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.
3374 lines
112 KiB
3374 lines
112 KiB
/* |
|
* FFmpeg main |
|
* Copyright (c) 2000-2003 Fabrice Bellard |
|
* |
|
* This library 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 of the License, or (at your option) any later version. |
|
* |
|
* This library 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 this library; if not, write to the Free Software |
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
*/ |
|
#define HAVE_AV_CONFIG_H |
|
#include "avformat.h" |
|
#include "framehook.h" |
|
|
|
#ifndef CONFIG_WIN32 |
|
#include <unistd.h> |
|
#include <fcntl.h> |
|
#include <sys/ioctl.h> |
|
#include <sys/time.h> |
|
#include <termios.h> |
|
#include <sys/resource.h> |
|
#include <signal.h> |
|
#endif |
|
#ifdef CONFIG_OS2 |
|
#include <sys/types.h> |
|
#include <sys/select.h> |
|
#include <stdlib.h> |
|
#endif |
|
#include <time.h> |
|
|
|
#include "cmdutils.h" |
|
|
|
#if !defined(INFINITY) && defined(HUGE_VAL) |
|
#define INFINITY HUGE_VAL |
|
#endif |
|
|
|
/* select an input stream for an output stream */ |
|
typedef struct AVStreamMap { |
|
int file_index; |
|
int stream_index; |
|
} AVStreamMap; |
|
|
|
extern const OptionDef options[]; |
|
|
|
static void show_help(void); |
|
static void show_license(void); |
|
|
|
#define MAX_FILES 20 |
|
|
|
static AVFormatContext *input_files[MAX_FILES]; |
|
static int nb_input_files = 0; |
|
|
|
static AVFormatContext *output_files[MAX_FILES]; |
|
static int nb_output_files = 0; |
|
|
|
static AVStreamMap stream_maps[MAX_FILES]; |
|
static int nb_stream_maps; |
|
|
|
static AVInputFormat *file_iformat; |
|
static AVOutputFormat *file_oformat; |
|
static AVImageFormat *image_format; |
|
static int frame_width = 160; |
|
static int frame_height = 128; |
|
static float frame_aspect_ratio = 0; |
|
static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P; |
|
static int frame_topBand = 0; |
|
static int frame_bottomBand = 0; |
|
static int frame_leftBand = 0; |
|
static int frame_rightBand = 0; |
|
static int frame_rate = 25; |
|
static int frame_rate_base = 1; |
|
static int video_bit_rate = 200*1000; |
|
static int video_bit_rate_tolerance = 4000*1000; |
|
static float video_qscale = 0; |
|
static int video_qmin = 2; |
|
static int video_qmax = 31; |
|
static int video_mb_qmin = 2; |
|
static int video_mb_qmax = 31; |
|
static int video_qdiff = 3; |
|
static float video_qblur = 0.5; |
|
static float video_qcomp = 0.5; |
|
static uint16_t *intra_matrix = NULL; |
|
static uint16_t *inter_matrix = NULL; |
|
#if 0 //experimental, (can be removed) |
|
static float video_rc_qsquish=1.0; |
|
static float video_rc_qmod_amp=0; |
|
static int video_rc_qmod_freq=0; |
|
#endif |
|
static char *video_rc_override_string=NULL; |
|
static char *video_rc_eq="tex^qComp"; |
|
static int video_rc_buffer_size=0; |
|
static float video_rc_buffer_aggressivity=1.0; |
|
static int video_rc_max_rate=0; |
|
static int video_rc_min_rate=0; |
|
static float video_rc_initial_cplx=0; |
|
static float video_b_qfactor = 1.25; |
|
static float video_b_qoffset = 1.25; |
|
static float video_i_qfactor = -0.8; |
|
static float video_i_qoffset = 0.0; |
|
static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS; |
|
static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS; |
|
static int me_method = ME_EPZS; |
|
static int video_disable = 0; |
|
static int video_codec_id = CODEC_ID_NONE; |
|
static int same_quality = 0; |
|
static int b_frames = 0; |
|
static int mb_decision = FF_MB_DECISION_SIMPLE; |
|
static int ildct_cmp = FF_CMP_VSAD; |
|
static int mb_cmp = FF_CMP_SAD; |
|
static int sub_cmp = FF_CMP_SAD; |
|
static int cmp = FF_CMP_SAD; |
|
static int pre_cmp = FF_CMP_SAD; |
|
static int pre_me = 0; |
|
static float lumi_mask = 0; |
|
static float dark_mask = 0; |
|
static float scplx_mask = 0; |
|
static float tcplx_mask = 0; |
