n"); |
|
exit(1); |
|
} |
|
|
|
av_init_packet(&pkt); |
|
pkt.data = subtitle_out; |
|
pkt.size = subtitle_out_size; |
|
pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base); |
|
pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base); |
|
if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) { |
|
/* XXX: the pts correction is handled here. Maybe handling |
|
it in the codec would be better */ |
|
if (i == 0) |
|
pkt.pts += 90 * sub->start_display_time; |
|
else |
|
pkt.pts += 90 * sub->end_display_time; |
|
} |
|
subtitle_size += pkt.size; |
|
write_frame(s, &pkt, ost); |
|
} |
|
} |
|
|
|
static void do_video_out(AVFormatContext *s, |
|
OutputStream *ost, |
|
AVFrame *in_picture) |
|
{ |
|
int ret, format_video_sync; |
|
AVPacket pkt; |
|
AVCodecContext *enc = ost->st->codec; |
|
int nb_frames, i; |
|
double sync_ipts, delta; |
|
double duration = 0; |
|
int frame_size = 0; |
|
InputStream *ist = NULL; |
|
|
|
if (ost->source_index >= 0) |
|
ist = input_streams[ost->source_index]; |
|
|
|
if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num) |
|
duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)); |
|
|
|
sync_ipts = in_picture->pts; |
|
delta = sync_ipts - ost->sync_opts + duration; |
|
|
|
/* by default, we output a single frame */ |
|
nb_frames = 1; |
|
|
|
format_video_sync = video_sync_method; |
|
if (format_video_sync == VSYNC_AUTO) |
|
format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR; |
|
|
|
switch (format_video_sync) { |
|
case VSYNC_CFR: |
|
// FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c |
|
if (delta < -1.1) |
|
nb_frames = 0; |
|
else if (delta > 1.1) |
|
nb_frames = lrintf(delta); |
|
break; |
|
case VSYNC_VFR: |
|
if (delta <= -0.6) |
|
nb_frames = 0; |
|
else if (delta > 0.6) |
|
ost->sync_opts = lrint(sync_ipts); |
|
break; |
|
case VSYNC_DROP: |
|
case VSYNC_PASSTHROUGH: |
|
ost->sync_opts = lrint(sync_ipts); |
|
break; |
|
default: |
|
av_assert0(0); |
|
} |
|
|
|
nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number); |
|
if (nb_frames == 0) { |
|
nb_frames_drop++; |
|
av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n"); |
|
return; |
|
} else if (nb_frames > 1) { |
|
if (nb_frames > dts_error_threshold * 30) { |
|
av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1); |
|
nb_frames_drop++; |
|
return; |
|
} |
|
nb_frames_dup += nb_frames - 1; |
|
av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1); |
|
} |
|
|
|
/* duplicates frame if needed */ |
|
for (i = 0; i < nb_frames; i++) { |
|
av_init_packet(&pkt); |
|
pkt.data = NULL; |
|
pkt.size = 0; |
|
|
|
in_picture->pts = ost->sync_opts; |
|
|
|
#if 1 |
|
if (!check_recording_time(ost)) |
|
#else |
|
if (ost->frame_number >= ost->max_frames) |
|
#endif |
|
return; |
|
|
|
if (s->oformat->flags & AVFMT_RAWPICTURE && |
|
enc->codec->id == AV_CODEC_ID_RAWVIDEO) { |
|
/* raw pictures are written as AVPicture structure to |
|
avoid any copies. We support temporarily the older |
|
method. */ |
|
enc->coded_frame->interlaced_frame = in_picture->interlaced_frame; |
|
enc->coded_frame->top_field_first = in_picture->top_field_first; |
|
if (enc->coded_frame->interlaced_frame) |
|
enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT; |
|
else |
|
enc->field_order = AV_FIELD_PROGRESSIVE; |
|
pkt.data = (uint8_t *)in_picture; |
|
pkt.size = sizeof(AVPicture); |
|
pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base); |
|
pkt.flags |= AV_PKT_FLAG_KEY; |
|
|
|
video_size += pkt.size; |
|
write_frame(s, &pkt, ost); |
|
} else { |
|
int got_packet, forced_keyframe = 0; |
|
double pts_time; |
|
|
|
if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) && |
|
ost->top_field_first >= 0) |
|
in_picture->top_field_first = !!ost->top_field_first; |
|
|
|
if (in_picture->interlaced_frame) { |
|
if (enc->codec->id == AV_CODEC_ID_MJPEG) |
|
enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB; |
|
else |
|
enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT; |
|
} else |
|
enc->field_order = AV_FIELD_PROGRESSIVE; |
|
|
|
in_picture->quality = ost->st->codec->global_quality; |
|
if (!enc->me_threshold) |
|
in_picture->pict_type = 0; |
|
|
|
pts_time = in_picture->pts != AV_NOPTS_VALUE ? |
|
in_picture->pts * av_q2d(enc->time_base) : NAN; |
|
if (ost->forced_kf_index < ost->forced_kf_count && |
|
in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) { |
|
ost->forced_kf_index++; |
|
forced_keyframe = 1; |
|
} else if (ost->forced_keyframes_pexpr) { |
|
double res; |
|
ost->forced_keyframes_expr_const_values[FKF_T] = pts_time; |
|
res = av_expr_eval(ost->forced_keyframes_pexpr, |
|
ost->forced_keyframes_expr_const_values, NULL); |
|
av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n", |
|
ost->forced_keyframes_expr_const_values[FKF_N], |
|
ost->forced_keyframes_expr_const_values[FKF_N_FORCED], |
|
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N], |
|
ost->forced_keyframes_expr_const_values[FKF_T], |
|
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T], |
|
res); |
|
if (res) { |
|
forced_keyframe = 1; |
|
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = |
|
ost->forced_keyframes_expr_const_values[FKF_N]; |
|
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = |
|
ost->forced_keyframes_expr_const_values[FKF_T]; |
|
ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1; |
|
} |
|
|
|
ost->forced_keyframes_expr_const_values[FKF_N] += 1; |
|
} |
|
if (forced_keyframe) { |
|
in_picture->pict_type = AV_PICTURE_TYPE_I; |
|
av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time); |
|
} |
|
|
|
update_benchmark(NULL); |
|
ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet); |
|
update_benchmark("encode_video %d.%d", ost->file_index, ost->index); |
|
if (ret < 0) { |
|
av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n"); |
|
exit(1); |
|
} |
|
|
|
if (got_packet) { |
|
if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY)) |
|
pkt.pts = ost->sync_opts; |
|
|
|
if (pkt.pts != AV_NOPTS_VALUE) |
|
pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); |
|
if (pkt.dts != AV_NOPTS_VALUE) |
|
pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); |
|
|
|
if (debug_ts) { |
|
av_log(NULL, AV_LOG_INFO, "encoder -> type:video " |
|
"pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", |
|
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base), |
|
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base)); |
|
} |
|
|
|
frame_size = pkt.size; |
|
video_size += pkt.size; |
|
write_frame(s, &pkt, ost); |
|
av_free_packet(&pkt); |
|
|
|
/* if two pass, output log */ |
|
if (ost->logfile && enc->stats_out) { |
|
fprintf(ost->logfile, "%s", enc->stats_out); |
|
} |
|
} |
|
} |
|
ost->sync_opts++; |
|
/* |
|
* For video, number of frames in == number of packets out. |
|
* But there may be reordering, so we can't throw away frames on encoder |
|
* flush, we need to limit them here, before they go into encoder. |
|
*/ |
|
ost->frame_number++; |
|
|
|
if (vstats_filename && frame_size) |
|
do_video_stats(ost, frame_size); |
|
} |
|
} |
|
|
|
static double psnr(double d) |
|
{ |
|
return -10.0 * log(d) / log(10.0); |
|
} |
|
|
|
static void do_video_stats(OutputStream *ost, int frame_size) |
|
{ |
|
AVCodecContext *enc; |
|
int frame_number; |
|
double ti1, bitrate, avg_bitrate; |
|
|
|
/* this is executed just the first time do_video_stats is called */ |
|
if (!vstats_file) { |
|
vstats_file = fopen(vstats_filename, "w"); |
|
if (!vstats_file) { |
|
perror("fopen"); |
|
exit(1); |
|
} |
|
} |
|
|
|
enc = ost->st->codec; |
|
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
frame_number = ost->st->nb_frames; |
|
fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA); |
|
if (enc->flags&CODEC_FLAG_PSNR) |
|
fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0))); |
|
|
|
fprintf(vstats_file,"f_size= %6d ", frame_size); |
|
/* compute pts value */ |
|
ti1 = ost->st->pts.val * av_q2d(enc->time_base); |
|
if (ti1 < 0.01) |
|
ti1 = 0.01; |
|
|
|
bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0; |
|
avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0; |
|
fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ", |
|
(double)video_size / 1024, ti1, bitrate, avg_bitrate); |
|
fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type)); |
|
} |
|
} |
|
|
|
/** |
|
* Get and encode new output from any of the filtergraphs, without causing |
|
* activity. |
|
* |
|
* @return 0 for success, <0 for severe errors |
|
*/ |
|
static int reap_filters(void) |
|
{ |
|
AVFrame *filtered_frame = NULL; |
|
int i; |
|
int64_t frame_pts; |
|
|
|
/* Reap all buffers present in the buffer sinks */ |
|
for (i = 0; i < nb_output_streams; i++) { |
|
OutputStream *ost = output_streams[i]; |
|
OutputFile *of = output_files[ost->file_index]; |
|
int ret = 0; |
|
|
|
if (!ost->filter) |
|
continue; |
|
|
|
if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) { |
|
return AVERROR(ENOMEM); |
|
} else |
|
avcodec_get_frame_defaults(ost->filtered_frame); |
|
filtered_frame = ost->filtered_frame; |
|
|
|
while (1) { |
|
ret = av_buffersink_get_frame_flags(ost->filter->filter, filtered_frame, |
|
AV_BUFFERSINK_FLAG_NO_REQUEST); |
|
if (ret < 0) { |
|
if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) { |
|
av_log(NULL, AV_LOG_WARNING, |
|
"Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret)); |
|
} |
|
break; |
|
} |
|
frame_pts = AV_NOPTS_VALUE; |
|
if (filtered_frame->pts != AV_NOPTS_VALUE) { |
|
filtered_frame->pts = frame_pts = av_rescale_q(filtered_frame->pts, |
|
ost->filter->filter->inputs[0]->time_base, |
|
ost->st->codec->time_base) - |
|
av_rescale_q(of->start_time, |
|
AV_TIME_BASE_Q, |
|
ost->st->codec->time_base); |
|
} |
|
//if (ost->source_index >= 0) |
|
// *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold |
|
|
|
|
|
switch (ost->filter->filter->inputs[0]->type) { |
|
case AVMEDIA_TYPE_VIDEO: |
|
filtered_frame->pts = frame_pts; |
|
if (!ost->frame_aspect_ratio.num) |
|
ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio; |
|
|
|
do_video_out(of->ctx, ost, filtered_frame); |
|
break; |
|
case AVMEDIA_TYPE_AUDIO: |
|
filtered_frame->pts = frame_pts; |
|
if (!(ost->st->codec->codec->capabilities & CODEC_CAP_PARAM_CHANGE) && |
|
ost->st->codec->channels != av_frame_get_channels(filtered_frame)) { |
|
av_log(NULL, AV_LOG_ERROR, |
|
"Audio filter graph output is not normalized and encoder does not support parameter changes\n"); |
|
break; |
|
} |
|
do_audio_out(of->ctx, ost, filtered_frame); |
|
break; |
|
default: |
|
// TODO support subtitle filters |
|
av_assert0(0); |
|
} |
|
|
|
av_frame_unref(filtered_frame); |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time) |
|
{ |
|
char buf[1024]; |
|
AVBPrint buf_script; |
|
OutputStream *ost; |
|
AVFormatContext *oc; |
|
int64_t total_size; |
|
AVCodecContext *enc; |
|
int frame_number, vid, i; |
|
double bitrate; |
|
int64_t pts = INT64_MIN; |
|
static int64_t last_time = -1; |
|
static int qp_histogram[52]; |
|
int hours, mins, secs, us; |
|
|
|
if (!print_stats && !is_last_report && !progress_avio) |
|
return; |
|
|
|
if (!is_last_report) { |
|
if (last_time == -1) { |
|
last_time = cur_time; |
|
return; |
|
} |
|
if ((cur_time - last_time) < 500000) |
|
return; |
|
last_time = cur_time; |
|
} |
|
|
|
|
|
oc = output_files[0]->ctx; |
|
|
|
total_size = avio_size(oc->pb); |
|
if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too |
|
total_size = avio_tell(oc->pb); |
|
|
|
buf[0] = '\0'; |
|
vid = 0; |
|
av_bprint_init(&buf_script, 0, 1); |
|
for (i = 0; i < nb_output_streams; i++) { |
|
float q = -1; |
|
ost = output_streams[i]; |
|
enc = ost->st->codec; |
|
if (!ost->stream_copy && enc->coded_frame) |
|
q = enc->coded_frame->quality / (float)FF_QP2LAMBDA; |
|
if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q); |
|
av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n", |
|
ost->file_index, ost->index, q); |
|
} |
|
if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
float fps, t = (cur_time-timer_start) / 1000000.0; |
|
|
|
frame_number = ost->frame_number; |
|
fps = t > 1 ? frame_number / t : 0; |
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ", |
|
frame_number, fps < 9.95, fps, q); |
|
av_bprintf(&buf_script, "frame=%d\n", frame_number); |
|
av_bprintf(&buf_script, "fps=%.1f\n", fps); |
|
av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n", |
|
ost->file_index, ost->index, q); |
|
if (is_last_report) |
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L"); |
|
if (qp_hist) { |
|
int j; |
|
int qp = lrintf(q); |
|
if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram)) |
|
qp_histogram[qp]++; |
|
for (j = 0; j < 32; j++) |
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1))); |
|
} |
|
if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) { |
|
int j; |
|
double error, error_sum = 0; |
|
double scale, scale_sum = 0; |
|
double p; |
|
char type[3] = { 'Y','U','V' }; |
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR="); |
|
for (j = 0; j < 3; j++) { |
|
if (is_last_report) { |
|
error = enc->error[j]; |
|
scale = enc->width * enc->height * 255.0 * 255.0 * frame_number; |
|
} else { |
|
error = enc->coded_frame->error[j]; |
|
scale = enc->width * enc->height * 255.0 * 255.0; |
|
} |
|
if (j) |
|
scale /= 4; |
|
error_sum += error; |
|
scale_sum += scale; |
|
p = psnr(error / scale); |
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p); |
|
av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n", |
|
ost->file_index, ost->index, type[j] | 32, p); |
|
} |
|
p = psnr(error_sum / scale_sum); |
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum)); |
|
av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n", |
|
ost->file_index, ost->index, p); |
|
} |
|
vid = 1; |
|
} |
|
/* compute min output value */ |
|
if ((is_last_report || !ost->finished) && ost->st->pts.val != AV_NOPTS_VALUE) |
|
pts = FFMAX(pts, av_rescale_q(ost->st->pts.val, |
|
ost->st->time_base, AV_TIME_BASE_Q)); |
|
} |
|
|
|
secs = pts / AV_TIME_BASE; |
|
us = pts % AV_TIME_BASE; |
|
mins = secs / 60; |
|
secs %= 60; |
|
hours = mins / 60; |
|
mins %= 60; |
|
|
|
bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1; |
|
|
|
if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
|
"size=N/A time="); |
|
else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
|
"size=%8.0fkB time=", total_size / 1024.0); |
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
|
"%02d:%02d:%02d.%02d ", hours, mins, secs, |
|
(100 * us) / AV_TIME_BASE); |
|
if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
|
"bitrate=N/A"); |
|
else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
|
"bitrate=%6.1fkbits/s", bitrate); |
|
if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n"); |
|
else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size); |
|
av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts); |
|
av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n", |
|
hours, mins, secs, us); |
|
|
|
if (nb_frames_dup || nb_frames_drop) |
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d", |
|
nb_frames_dup, nb_frames_drop); |
|
av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup); |
|
av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop); |
|
|
|
if (print_stats || is_last_report) { |
|
if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) { |
|
fprintf(stderr, "%s \r", buf); |
|
} else |
|
av_log(NULL, AV_LOG_INFO, "%s \r", buf); |
|
|
|
fflush(stderr); |
|
} |
|
|
|
if (progress_avio) { |
|
av_bprintf(&buf_script, "progress=%s\n", |
|
is_last_report ? "end" : "continue"); |
|
avio_write(progress_avio, buf_script.str, |
|
FFMIN(buf_script.len, buf_script.size - 1)); |
|
avio_flush(progress_avio); |
|
av_bprint_finalize(&buf_script, NULL); |
|
if (is_last_report) { |
|
avio_close(progress_avio); |
|
progress_avio = NULL; |
|
} |
|
} |
|
|
|
if (is_last_report) { |
|
int64_t raw= audio_size + video_size + subtitle_size + extra_size; |
|
av_log(NULL, AV_LOG_INFO, "\n"); |
|
av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n", |
|
video_size / 1024.0, |
|
audio_size / 1024.0, |
|
subtitle_size / 1024.0, |
|
extra_size / 1024.0, |
|
100.0 * (total_size - raw) / raw |
|
); |
|
if(video_size + audio_size + subtitle_size + extra_size == 0){ |
|
av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n"); |
|
} |
|
} |
|
} |
|
|
|
static void flush_encoders(void) |
|
{ |
|
int i, ret; |
|
|
|
for (i = 0; i < nb_output_streams; i++) { |
|
OutputStream *ost = output_streams[i]; |
|
AVCodecContext *enc = ost->st->codec; |
|
AVFormatContext *os = output_files[ost->file_index]->ctx; |
|
int stop_encoding = 0; |
|
|
|
if (!ost->encoding_needed) |
|
continue; |
|
|
|
if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1) |
|
continue; |
|
if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO) |
|
continue; |
|
|
|
for (;;) { |
|
int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL; |
|
const char *desc; |
|
int64_t *size; |
|
|
|
switch (ost->st->codec->codec_type) { |
|
case AVMEDIA_TYPE_AUDIO: |
|
encode = avcodec_encode_audio2; |
|
desc = "Audio"; |
|
size = &audio_size; |
|
break; |
|
case AVMEDIA_TYPE_VIDEO: |
|
encode = avcodec_encode_video2; |
|
desc = "Video"; |
|
size = &video_size; |
|
break; |
|
default: |
|
stop_encoding = 1; |
|
} |
|
|
|
if (encode) { |
|
AVPacket pkt; |
|
int got_packet; |
|
av_init_packet(&pkt); |
|
pkt.data = NULL; |
|
pkt.size = 0; |
|
|
|
update_benchmark(NULL); |
|
ret = encode(enc, &pkt, NULL, &got_packet); |
|
update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index); |
|
if (ret < 0) { |
|
av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc); |
|
exit(1); |
|
} |
|
*size += pkt.size; |
|
if (ost->logfile && enc->stats_out) { |
|
fprintf(ost->logfile, "%s", enc->stats_out); |
|
} |
|
if (!got_packet) { |
|
stop_encoding = 1; |
|
break; |
|
} |
|
if (pkt.pts != AV_NOPTS_VALUE) |
|
pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); |
|
if (pkt.dts != AV_NOPTS_VALUE) |
|
pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); |
|
if (pkt.duration > 0) |
|
pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base); |
|
write_frame(os, &pkt, ost); |
|
if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) { |
|
do_video_stats(ost, pkt.size); |
|
} |
|
} |
|
|
|
if (stop_encoding) |
|
break; |
|
} |
|
} |
|
} |
|
|
|
/* |
|
* Check whether a packet from ist should be written into ost at this time |
|
*/ |
|
static int check_output_constraints(InputStream *ist, OutputStream *ost) |
|
{ |
|
OutputFile *of = output_files[ost->file_index]; |
|
int ist_index = input_files[ist->file_index]->ist_index + ist->st->index; |
|
|
|
if (ost->source_index != ist_index) |
|
return 0; |
|
|
|
if (of->start_time && ist->pts < of->start_time) |
|
return 0; |
|
|
|
return 1; |
|
} |
|
|
|
static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt) |
|
{ |
|
OutputFile *of = output_files[ost->file_index]; |
|
int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base); |
|
AVPicture pict; |
|
AVPacket opkt; |
|
|
|
av_init_packet(&opkt); |
|
|
|
if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && |
|
!ost->copy_initial_nonkeyframes) |
|
return; |
|
|
|
if (!ost->frame_number && ist->pts < of->start_time && |
|
!ost->copy_prior_start) |
|
return; |
|
|
|
if (of->recording_time != INT64_MAX && |
|
ist->pts >= of->recording_time + of->start_time) { |
|
close_output_stream(ost); |
|
return; |
|
} |
|
|
|
/* force the input stream PTS */ |
|
if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) |
|
audio_size += pkt->size; |
|
else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
video_size += pkt->size; |
|
ost->sync_opts++; |
|
} else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { |
|
subtitle_size += pkt->size; |
|
} |
|
|
|
if (pkt->pts != AV_NOPTS_VALUE) |
|
opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time; |
|
else |
|
opkt.pts = AV_NOPTS_VALUE; |
|
|
|
if (pkt->dts == AV_NOPTS_VALUE) |
|
opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base); |
|
else |
|
opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base); |
|
opkt.dts -= ost_tb_start_time; |
|
|
|
if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) { |
|
int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size); |
|
if(!duration) |
|
duration = ist->st->codec->frame_size; |
|
opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts, |
|
(AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last, |
|
ost->st->time_base) - ost_tb_start_time; |
|
} |
|
|
|
opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base); |
|
opkt.flags = pkt->flags; |
|
|
|
// FIXME remove the following 2 lines they shall be replaced by the bitstream filters |
|
if ( ost->st->codec->codec_id != AV_CODEC_ID_H264 |
|
&& ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO |
|
&& ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO |
|
&& ost->st->codec->codec_id != AV_CODEC_ID_VC1 |
|
) { |
|
if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY)) { |
|
opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0); |
|
if (!opkt.buf) |
|
exit(1); |
|
} |
|
} else { |
|
opkt.data = pkt->data; |
|
opkt.size = pkt->size; |
|
} |
|
|
|
if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) { |
|
/* store AVPicture in AVPacket, as expected by the output format */ |
|
avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height); |
|
opkt.data = (uint8_t *)&pict; |
|
opkt.size = sizeof(AVPicture); |
|
opkt.flags |= AV_PKT_FLAG_KEY; |
|
} |
|
|
|
write_frame(of->ctx, &opkt, ost); |
|
ost->st->codec->frame_number++; |
|
} |
|
|
|
static void rate_emu_sleep(InputStream *ist) |
|
{ |
|
if (input_files[ist->file_index]->rate_emu) { |
|
int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE); |
|
int64_t now = av_gettime() - ist->start; |
|
if (pts > now) |
|
av_usleep(pts - now); |
|
} |
|
} |
|
|
|
int guess_input_channel_layout(InputStream *ist) |
|
{ |
|
AVCodecContext *dec = ist->st->codec; |
|
|
|
if (!dec->channel_layout) { |
|
char layout_name[256]; |
|
|
|
if (dec->channels > ist->guess_layout_max) |
|
return 0; |
|
dec->channel_layout = av_get_default_channel_layout(dec->channels); |
|
if (!dec->channel_layout) |
|
return 0; |
|
av_get_channel_layout_string(layout_name, sizeof(layout_name), |
|
dec->channels, dec->channel_layout); |
|
av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream " |
|
"#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name); |
|
} |
|
return 1; |
|
} |
|
|
|
static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output) |
|
{ |
|
AVFrame *decoded_frame, *f; |
|
AVCodecContext *avctx = ist->st->codec; |
|
int i, ret, err = 0, resample_changed; |
|
AVRational decoded_frame_tb; |
|
|
|
if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame())) |
|
return AVERROR(ENOMEM); |
|
if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc())) |
|
return AVERROR(ENOMEM); |
|
decoded_frame = ist->decoded_frame; |
|
|
|
update_benchmark(NULL); |
|
ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt); |
|
update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index); |
|
|
|
if (ret >= 0 && avctx->sample_rate <= 0) { |
|
av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate); |
|
ret = AVERROR_INVALIDDATA; |
|
} |
|
|
|
if (*got_output || ret<0 || pkt->size) |
|
decode_error_stat[ret<0] ++; |
|
|
|
if (!*got_output || ret < 0) { |
|
if (!pkt->size) { |
|
for (i = 0; i < ist->nb_filters; i++) |
|
#if 1 |
|
av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0); |
|
#else |
|
av_buffersrc_add_frame(ist->filters[i]->filter, NULL); |
|
#endif |
|
} |
|
return ret; |
|
} |
|
|
|
#if 1 |
|
/* increment next_dts to use for the case where the input stream does not |
|
have timestamps or there are multiple frames in the packet */ |
|
ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) / |
|
avctx->sample_rate; |
|
ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) / |
|
avctx->sample_rate; |
|
#endif |
|
|
|
rate_emu_sleep(ist); |
|
|
|
resample_changed = ist->resample_sample_fmt != decoded_frame->format || |
|
ist->resample_channels != avctx->channels || |
|
ist->resample_channel_layout != decoded_frame->channel_layout || |
|
ist->resample_sample_rate != decoded_frame->sample_rate; |
|
if (resample_changed) { |
|
char layout1[64], layout2[64]; |
|
|
|
if (!guess_input_channel_layout(ist)) { |
|
av_log(NULL, AV_LOG_FATAL, "Unable to find default channel " |
|
"layout for Input Stream #%d.%d\n", ist->file_index, |
|
ist->st->index); |
|
exit(1); |
|
} |
|
decoded_frame->channel_layout = avctx->channel_layout; |
|
|
|
av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels, |
|
ist->resample_channel_layout); |
|
av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels, |
|
decoded_frame->channel_layout); |
|
|
|
av_log(NULL, AV_LOG_INFO, |
|
"Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n", |
|
ist->file_index, ist->st->index, |
|
ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt), |
|
ist->resample_channels, layout1, |
|
decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format), |
|
avctx->channels, layout2); |
|
|
|
ist->resample_sample_fmt = decoded_frame->format; |
|
ist->resample_sample_rate = decoded_frame->sample_rate; |
|
ist->resample_channel_layout = decoded_frame->channel_layout; |
|
ist->resample_channels = avctx->channels; |
|
|
|
for (i = 0; i < nb_filtergraphs; i++) |
|
if (ist_in_filtergraph(filtergraphs[i], ist)) { |
|
FilterGraph *fg = filtergraphs[i]; |
|
int j; |
|
if (configure_filtergraph(fg) < 0) { |
|
av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); |
|
exit(1); |
|
} |
|
for (j = 0; j < fg->nb_outputs; j++) { |
|
OutputStream *ost = fg->outputs[j]->ost; |
|
if (ost->enc->type == AVMEDIA_TYPE_AUDIO && |
|
!(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) |
|
av_buffersink_set_frame_size(ost->filter->filter, |
|
ost->st->codec->frame_size); |
|
} |
|
} |
|
} |
|
|
|
/* if the decoder provides a pts, use it instead of the last packet pts. |
|
the decoder could be delaying output by a packet or more. */ |
|
if (decoded_frame->pts != AV_NOPTS_VALUE) { |
|
ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q); |
|
decoded_frame_tb = avctx->time_base; |
|
} else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) { |
|
decoded_frame->pts = decoded_frame->pkt_pts; |
|
pkt->pts = AV_NOPTS_VALUE; |
|
decoded_frame_tb = ist->st->time_base; |
|
} else if (pkt->pts != AV_NOPTS_VALUE) { |
|
decoded_frame->pts = pkt->pts; |
|
pkt->pts = AV_NOPTS_VALUE; |
|
decoded_frame_tb = ist->st->time_base; |
|
}else { |
|
decoded_frame->pts = ist->dts; |
|
decoded_frame_tb = AV_TIME_BASE_Q; |
|
} |
|
if (decoded_frame->pts != AV_NOPTS_VALUE) |
|
decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts, |
|
(AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last, |
|
(AVRational){1, ist->st->codec->sample_rate}); |
|
for (i = 0; i < ist->nb_filters; i++) { |
|
if (i < ist->nb_filters - 1) { |
|
f = ist->filter_frame; |
|
err = av_frame_ref(f, decoded_frame); |
|
if (err < 0) |
|
break; |
|
} else |
|
f = decoded_frame; |
|
err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, |
|
AV_BUFFERSRC_FLAG_PUSH); |
|
if (err < 0) |
|
break; |
|
} |
|
decoded_frame->pts = AV_NOPTS_VALUE; |
|
|
|
av_frame_unref(ist->filter_frame); |
|
av_frame_unref(decoded_frame); |
|
return err < 0 ? err : ret; |
|
} |
|
|
|
static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output) |
|
{ |
|
AVFrame *decoded_frame, *f; |
|
void *buffer_to_free = NULL; |
|
int i, ret = 0, err = 0, resample_changed; |
|
int64_t best_effort_timestamp; |
|
AVRational *frame_sample_aspect; |
|
|
|
if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc())) |
|
return AVERROR(ENOMEM); |
|
if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc())) |
|
return AVERROR(ENOMEM); |
|
decoded_frame = ist->decoded_frame; |
|
pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base); |
|
|
|
update_benchmark(NULL); |
|
ret = avcodec_decode_video2(ist->st->codec, |
|
decoded_frame, got_output, pkt); |
|
update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index); |
|
|
|
if (*got_output || ret<0 || pkt->size) |
|
decode_error_stat[ret<0] ++; |
|
|
|
if (!*got_output || ret < 0) { |
|
if (!pkt->size) { |
|
for (i = 0; i < ist->nb_filters; i++) |
|
#if 1 |
|
av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0); |
|
#else |
|
av_buffersrc_add_frame(ist->filters[i]->filter, NULL); |
|
#endif |
|
} |
|
return ret; |
|
} |
|
|
|
if(ist->top_field_first>=0) |
|
decoded_frame->top_field_first = ist->top_field_first; |
|
|
|
best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame); |
|
if(best_effort_timestamp != AV_NOPTS_VALUE) |
|
ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q); |
|
|
|
if (debug_ts) { |
|
av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video " |
|
"frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n", |
|
ist->st->index, av_ts2str(decoded_frame->pts), |
|
av_ts2timestr(decoded_frame->pts, &ist->st->time_base), |
|
best_effort_timestamp, |
|
av_ts2timestr(best_effort_timestamp, &ist->st->time_base), |
|
decoded_frame->key_frame, decoded_frame->pict_type); |
|
} |
|
|
|
pkt->size = 0; |
|
|
|
rate_emu_sleep(ist); |
|
|
|
if (ist->st->sample_aspect_ratio.num) |
|
decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio; |
|
|
|
resample_changed = ist->resample_width != decoded_frame->width || |
|
ist->resample_height != decoded_frame->height || |
|
ist->resample_pix_fmt != decoded_frame->format; |
|
if (resample_changed) { |
|
av_log(NULL, AV_LOG_INFO, |
|
"Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n", |
|
ist->file_index, ist->st->index, |
|
ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt), |
|
decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format)); |
|
|
|
ist->resample_width = decoded_frame->width; |
|
ist->resample_height = decoded_frame->height; |
|
ist->resample_pix_fmt = decoded_frame->format; |
|
|
|
for (i = 0; i < nb_filtergraphs; i++) { |
|
if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters && |
|
configure_filtergraph(filtergraphs[i]) < 0) { |
|
av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); |
|
exit(1); |
|
} |
|
} |
|
} |
|
|
|
frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio"); |
|
for (i = 0; i < ist->nb_filters; i++) { |
|
if (!frame_sample_aspect->num) |
|
*frame_sample_aspect = ist->st->sample_aspect_ratio; |
|
|
|
if (i < ist->nb_filters - 1) { |
|
f = ist->filter_frame; |
|
err = av_frame_ref(f, decoded_frame); |
|
if (err < 0) |
|
break; |
|
} else |
|
f = decoded_frame; |
|
ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH); |
|
if (ret < 0) { |
|
av_log(NULL, AV_LOG_FATAL, |
|
"Failed to inject frame into filter network: %s\n", av_err2str(ret)); |
|
exit(1); |
|
} |
|
} |
|
|
|
av_frame_unref(ist->filter_frame); |
|
av_frame_unref(decoded_frame); |
|
av_free(buffer_to_free); |
|
return err < 0 ? err : ret; |
|
} |
|
|
|
static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output) |
|
{ |
|
AVSubtitle subtitle; |
|
int i, ret = avcodec_decode_subtitle2(ist->st->codec, |
|
&subtitle, got_output, pkt); |
|
|
|
if (*got_output || ret<0 || pkt->size) |
|
decode_error_stat[ret<0] ++; |
|
|
|
if (ret < 0 || !*got_output) { |
|
if (!pkt->size) |
|
sub2video_flush(ist); |
|
return ret; |
|
} |
|
|
|
if (ist->fix_sub_duration) { |
|
if (ist->prev_sub.got_output) { |
|
int end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts, |
|
1000, AV_TIME_BASE); |
|
if (end < ist->prev_sub.subtitle.end_display_time) { |
|
av_log(ist->st->codec, AV_LOG_DEBUG, |
|
"Subtitle duration reduced from %d to %d\n", |
|
ist->prev_sub.subtitle.end_display_time, end); |
|
ist->prev_sub.subtitle.end_display_time = end; |
|
} |
|
} |
|
FFSWAP(int, *got_output, ist->prev_sub.got_output); |
|
FFSWAP(int, ret, ist->prev_sub.ret); |
|
FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle); |
|
} |
|
|
|
sub2video_update(ist, &subtitle); |
|
|
|
if (!*got_output || !subtitle.num_rects) |
|
return ret; |
|
|
|
rate_emu_sleep(ist); |
|
|
|
for (i = 0; i < nb_output_streams; i++) { |
|
OutputStream *ost = output_streams[i]; |
|
|
|
if (!check_output_constraints(ist, ost) || !ost->encoding_needed) |
|
continue; |
|
|
|
do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle); |
|
} |
|
|
|
avsubtitle_free(&subtitle); |
|
return ret; |
|
} |
|
|
|
/* pkt = NULL means EOF (needed to flush decoder buffers) */ |
|
static int output_packet(InputStream *ist, const AVPacket *pkt) |
|
{ |
|
int ret = 0, i; |
|
int got_output = 0; |
|
|
|
AVPacket avpkt; |
|
if (!ist->saw_first_ts) { |
|
ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0; |
|
ist->pts = 0; |
|
if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) { |
|
ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q); |
|
ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong |
|
} |
|
ist->saw_first_ts = 1; |
|
} |
|
|
|
if (ist->next_dts == AV_NOPTS_VALUE) |
|
ist->next_dts = ist->dts; |
|
if (ist->next_pts == AV_NOPTS_VALUE) |
|
ist->next_pts = ist->pts; |
|
|
|
if (pkt == NULL) { |
|
/* EOF handling */ |
|
av_init_packet(&avpkt); |
|
avpkt.data = NULL; |
|
avpkt.size = 0; |
|
goto handle_eof; |
|
} else { |
|
avpkt = *pkt; |
|
} |
|
|
|
if (pkt->dts != AV_NOPTS_VALUE) { |
|
ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q); |
|
if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed) |
|
ist->next_pts = ist->pts = ist->dts; |
|
} |
|
|
|
// while we have more to decode or while the decoder did output something on EOF |
|
while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) { |
|
int duration; |
|
handle_eof: |
|
|
|
ist->pts = ist->next_pts; |
|
ist->dts = ist->next_dts; |
|
|
|
if (avpkt.size && avpkt.size != pkt->size) { |
|
av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING, |
|
"Multiple frames in a packet from stream %d\n", pkt->stream_index); |
|
ist->showed_multi_packet_warning = 1; |
|
} |
|
|
|
switch (ist->st->codec->codec_type) { |
|
case AVMEDIA_TYPE_AUDIO: |
|
ret = decode_audio (ist, &avpkt, &got_output); |
|
break; |
|
case AVMEDIA_TYPE_VIDEO: |
|
ret = decode_video (ist, &avpkt, &got_output); |
|
if (avpkt.duration) { |
|
duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q); |
|
} else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) { |
|
int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame; |
|
duration = ((int64_t)AV_TIME_BASE * |
|
ist->st->codec->time_base.num * ticks) / |
|
ist->st->codec->time_base.den; |
|
} else |
|
duration = 0; |
|
|
|
if(ist->dts != AV_NOPTS_VALUE && duration) { |
|
ist->next_dts += duration; |
|
}else |
|
ist->next_dts = AV_NOPTS_VALUE; |
|
|
|
if (got_output) |
|
ist->next_pts += duration; //FIXME the duration is not correct in some cases |
|
break; |
|
case AVMEDIA_TYPE_SUBTITLE: |
|
ret = transcode_subtitles(ist, &avpkt, &got_output); |
|
break; |
|
default: |
|
return -1; |
|
} |
|
|
|
if (ret < 0) |
|
return ret; |
|
|
|
avpkt.dts= |
|
avpkt.pts= AV_NOPTS_VALUE; |
|
|
|
// touch data and size only if not EOF |
|
if (pkt) { |
|
if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO) |
|
ret = avpkt.size; |
|
avpkt.data += ret; |
|
avpkt.size -= ret; |
|
} |
|
if (!got_output) { |
|
continue; |
|
} |
|
} |
|
|
|
/* handle stream copy */ |
|
if (!ist->decoding_needed) { |
|
rate_emu_sleep(ist); |
|
ist->dts = ist->next_dts; |
|
switch (ist->st->codec->codec_type) { |
|
case AVMEDIA_TYPE_AUDIO: |
|
ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) / |
|
ist->st->codec->sample_rate; |
|
break; |
|
case AVMEDIA_TYPE_VIDEO: |
|
if (ist->framerate.num) { |
|
// TODO: Remove work-around for c99-to-c89 issue 7 |
|
AVRational time_base_q = AV_TIME_BASE_Q; |
|
int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate)); |
|
ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q); |
|
} else if (pkt->duration) { |
|
ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q); |
|
} else if(ist->st->codec->time_base.num != 0) { |
|
int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame; |
|
ist->next_dts += ((int64_t)AV_TIME_BASE * |
|
ist->st->codec->time_base.num * ticks) / |
|
ist->st->codec->time_base.den; |
|
} |
|
break; |
|
} |
|
ist->pts = ist->dts; |
|
ist->next_pts = ist->next_dts; |
|
} |
|
for (i = 0; pkt && i < nb_output_streams; i++) { |
|
OutputStream *ost = output_streams[i]; |
|
|
|
if (!check_output_constraints(ist, ost) || ost->encoding_needed) |
|
continue; |
|
|
|
do_streamcopy(ist, ost, pkt); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void print_sdp(void) |
|
{ |
|
char sdp[16384]; |
|
int i; |
|
AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files); |
|
|
|
if (!avc) |
|
exit(1); |
|
for (i = 0; i < nb_output_files; i++) |
|
avc[i] = output_files[i]->ctx; |
|
|
|
av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp)); |
|
printf("SDP:\n%s\n", sdp); |
|
fflush(stdout); |
|
av_freep(&avc); |
|
} |
|
|
|
static int init_input_stream(int ist_index, char *error, int error_len) |
|
{ |
|
int ret; |
|
InputStream *ist = input_streams[ist_index]; |
|
|
|
if (ist->decoding_needed) { |
|
AVCodec *codec = ist->dec; |
|
if (!codec) { |
|
snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d", |
|
avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index); |
|
return AVERROR(EINVAL); |
|
} |
|
|
|
av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0); |
|
|
|
if (!av_dict_get(ist->opts, "threads", NULL, 0)) |
|
av_dict_set(&ist->opts, "threads", "auto", 0); |
|
if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) { |
|
if (ret == AVERROR_EXPERIMENTAL) |
|
abort_codec_experimental(codec, 0); |
|
snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d", |
|
ist->file_index, ist->st->index); |
|
return ret; |
|
} |
|
assert_avoptions(ist->opts); |
|
} |
|
|
|
ist->next_pts = AV_NOPTS_VALUE; |
|
ist->next_dts = AV_NOPTS_VALUE; |
|
ist->is_start = 1; |
|
|
|
return 0; |
|
} |
|
|
|
static InputStream *get_input_stream(OutputStream *ost) |
|
{ |
|
if (ost->source_index >= 0) |
|
return input_streams[ost->source_index]; |
|
return NULL; |
|
} |
|
|
|
static int compare_int64(const void *a, const void *b) |
|
{ |
|
int64_t va = *(int64_t *)a, vb = *(int64_t *)b; |
|
return va < vb ? -1 : va > vb ? +1 : 0; |
|
} |
|
|
|
static void parse_forced_key_frames(char *kf, OutputStream *ost, |
|
AVCodecContext *avctx) |
|
{ |
|
char *p; |
|
int n = 1, i, size, index = 0; |
|
int64_t t, *pts; |
|
|
|
for (p = kf; *p; p++) |
|
if (*p == ',') |
|
n++; |
|
size = n; |
|
pts = av_malloc(sizeof(*pts) * size); |
|
if (!pts) { |
|
av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n"); |
|
exit(1); |
|
} |
|
|
|
p = kf; |
|
for (i = 0; i < n; i++) { |
|
char *next = strchr(p, ','); |
|
|
|
if (next) |
|
*next++ = 0; |
|
|
|
if (!memcmp(p, "chapters", 8)) { |
|
|
|
AVFormatContext *avf = output_files[ost->file_index]->ctx; |
|
int j; |
|
|
|
if (avf->nb_chapters > INT_MAX - size || |
|
!(pts = av_realloc_f(pts, size += avf->nb_chapters - 1, |
|
sizeof(*pts)))) { |
|
av_log(NULL, AV_LOG_FATAL, |
|
"Could not allocate forced key frames array.\n"); |
|
exit(1); |
|
} |
|
t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0; |
|
t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); |
|
|
|
for (j = 0; j < avf->nb_chapters; j++) { |
|
AVChapter *c = avf->chapters[j]; |
|
av_assert1(index < size); |
|
pts[index++] = av_rescale_q(c->start, c->time_base, |
|
avctx->time_base) + t; |
|
} |
|
|
|
} else { |
|
|
|
t = parse_time_or_die("force_key_frames", p, 1); |
|
av_assert1(index < size); |
|
pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); |
|
|
|
} |
|
|
|
p = next; |
|
} |
|
|
|
av_assert0(index == size); |
|
qsort(pts, size, sizeof(*pts), compare_int64); |
|
ost->forced_kf_count = size; |
|
ost->forced_kf_pts = pts; |
|
} |
|
|
|
static void report_new_stream(int input_index, AVPacket *pkt) |
|
{ |
|
InputFile *file = input_files[input_index]; |
|
AVStream *st = file->ctx->streams[pkt->stream_index]; |
|
|
|
if (pkt->stream_index < file->nb_streams_warn) |
|
return; |
|
av_log(file->ctx, AV_LOG_WARNING, |
|
"New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n", |
|
av_get_media_type_string(st->codec->codec_type), |
|
input_index, pkt->stream_index, |
|
pkt->pos, av_ts2timestr(pkt->dts, &st->time_base)); |
|
file->nb_streams_warn = pkt->stream_index + 1; |
|
} |
|
|
|
static int transcode_init(void) |
|
{ |
|
int ret = 0, i, j, k; |
|
AVFormatContext *oc; |
|
AVCodecContext *codec; |
|
OutputStream *ost; |
|
InputStream *ist; |
|
char error[1024]; |
|
int want_sdp = 1; |
|
|
|
/* init framerate emulation */ |
|
for (i = 0; i < nb_input_files; i++) { |
|
InputFile *ifile = input_files[i]; |
|
if (ifile->rate_emu) |
|
for (j = 0; j < ifile->nb_streams; j++) |
|
input_streams[j + ifile->ist_index]->start = av_gettime(); |
|
} |
|
|
|
/* output stream init */ |
|
for (i = 0; i < nb_output_files; i++) { |
|
oc = output_files[i]->ctx; |
|
if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) { |
|
av_dump_format(oc, i, oc->filename, 1); |
|
av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i); |
|
return AVERROR(EINVAL); |
|
} |
|
} |
|
|
|
/* init complex filtergraphs */ |
|
for (i = 0; i < nb_filtergraphs; i++) |
|
if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0) |
|
return ret; |
|
|
|
/* for each output stream, we compute the right encoding parameters */ |
|
for (i = 0; i < nb_output_streams; i++) { |
|
AVCodecContext *icodec = NULL; |
|
ost = output_streams[i]; |
|
oc = output_files[ost->file_index]->ctx; |
|
ist = get_input_stream(ost); |
|
|
|
if (ost->attachment_filename) |
|
continue; |
|
|
|
codec = ost->st->codec; |
|
|
|
if (ist) { |
|
icodec = ist->st->codec; |
|
|
|
ost->st->disposition = ist->st->disposition; |
|
codec->bits_per_raw_sample = icodec->bits_per_raw_sample; |
|
codec->chroma_sample_location = icodec->chroma_sample_location; |
|
} |
|
|
|
if (ost->stream_copy) { |
|
uint64_t extra_size; |
|
|
|
av_assert0(ist && !ost->filter); |
|
|
|
extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; |
|
|
|
if (extra_size > INT_MAX) { |
|
return AVERROR(EINVAL); |
|
} |
|
|
|
/* if stream_copy is selected, no need to decode or encode */ |
|
codec->codec_id = icodec->codec_id; |
|
codec->codec_type = icodec->codec_type; |
|
|
|
if (!codec->codec_tag) { |
|
unsigned int codec_tag; |
|
if (!oc->oformat->codec_tag || |
|
av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id || |
|
!av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag)) |
|
codec->codec_tag = icodec->codec_tag; |
|
} |
|
|
|
codec->bit_rate = icodec->bit_rate; |
|
codec->rc_max_rate = icodec->rc_max_rate; |
|
codec->rc_buffer_size = icodec->rc_buffer_size; |
|
codec->field_order = icodec->field_order; |
|
codec->extradata = av_mallocz(extra_size); |
|
if (!codec->extradata) { |
|
return AVERROR(ENOMEM); |
|
} |
|
memcpy(codec->extradata, icodec->extradata, icodec->extradata_size); |
|
codec->extradata_size= icodec->extradata_size; |
|
codec->bits_per_coded_sample = icodec->bits_per_coded_sample; |
|
|
|
codec->time_base = ist->st->time_base; |
|
/* |
|
* Avi is a special case here because it supports variable fps but |
|
* having the fps and timebase differe significantly adds quite some |
|
* overhead |
|
*/ |
|
if(!strcmp(oc->oformat->name, "avi")) { |
|
if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate) |
|
&& 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base) |
|
&& 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base) |
|
&& av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500 |
|
|| copy_tb==2){ |
|
codec->time_base.num = ist->st->r_frame_rate.den; |
|
codec->time_base.den = 2*ist->st->r_frame_rate.num; |
|
codec->ticks_per_frame = 2; |
|
} else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) |
|
&& av_q2d(ist->st->time_base) < 1.0/500 |
|
|| copy_tb==0){ |
|
codec->time_base = icodec->time_base; |
|
codec->time_base.num *= icodec->ticks_per_frame; |
|
codec->time_base.den *= 2; |
|
codec->ticks_per_frame = 2; |
|
} |
|
} else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS) |
|
&& strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp") |
|
&& strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod") |
|
&& strcmp(oc->oformat->name, "f4v") |
|
) { |
|
if( copy_tb<0 && icodec->time_base.den |
|
&& av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) |
|
&& av_q2d(ist->st->time_base) < 1.0/500 |
|
|| copy_tb==0){ |
|
codec->time_base = icodec->time_base; |
|
codec->time_base.num *= icodec->ticks_per_frame; |
|
} |
|
} |
|
if ( codec->codec_tag == AV_RL32("tmcd") |
|
&& icodec->time_base.num < icodec->time_base.den |
|
&& icodec->time_base.num > 0 |
|
&& 121LL*icodec->time_base.num > icodec->time_base.den) { |
|
codec->time_base = icodec->time_base; |
|
} |
|
|
|
if (ist && !ost->frame_rate.num) |
|
ost->frame_rate = ist->framerate; |
|
if(ost->frame_rate.num) |
|
codec->time_base = av_inv_q(ost->frame_rate); |
|
|
|
av_reduce(&codec->time_base.num, &codec->time_base.den, |
|
codec->time_base.num, codec->time_base.den, INT_MAX); |
|
|
|
switch (codec->codec_type) { |
|
case AVMEDIA_TYPE_AUDIO: |
|
if (audio_volume != 256) { |
|
av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n"); |
|
exit(1); |
|
} |
|
codec->channel_layout = icodec->channel_layout; |
|
codec->sample_rate = icodec->sample_rate; |
|
codec->channels = icodec->channels; |
|
codec->frame_size = icodec->frame_size; |
|
codec->audio_service_type = icodec->audio_service_type; |
|
codec->block_align = icodec->block_align; |
|
if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3) |
|
codec->block_align= 0; |
|
if(codec->codec_id == AV_CODEC_ID_AC3) |
|
codec->block_align= 0; |
|
break; |
|
case AVMEDIA_TYPE_VIDEO: |
|
codec->pix_fmt = icodec->pix_fmt; |
|
codec->width = icodec->width; |
|
codec->height = icodec->height; |
|
codec->has_b_frames = icodec->has_b_frames; |
|
if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option |
|
codec->sample_aspect_ratio = |
|
ost->st->sample_aspect_ratio = |
|
av_mul_q(ost->frame_aspect_ratio, |
|
(AVRational){ codec->height, codec->width }); |
|
av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio " |
|
"with stream copy may produce invalid files\n"); |
|
} else if (!codec->sample_aspect_ratio.num) { |
|
codec->sample_aspect_ratio = |
|
ost->st->sample_aspect_ratio = |
|
ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio : |
|
ist->st->codec->sample_aspect_ratio.num ? |
|
ist->st->codec->sample_aspect_ratio : (AVRational){0, 1}; |
|
} |
|
ost->st->avg_frame_rate = ist->st->avg_frame_rate; |
|
break; |
|
case AVMEDIA_TYPE_SUBTITLE: |
|
codec->width = icodec->width; |
|
codec->height = icodec->height; |
|
break; |
|
case AVMEDIA_TYPE_DATA: |
|
case AVMEDIA_TYPE_ATTACHMENT: |
|
break; |
|
default: |
|
abort(); |
|
} |
|
} else { |
|
if (!ost->enc) |
|
ost->enc = avcodec_find_encoder(codec->codec_id); |
|
if (!ost->enc) { |
|
/* should only happen when a default codec is not present. */ |
|
snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d", |
|
avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index); |
|
ret = AVERROR(EINVAL); |
|
goto dump_format; |
|
} |
|
|
|
if (ist) |
|
ist->decoding_needed++; |
|
ost->encoding_needed = 1; |
|
|
|
if (!ost->filter && |
|
(codec->codec_type == AVMEDIA_TYPE_VIDEO || |
|
codec->codec_type == AVMEDIA_TYPE_AUDIO)) { |
|
FilterGraph *fg; |
|
fg = init_simple_filtergraph(ist, ost); |
|
if (configure_filtergraph(fg)) { |
|
av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n"); |
|
exit(1); |
|
} |
|
} |
|
|
|
if (codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
if (ost->filter && !ost->frame_rate.num) |
|
ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter); |
|
if (ist && !ost->frame_rate.num) |
|
ost->frame_rate = ist->framerate; |
|
if (ist && !ost->frame_rate.num) |
|
ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1}; |
|
// ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1}; |
|
if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) { |
|
int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates); |
|
ost->frame_rate = ost->enc->supported_framerates[idx]; |
|
} |
|
} |
|
|
|
switch (codec->codec_type) { |
|
case AVMEDIA_TYPE_AUDIO: |
|
codec->sample_fmt = ost->filter->filter->inputs[0]->format; |
|
codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate; |
|
codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout; |
|
codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]); |
|
codec->time_base = (AVRational){ 1, codec->sample_rate }; |
|
break; |
|
case AVMEDIA_TYPE_VIDEO: |
|
codec->time_base = av_inv_q(ost->frame_rate); |
|
if (ost->filter && !(codec->time_base.num && codec->time_base.den)) |
|
codec->time_base = ost->filter->filter->inputs[0]->time_base; |
|
if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH |
|
&& (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){ |
|
av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n" |
|
"Please consider specifying a lower framerate, a different muxer or -vsync 2\n"); |
|
} |
|
for (j = 0; j < ost->forced_kf_count; j++) |
|
ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j], |
|
AV_TIME_BASE_Q, |
|
codec->time_base); |
|
|
|
codec->width = ost->filter->filter->inputs[0]->w; |
|
codec->height = ost->filter->filter->inputs[0]->h; |
|
codec->sample_aspect_ratio = ost->st->sample_aspect_ratio = |
|
ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option |
|
av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) : |
|
ost->filter->filter->inputs[0]->sample_aspect_ratio; |
|
if (!strncmp(ost->enc->name, "libx264", 7) && |
|
codec->pix_fmt == AV_PIX_FMT_NONE && |
|
ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P) |
|
av_log(NULL, AV_LOG_INFO, |
|
"No pixel format specified, %s for H.264 encoding chosen.\n" |
|
"Use -pix_fmt yuv420p for compatibility with outdated media players.\n", |
|
av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format)); |
|
codec->pix_fmt = ost->filter->filter->inputs[0]->format; |
|
|
|
if (!icodec || |
|
codec->width != icodec->width || |
|
codec->height != icodec->height || |
|
codec->pix_fmt != icodec->pix_fmt) { |
|
codec->bits_per_raw_sample = frame_bits_per_raw_sample; |
|
} |
|
|
|
if (ost->forced_keyframes) { |
|
if (!strncmp(ost->forced_keyframes, "expr:", 5)) { |
|
ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5, |
|
forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL); |
|
if (ret < 0) { |
|
av_log(NULL, AV_LOG_ERROR, |
|
"Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5); |
|
return ret; |
|
} |
|
ost->forced_keyframes_expr_const_values[FKF_N] = 0; |
|
ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0; |
|
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN; |
|
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN; |
|
} else { |
|
parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec); |
|
} |
|
} |
|
break; |
|
case AVMEDIA_TYPE_SUBTITLE: |
|
codec->time_base = (AVRational){1, 1000}; |
|
if (!codec->width) { |
|
codec->width = input_streams[ost->source_index]->st->codec->width; |
|
codec->height = input_streams[ost->source_index]->st->codec->height; |
|
} |
|
break; |
|
default: |
|
abort(); |
|
break; |
|
} |
|
/* two pass mode */ |
|
if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) { |
|
char logfilename[1024]; |
|
FILE *f; |
|
|
|
snprintf(logfilename, sizeof(logfilename), "%s-%d.log", |
|
ost->logfile_prefix ? ost->logfile_prefix : |
|
DEFAULT_PASS_LOGFILENAME_PREFIX, |
|
i); |
|
if (!strcmp(ost->enc->name, "libx264")) { |
|
av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE); |
|
} else { |
|
if (codec->flags & CODEC_FLAG_PASS2) { |
|
char *logbuffer; |
|
size_t logbuffer_size; |
|
if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) { |
|
av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n", |
|
logfilename); |
|
exit(1); |
|
} |
|
codec->stats_in = logbuffer; |
|
} |
|
if (codec->flags & CODEC_FLAG_PASS1) { |
|
f = fopen(logfilename, "wb"); |
|
if (!f) { |
|
av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n", |
|
logfilename, strerror(errno)); |
|
exit(1); |
|
} |
|
ost->logfile = f; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
|
/* open each encoder */ |
|
for (i = 0; i < nb_output_streams; i++) { |
|
ost = output_streams[i]; |
|
if (ost->encoding_needed) { |
|
AVCodec *codec = ost->enc; |
|
AVCodecContext *dec = NULL; |
|
|
|
if ((ist = get_input_stream(ost))) |
|
dec = ist->st->codec; |
|
if (dec && dec->subtitle_header) { |
|
/* ASS code assumes this buffer is null terminated so add extra byte. */ |
|
ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1); |
|
if (!ost->st->codec->subtitle_header) { |
|
ret = AVERROR(ENOMEM); |
|
goto dump_format; |
|
} |
|
memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size); |
|
ost->st->codec->subtitle_header_size = dec->subtitle_header_size; |
|
} |
|
if (!av_dict_get(ost->opts, "threads", NULL, 0)) |
|
av_dict_set(&ost->opts, "threads", "auto", 0); |
|
if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) { |
|
if (ret == AVERROR_EXPERIMENTAL) |
|
abort_codec_experimental(codec, 1); |
|
snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height", |
|
ost->file_index, ost->index); |
|
goto dump_format; |
|
} |
|
if (ost->enc->type == AVMEDIA_TYPE_AUDIO && |
|
!(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) |
|
av_buffersink_set_frame_size(ost->filter->filter, |
|
ost->st->codec->frame_size); |
|
assert_avoptions(ost->opts); |
|
if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000) |
|
av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low." |
|
" It takes bits/s as argument, not kbits/s\n"); |
|
extra_size += ost->st->codec->extradata_size; |
|
|
|
if (ost->st->codec->me_threshold) |
|
input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV; |
|
} else { |
|
av_opt_set_dict(ost->st->codec, &ost->opts); |
|
} |
|
} |
|
|
|
/* init input streams */ |
|
for (i = 0; i < nb_input_streams; i++) |
|
if ((ret = init_input_stream(i, error, sizeof(error))) < 0) { |
|
for (i = 0; i < nb_output_streams; i++) { |
|
ost = output_streams[i]; |
|
avcodec_close(ost->st->codec); |
|
} |
|
goto dump_format; |
|
} |
|
|
|
/* discard unused programs */ |
|
for (i = 0; i < nb_input_files; i++) { |
|
InputFile *ifile = input_files[i]; |
|
for (j = 0; j < ifile->ctx->nb_programs; j++) { |
|
AVProgram *p = ifile->ctx->programs[j]; |
|
int discard = AVDISCARD_ALL; |
|
|
|
for (k = 0; k < p->nb_stream_indexes; k++) |
|
if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) { |
|
discard = AVDISCARD_DEFAULT; |
|
break; |
|
} |
|
p->discard = discard; |
|
} |
|
} |
|
|
|
/* open files and write file headers */ |
|
for (i = 0; i < nb_output_files; i++) { |
|
oc = output_files[i]->ctx; |
|
oc->interrupt_callback = int_cb; |
|
if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) { |
|
char errbuf[128]; |
|
const char *errbuf_ptr = errbuf; |
|
if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0) |
|
errbuf_ptr = strerror(AVUNERROR(ret)); |
|
snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr); |
|
ret = AVERROR(EINVAL); |
|
goto dump_format; |
|
} |
|
// assert_avoptions(output_files[i]->opts); |
|
if (strcmp(oc->oformat->name, "rtp")) { |
|
want_sdp = 0; |
|
} |
|
} |
|
|
|
dump_format: |
|
/* dump the file output parameters - cannot be done before in case |
|
of stream copy */ |
|
for (i = 0; i < nb_output_files; i++) { |
|
av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1); |
|
} |
|
|
|
/* dump the stream mapping */ |
|
av_log(NULL, AV_LOG_INFO, "Stream mapping:\n"); |
|
for (i = 0; i < nb_input_streams; i++) { |
|
ist = input_streams[i]; |
|
|
|
for (j = 0; j < ist->nb_filters; j++) { |
|
if (ist->filters[j]->graph->graph_desc) { |
|
av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s", |
|
ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?", |
|
ist->filters[j]->name); |
|
if (nb_filtergraphs > 1) |
|
av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index); |
|
av_log(NULL, AV_LOG_INFO, "\n"); |
|
} |
|
} |
|
} |
|
|
|
for (i = 0; i < nb_output_streams; i++) { |
|
ost = output_streams[i]; |
|
|
|
if (ost->attachment_filename) { |
|
/* an attached file */ |
|
av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n", |
|
ost->attachment_filename, ost->file_index, ost->index); |
|
continue; |
|
} |
|
|
|
if (ost->filter && ost->filter->graph->graph_desc) { |
|
/* output from a complex graph */ |
|
av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name); |
|
if (nb_filtergraphs > 1) |
|
av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index); |
|
|
|
av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index, |
|
ost->index, ost->enc ? ost->enc->name : "?"); |
|
continue; |
|
} |
|
|
|
av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d", |
|
input_streams[ost->source_index]->file_index, |
|
input_streams[ost->source_index]->st->index, |
|
ost->file_index, |
|
ost->index); |
|
if (ost->sync_ist != input_streams[ost->source_index]) |
|
av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]", |
|
ost->sync_ist->file_index, |
|
ost->sync_ist->st->index); |
|
if (ost->stream_copy) |
|
av_log(NULL, AV_LOG_INFO, " (copy)"); |
|
else |
|
av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ? |
|
input_streams[ost->source_index]->dec->name : "?", |
|
ost->enc ? ost->enc->name : "?"); |
|
av_log(NULL, AV_LOG_INFO, "\n"); |
|
} |
|
|
|
if (ret) { |
|
av_log(NULL, AV_LOG_ERROR, "%s\n", error); |
|
return ret; |
|
} |
|
|
|
if (want_sdp) { |
|
print_sdp(); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */ |
|
static int need_output(void) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < nb_output_streams; i++) { |
|
OutputStream *ost = output_streams[i]; |
|
OutputFile *of = output_files[ost->file_index]; |
|
AVFormatContext *os = output_files[ost->file_index]->ctx; |
|
|
|
if (ost->finished || |
|
(os->pb && avio_tell(os->pb) >= of->limit_filesize)) |
|
continue; |
|
if (ost->frame_number >= ost->max_frames) { |
|
int j; |
|
for (j = 0; j < of->ctx->nb_streams; j++) |
|
close_output_stream(output_streams[of->ost_index + j]); |
|
continue; |
|
} |
|
|
|
return 1; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/** |
|
* Select the output stream to process. |
|
* |
|
* @return selected output stream, or NULL if none available |
|
*/ |
|
static OutputStream *choose_output(void) |
|
{ |
|
int i; |
|
int64_t opts_min = INT64_MAX; |
|
OutputStream *ost_min = NULL; |
|
|
|
for (i = 0; i < nb_output_streams; i++) { |
|
OutputStream *ost = output_streams[i]; |
|
int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base, |
|
AV_TIME_BASE_Q); |
|
if (!ost->unavailable && !ost->finished && opts < opts_min) { |
|
opts_min = opts; |
|
ost_min = ost; |
|
} |
|
} |
|
return ost_min; |
|
} |
|
|
|
static int check_keyboard_interaction(int64_t cur_time) |
|
{ |
|
int i, ret, key; |
|
static int64_t last_time; |
|
if (received_nb_signals) |
|
return AVERROR_EXIT; |
|
/* read_key() returns 0 on EOF */ |
|
if(cur_time - last_time >= 100000 && !run_as_daemon){ |
|
key = read_key(); |
|
last_time = cur_time; |
|
}else |
|
key = -1; |
|
if (key == 'q') |
|
return AVERROR_EXIT; |
|
if (key == '+') av_log_set_level(av_log_get_level()+10); |
|
if (key == '-') av_log_set_level(av_log_get_level()-10); |
|
if (key == 's') qp_hist ^= 1; |
|
if (key == 'h'){ |
|
if (do_hex_dump){ |
|
do_hex_dump = do_pkt_dump = 0; |
|
} else if(do_pkt_dump){ |
|
do_hex_dump = 1; |
|
} else |
|
do_pkt_dump = 1; |
|
av_log_set_level(AV_LOG_DEBUG); |
|
} |
|
if (key == 'c' || key == 'C'){ |
|
char buf[4096], target[64], command[256], arg[256] = {0}; |
|
double time; |
|
int k, n = 0; |
|
fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n"); |
|
i = 0; |
|
while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1) |
|
if (k > 0) |
|
buf[i++] = k; |
|
buf[i] = 0; |
|
if (k > 0 && |
|
(n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) { |
|
av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s", |
|
target, time, command, arg); |
|
for (i = 0; i < nb_filtergraphs; i++) { |
|
FilterGraph *fg = filtergraphs[i]; |
|
if (fg->graph) { |
|
if (time < 0) { |
|
ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf), |
|
key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0); |
|
fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf); |
|
} else { |
|
ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time); |
|
} |
|
} |
|
} |
|
} else { |
|
av_log(NULL, AV_LOG_ERROR, |
|
"Parse error, at least 3 arguments were expected, " |
|
"only %d given in string '%s'\n", n, buf); |
|
} |
|
} |
|
if (key == 'd' || key == 'D'){ |
|
int debug=0; |
|
if(key == 'D') { |
|
debug = input_streams[0]->st->codec->debug<<1; |
|
if(!debug) debug = 1; |
|
while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash |
|
debug += debug; |
|
}else |
|
if(scanf("%d", &debug)!=1) |
|
fprintf(stderr,"error parsing debug value\n"); |
|
for(i=0;i<nb_input_streams;i++) { |
|
input_streams[i]->st->codec->debug = debug; |
|
} |
|
for(i=0;i<nb_output_streams;i++) { |
|
OutputStream *ost = output_streams[i]; |
|
ost->st->codec->debug = debug; |
|
} |
|
if(debug) av_log_set_level(AV_LOG_DEBUG); |
|
fprintf(stderr,"debug=%d\n", debug); |
|
} |
|
if (key == '?'){ |
|
fprintf(stderr, "key function\n" |
|
"? show this help\n" |
|
"+ increase verbosity\n" |
|
"- decrease verbosity\n" |
|
"c Send command to filtergraph\n" |
|
"D cycle through available debug modes\n" |
|
"h dump packets/hex press to cycle through the 3 states\n" |
|
"q quit\n" |
|
"s Show QP histogram\n" |
|
); |
|
} |
|
return 0; |
|
} |
|
|
|
#if HAVE_PTHREADS |
|
static void *input_thread(void *arg) |
|
{ |
|
InputFile *f = arg; |
|
int ret = 0; |
|
|
|
while (!transcoding_finished && ret >= 0) { |
|
AVPacket pkt; |
|
ret = av_read_frame(f->ctx, &pkt); |
|
|
|
if (ret == AVERROR(EAGAIN)) { |
|
av_usleep(10000); |
|
ret = 0; |
|
continue; |
|
} else if (ret < 0) |
|
break; |
|
|
|
pthread_mutex_lock(&f->fifo_lock); |
|
while (!av_fifo_space(f->fifo)) |
|
pthread_cond_wait(&f->fifo_cond, &f->fifo_lock); |
|
|
|
av_dup_packet(&pkt); |
|
av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL); |
|
|
|
pthread_mutex_unlock(&f->fifo_lock); |
|
} |
|
|
|
f->finished = 1; |
|
return NULL; |
|
} |
|
|
|
static void free_input_threads(void) |
|
{ |
|
int i; |
|
|
|
if (nb_input_files == 1) |
|
return; |
|
|
|
transcoding_finished = 1; |
|
|
|
for (i = 0; i < nb_input_files; i++) { |
|
InputFile *f = input_files[i]; |
|
AVPacket pkt; |
|
|
|
if (!f->fifo || f->joined) |
|
continue; |
|
|
|
pthread_mutex_lock(&f->fifo_lock); |
|
while (av_fifo_size(f->fifo)) { |
|
av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL); |
|
av_free_packet(&pkt); |
|
} |
|
pthread_cond_signal(&f->fifo_cond); |
|
pthread_mutex_unlock(&f->fifo_lock); |
|
|
|
pthread_join(f->thread, NULL); |
|
f->joined = 1; |
|
|
|
while (av_fifo_size(f->fifo)) { |
|
av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL); |
|
av_free_packet(&pkt); |
|
} |
|
av_fifo_free(f->fifo); |
|
} |
|
} |
|
|
|
static int init_input_threads(void) |
|
{ |
|
int i, ret; |
|
|
|
if (nb_input_files == 1) |
|
return 0; |
|
|
|
for (i = 0; i < nb_input_files; i++) { |
|
InputFile *f = input_files[i]; |
|
|
|
if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket)))) |
|
return AVERROR(ENOMEM); |
|
|
|
pthread_mutex_init(&f->fifo_lock, NULL); |
|
pthread_cond_init (&f->fifo_cond, NULL); |
|
|
|
if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) |
|
return AVERROR(ret); |
|
} |
|
return 0; |
|
} |
|
|
|
static int get_input_packet_mt(InputFile *f, AVPacket *pkt) |
|
{ |
|
int ret = 0; |
|
|
|
pthread_mutex_lock(&f->fifo_lock); |
|
|
|
if (av_fifo_size(f->fifo)) { |
|
av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL); |
|
pthread_cond_signal(&f->fifo_cond); |
|
} else { |
|
if (f->finished) |
|
ret = AVERROR_EOF; |
|
else |
|
ret = AVERROR(EAGAIN); |
|
} |
|
|
|
pthread_mutex_unlock(&f->fifo_lock); |
|
|
|
return ret; |
|
} |
|
#endif |
|
|
|
static int get_input_packet(InputFile *f, AVPacket *pkt) |
|
{ |
|
#if HAVE_PTHREADS |
|
if (nb_input_files > 1) |
|
return get_input_packet_mt(f, pkt); |
|
#endif |
|
return av_read_frame(f->ctx, pkt); |
|
} |
|
|
|
static int got_eagain(void) |
|
{ |
|
int i; |
|
for (i = 0; i < nb_output_streams; i++) |
|
if (output_streams[i]->unavailable) |
|
return 1; |
|
return 0; |
|
} |
|
|
|
static void reset_eagain(void) |
|
{ |
|
int i; |
|
for (i = 0; i < nb_input_files; i++) |
|
input_files[i]->eagain = 0; |
|
for (i = 0; i < nb_output_streams; i++) |
|
output_streams[i]->unavailable = 0; |
|
} |
|
|
|
/* |
|
* Return |
|
* - 0 -- one packet was read and processed |
|
* - AVERROR(EAGAIN) -- no packets were available for selected file, |
|
* this function should be called again |
|
* - AVERROR_EOF -- this function should not be called again |
|
*/ |
|
static int process_input(int file_index) |
|
{ |
|
InputFile *ifile = input_files[file_index]; |
|
AVFormatContext *is; |
|
InputStream *ist; |
|
AVPacket pkt; |
|
int ret, i, j; |
|
|
|
is = ifile->ctx; |
|
ret = get_input_packet(ifile, &pkt); |
|
|
|
if (ret == AVERROR(EAGAIN)) { |
|
ifile->eagain = 1; |
|
return ret; |
|
} |
|
if (ret < 0) { |
|
if (ret != AVERROR_EOF) { |
|
print_error(is->filename, ret); |
|
if (exit_on_error) |
|
exit(1); |
|
} |
|
ifile->eof_reached = 1; |
|
|
|
for (i = 0; i < ifile->nb_streams; i++) { |
|
ist = input_streams[ifile->ist_index + i]; |
|
if (ist->decoding_needed) |
|
output_packet(ist, NULL); |
|
|
|
/* mark all outputs that don't go through lavfi as finished */ |
|
for (j = 0; j < nb_output_streams; j++) { |
|
OutputStream *ost = output_streams[j]; |
|
|
|
if (ost->source_index == ifile->ist_index + i && |
|
(ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE)) |
|
close_output_stream(ost); |
|
} |
|
} |
|
|
|
return AVERROR(EAGAIN); |
|
} |
|
|
|
reset_eagain(); |
|
|
|
if (do_pkt_dump) { |
|
av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump, |
|
is->streams[pkt.stream_index]); |
|
} |
|
/* the following test is needed in case new streams appear |
|
dynamically in stream : we ignore them */ |
|
if (pkt.stream_index >= ifile->nb_streams) { |
|
report_new_stream(file_index, &pkt); |
|
goto discard_packet; |
|
} |
|
|
|
ist = input_streams[ifile->ist_index + pkt.stream_index]; |
|
if (ist->discard) |
|
goto discard_packet; |
|
|
|
if (debug_ts) { |
|
av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s " |
|
"next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n", |
|
ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type), |
|
av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q), |
|
av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q), |
|
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base), |
|
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base), |
|
av_ts2str(input_files[ist->file_index]->ts_offset), |
|
av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q)); |
|
} |
|
|
|
if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){ |
|
int64_t stime, stime2; |
|
// Correcting starttime based on the enabled streams |
|
// FIXME this ideally should be done before the first use of starttime but we do not know which are the enabled streams at that point. |
|
// so we instead do it here as part of discontinuity handling |
|
if ( ist->next_dts == AV_NOPTS_VALUE |
|
&& ifile->ts_offset == -is->start_time |
|
&& (is->iformat->flags & AVFMT_TS_DISCONT)) { |
|
int64_t new_start_time = INT64_MAX; |
|
for (i=0; i<is->nb_streams; i++) { |
|
AVStream *st = is->streams[i]; |
|
if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE) |
|
continue; |
|
new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q)); |
|
} |
|
if (new_start_time > is->start_time) { |
|
av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time); |
|
ifile->ts_offset = -new_start_time; |
|
} |
|
} |
|
|
|
stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base); |
|
stime2= stime + (1ULL<<ist->st->pts_wrap_bits); |
|
ist->wrap_correction_done = 1; |
|
|
|
if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) { |
|
pkt.dts -= 1ULL<<ist->st->pts_wrap_bits; |
|
ist->wrap_correction_done = 0; |
|
} |
|
if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) { |
|
pkt.pts -= 1ULL<<ist->st->pts_wrap_bits; |
|
ist->wrap_correction_done = 0; |
|
} |
|
} |
|
|
|
if (pkt.dts != AV_NOPTS_VALUE) |
|
pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); |
|
if (pkt.pts != AV_NOPTS_VALUE) |
|
pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); |
|
|
|
if (pkt.pts != AV_NOPTS_VALUE) |
|
pkt.pts *= ist->ts_scale; |
|
if (pkt.dts != AV_NOPTS_VALUE) |
|
pkt.dts *= ist->ts_scale; |
|
|
|
if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts |
|
&& (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) { |
|
int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); |
|
int64_t delta = pkt_dts - ifile->last_ts; |
|
if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE || |
|
(delta > 1LL*dts_delta_threshold*AV_TIME_BASE && |
|
ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){ |
|
ifile->ts_offset -= delta; |
|
av_log(NULL, AV_LOG_DEBUG, |
|
"Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", |
|
delta, ifile->ts_offset); |
|
pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); |
|
if (pkt.pts != AV_NOPTS_VALUE) |
|
pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); |
|
} |
|
} |
|
|
|
if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && |
|
!copy_ts) { |
|
int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); |
|
int64_t delta = pkt_dts - ist->next_dts; |
|
if (is->iformat->flags & AVFMT_TS_DISCONT) { |
|
if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE || |
|
(delta > 1LL*dts_delta_threshold*AV_TIME_BASE && |
|
ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) || |
|
pkt_dts+1<ist->pts){ |
|
ifile->ts_offset -= delta; |
|
av_log(NULL, AV_LOG_DEBUG, |
|
"timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", |
|
delta, ifile->ts_offset); |
|
pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); |
|
if (pkt.pts != AV_NOPTS_VALUE) |
|
pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); |
|
} |
|
} else { |
|
if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE || |
|
(delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) |
|
) { |
|
av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index); |
|
pkt.dts = AV_NOPTS_VALUE; |
|
} |
|
if (pkt.pts != AV_NOPTS_VALUE){ |
|
int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q); |
|
delta = pkt_pts - ist->next_dts; |
|
if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE || |
|
(delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) |
|
) { |
|
av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index); |
|
pkt.pts = AV_NOPTS_VALUE; |
|
} |
|
} |
|
} |
|
} |
|
|
|
if (pkt.dts != AV_NOPTS_VALUE) |
|
ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); |
|
|
|
if (debug_ts) { |
|
av_log(NULL, AV_LOG_INFO, "demuxer+ffmpeg -> ist_index:%d type:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n", |
|
ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type), |
|
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base), |
|
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base), |
|
av_ts2str(input_files[ist->file_index]->ts_offset), |
|
av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q)); |
|
} |
|
|
|
sub2video_heartbeat(ist, pkt.pts); |
|
|
|
ret = output_packet(ist, &pkt); |
|
if (ret < 0) { |
|
char buf[128]; |
|
av_strerror(ret, buf, sizeof(buf)); |
|
av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n", |
|
ist->file_index, ist->st->index, buf); |
|
if (exit_on_error) |
|
exit(1); |
|
} |
|
|
|
discard_packet: |
|
av_free_packet(&pkt); |
|
|
|
return 0; |
|
} |
|
|
|
/** |
|
* Perform a step of transcoding for the specified filter graph. |
|
* |
|
* @param[in] graph filter graph to consider |
|
* @param[out] best_ist input stream where a frame would allow to continue |
|
* @return 0 for success, <0 for error |
|
*/ |
|
static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist) |
|
{ |
|
int i, ret; |
|
int nb_requests, nb_requests_max = 0; |
|
InputFilter *ifilter; |
|
InputStream *ist; |
|
|
|
*best_ist = NULL; |
|
ret = avfilter_graph_request_oldest(graph->graph); |
|
if (ret >= 0) |
|
return reap_filters(); |
|
|
|
if (ret == AVERROR_EOF) { |
|
ret = reap_filters(); |
|
for (i = 0; i < graph->nb_outputs; i++) |
|
close_output_stream(graph->outputs[i]->ost); |
|
return ret; |
|
} |
|
if (ret != AVERROR(EAGAIN)) |
|
return ret; |
|
|
|
for (i = 0; i < graph->nb_inputs; i++) { |
|
ifilter = graph->inputs[i]; |
|
ist = ifilter->ist; |
|
if (input_files[ist->file_index]->eagain || |
|
input_files[ist->file_index]->eof_reached) |
|
continue; |
|
nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter); |
|
if (nb_requests > nb_requests_max) { |
|
nb_requests_max = nb_requests; |
|
*best_ist = ist; |
|
} |
|
} |
|
|
|
if (!*best_ist) |
|
for (i = 0; i < graph->nb_outputs; i++) |
|
graph->outputs[i]->ost->unavailable = 1; |
|
|
|
return 0; |
|
} |
|
|
|
/** |
|
* Run a single step of transcoding. |
|
* |
|
* @return 0 for success, <0 for error |
|
*/ |
|
static int transcode_step(void) |
|
{ |
|
OutputStream *ost; |
|
InputStream *ist; |
|
int ret; |
|
|
|
ost = choose_output(); |
|
if (!ost) { |
|
if (got_eagain()) { |
|
reset_eagain(); |
|
av_usleep(10000); |
|
return 0; |
|
} |
|
av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n"); |
|
return AVERROR_EOF; |
|
} |
|
|
|
if (ost->filter) { |
|
if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0) |
|
return ret; |
|
if (!ist) |
|
return 0; |
|
} else { |
|
av_assert0(ost->source_index >= 0); |
|
ist = input_streams[ost->source_index]; |
|
} |
|
|
|
ret = process_input(ist->file_index); |
|
if (ret == AVERROR(EAGAIN)) { |
|
if (input_files[ist->file_index]->eagain) |
|
ost->unavailable = 1; |
|
return 0; |
|
} |
|
if (ret < 0) |
|
return ret == AVERROR_EOF ? 0 : ret; |
|
|
|
return reap_filters(); |
|
} |
|
|
|
/* |
|
* The following code is the main loop of the file converter |
|
*/ |
|
static int transcode(void) |
|
{ |
|
int ret, i; |
|
AVFormatContext *os; |
|
OutputStream *ost; |
|
InputStream *ist; |
|
int64_t timer_start; |
|
|
|
ret = transcode_init(); |
|
if (ret < 0) |
|
goto fail; |
|
|
|
if (stdin_interaction) { |
|
av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n"); |
|
} |
|
|
|
timer_start = av_gettime(); |
|
|
|
#if HAVE_PTHREADS |
|
if ((ret = init_input_threads()) < 0) |
|
goto fail; |
|
#endif |
|
|
|
while (!received_sigterm) { |
|
int64_t cur_time= av_gettime(); |
|
|
|
/* if 'q' pressed, exits */ |
|
if (stdin_interaction) |
|
if (check_keyboard_interaction(cur_time) < 0) |
|
break; |
|
|
|
/* check if there's any stream where output is still needed */ |
|
if (!need_output()) { |
|
av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n"); |
|
break; |
|
} |
|
|
|
ret = transcode_step(); |
|
if (ret < 0) { |
|
if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) |
|
continue; |
|
|
|
av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n"); |
|
break; |
|
} |
|
|
|
/* dump report by using the output first video and audio streams */ |
|
print_report(0, timer_start, cur_time); |
|
} |
|
#if HAVE_PTHREADS |
|
free_input_threads(); |
|
#endif |
|
|
|
/* at the end of stream, we must flush the decoder buffers */ |
|
for (i = 0; i < nb_input_streams; i++) { |
|
ist = input_streams[i]; |
|
if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) { |
|
output_packet(ist, NULL); |
|
} |
|
} |
|
flush_encoders(); |
|
|
|
term_exit(); |
|
|
|
/* write the trailer if needed and close file */ |
|
for (i = 0; i < nb_output_files; i++) { |
|
os = output_files[i]->ctx; |
|
av_write_trailer(os); |
|
} |
|
|
|
/* dump report by using the first video and audio streams */ |
|
print_report(1, timer_start, av_gettime()); |
|
|
|
/* close each encoder */ |
|
for (i = 0; i < nb_output_streams; i++) { |
|
ost = output_streams[i]; |
|
if (ost->encoding_needed) { |
|
av_freep(&ost->st->codec->stats_in); |
|
avcodec_close(ost->st->codec); |
|
} |
|
} |
|
|
|
/* close each decoder */ |
|
for (i = 0; i < nb_input_streams; i++) { |
|
ist = input_streams[i]; |
|
if (ist->decoding_needed) { |
|
avcodec_close(ist->st->codec); |
|
} |
|
} |
|
|
|
/* finished ! */ |
|
ret = 0; |
|
|
|
fail: |
|
#if HAVE_PTHREADS |
|
free_input_threads(); |
|
#endif |
|
|
|
if (output_streams) { |
|
for (i = 0; i < nb_output_streams; i++) { |
|
ost = output_streams[i]; |
|
if (ost) { |
|
if (ost->stream_copy) |
|
av_freep(&ost->st->codec->extradata); |
|
if (ost->logfile) { |
|
fclose(ost->logfile); |
|
ost->logfile = NULL; |
|
} |
|
av_freep(&ost->st->codec->subtitle_header); |
|
av_free(ost->forced_kf_pts); |
|
av_dict_free(&ost->opts); |
|
av_dict_free(&ost->swr_opts); |
|
av_dict_free(&ost->resample_opts); |
|
} |
|
} |
|
} |
|
return ret; |
|
} |
|
|
|
|
|
static int64_t getutime(void) |
|
{ |
|
#if HAVE_GETRUSAGE |
|
struct rusage rusage; |
|
|
|
getrusage(RUSAGE_SELF, &rusage); |
|
return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec; |
|
#elif HAVE_GETPROCESSTIMES |
|
HANDLE proc; |
|
FILETIME c, e, k, u; |
|
proc = GetCurrentProcess(); |
|
GetProcessTimes(proc, &c, &e, &k, &u); |
|
return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10; |
|
#else |
|
return av_gettime(); |
|
#endif |
|
} |
|
|
|
static int64_t getmaxrss(void) |
|
{ |
|
#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS |
|
struct rusage rusage; |
|
getrusage(RUSAGE_SELF, &rusage); |
|
return (int64_t)rusage.ru_maxrss * 1024; |
|
#elif HAVE_GETPROCESSMEMORYINFO |
|
HANDLE proc; |
|
PROCESS_MEMORY_COUNTERS memcounters; |
|
proc = GetCurrentProcess(); |
|
memcounters.cb = sizeof(memcounters); |
|
GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters)); |
|
return memcounters.PeakPagefileUsage; |
|
#else |
|
return 0; |
|
#endif |
|
} |
|
|
|
static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl) |
|
{ |
|
} |
|
|
|
int main(int argc, char **argv) |
|
{ |
|
int ret; |
|
int64_t ti; |
|
|
|
atexit(exit_program); |
|
|
|
setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */ |
|
|
|
av_log_set_flags(AV_LOG_SKIP_REPEATED); |
|
parse_loglevel(argc, argv, options); |
|
|
|
if(argc>1 && !strcmp(argv[1], "-d")){ |
|
run_as_daemon=1; |
|
av_log_set_callback(log_callback_null); |
|
argc--; |
|
argv++; |
|
} |
|
|
|
avcodec_register_all(); |
|
#if CONFIG_AVDEVICE |
|
avdevice_register_all(); |
|
#endif |
|
avfilter_register_all(); |
|
av_register_all(); |
|
avformat_network_init(); |
|
|
|
show_banner(argc, argv, options); |
|
|
|
term_init(); |
|
|
|
/* parse options and open all input/output files */ |
|
ret = ffmpeg_parse_options(argc, argv); |
|
if (ret < 0) |
|
exit(1); |
|
|
|
if (nb_output_files <= 0 && nb_input_files == 0) { |
|
show_usage(); |
|
av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name); |
|
exit(1); |
|
} |
|
|
|
/* file converter / grab */ |
|
if (nb_output_files <= 0) { |
|
av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n"); |
|
exit(1); |
|
} |
|
|
|
// if (nb_input_files == 0) { |
|
// av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n"); |
|
// exit(1); |
|
// } |
|
|
|
current_time = ti = getutime(); |
|
if (transcode() < 0) |
|
exit(1); |
|
ti = getutime() - ti; |
|
if (do_benchmark) { |
|
printf("bench: utime=%0.3fs\n", ti / 1000000.0); |
|
} |
|
av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n", |
|
decode_error_stat[0], decode_error_stat[1]); |
|
if (2*decode_error_stat[0] < decode_error_stat[1]) |
|
exit(254); |
|
|
|
exit(received_nb_signals ? 255 : 0); |
|
return 0; |
|
}
|
|
|