|
static float p_mask = 0; |
|
static int use_4mv = 0; |
|
static int use_obmc = 0; |
|
static int use_aic = 0; |
|
static int use_aiv = 0; |
|
static int use_umv = 0; |
|
static int use_ss = 0; |
|
static int use_alt_scan = 0; |
|
static int use_trell = 0; |
|
static int use_scan_offset = 0; |
|
static int qns = 0; |
|
static int closed_gop = 0; |
|
static int do_deinterlace = 0; |
|
static int do_interlace_dct = 0; |
|
static int do_interlace_me = 0; |
|
static int workaround_bugs = FF_BUG_AUTODETECT; |
|
static int error_resilience = 2; |
|
static int error_concealment = 3; |
|
static int dct_algo = 0; |
|
static int idct_algo = 0; |
|
static int use_part = 0; |
|
static int packet_size = 0; |
|
static int error_rate = 0; |
|
static int strict = 0; |
|
static int top_field_first = -1; |
|
static int noise_reduction = 0; |
|
static int sc_threshold = 0; |
|
static int debug = 0; |
|
static int debug_mv = 0; |
|
extern int loop_input; /* currently a hack */ |
|
|
|
static int gop_size = 12; |
|
static int intra_only = 0; |
|
static int audio_sample_rate = 44100; |
|
static int audio_bit_rate = 64000; |
|
static int audio_disable = 0; |
|
static int audio_channels = 1; |
|
static int audio_codec_id = CODEC_ID_NONE; |
|
|
|
static int64_t recording_time = 0; |
|
static int64_t start_time = 0; |
|
static int file_overwrite = 0; |
|
static char *str_title = NULL; |
|
static char *str_author = NULL; |
|
static char *str_copyright = NULL; |
|
static char *str_comment = NULL; |
|
static int do_benchmark = 0; |
|
static int do_hex_dump = 0; |
|
static int do_pkt_dump = 0; |
|
static int do_psnr = 0; |
|
static int do_vstats = 0; |
|
static int do_pass = 0; |
|
static int bitexact = 0; |
|
static char *pass_logfilename = NULL; |
|
static int audio_stream_copy = 0; |
|
static int video_stream_copy = 0; |
|
|
|
static int rate_emu = 0; |
|
|
|
static char *video_grab_format = "video4linux"; |
|
static char *video_device = NULL; |
|
static int video_channel = 0; |
|
static char *video_standard = "ntsc"; |
|
|
|
static char *audio_grab_format = "audio_device"; |
|
static char *audio_device = NULL; |
|
|
|
static int using_stdin = 0; |
|
static int using_vhook = 0; |
|
static int verbose = 1; |
|
static int thread_count= 1; |
|
static int q_pressed = 0; |
|
|
|
#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass" |
|
|
|
typedef struct AVOutputStream { |
|
int file_index; /* file index */ |
|
int index; /* stream index in the output file */ |
|
int source_index; /* AVInputStream index */ |
|
AVStream *st; /* stream in the output file */ |
|
int encoding_needed; /* true if encoding needed for this stream */ |
|
int frame_number; |
|
/* input pts and corresponding output pts |
|
for A/V sync */ |
|
double sync_ipts; |
|
double sync_ipts_offset; |
|
int64_t sync_opts; |
|
/* video only */ |
|
int video_resample; /* video_resample and video_crop are mutually exclusive */ |
|
AVPicture pict_tmp; /* temporary image for resampling */ |
|
ImgReSampleContext *img_resample_ctx; /* for image resampling */ |
|
|
|
int video_crop; /* video_resample and video_crop are mutually exclusive */ |
|
int topBand; /* cropping area sizes */ |
|
int leftBand; |
|
|
|
/* audio only */ |
|
int audio_resample; |
|
ReSampleContext *resample; /* for audio resampling */ |
|
FifoBuffer fifo; /* for compression: one audio fifo per codec */ |
|
FILE *logfile; |
|
} AVOutputStream; |
|
|
|
typedef struct AVInputStream { |
|
int file_index; |
|
int index; |
|
AVStream *st; |
|
int discard; /* true if stream data should be discarded */ |
|
int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */ |
|
int64_t sample_index; /* current sample */ |
|
|
|
int64_t start; /* time when read started */ |
|
unsigned long frame; /* current frame */ |
|
int64_t next_pts; /* synthetic pts for cases where pkt.pts |
|
is not defined */ |
|
int64_t pts; /* current pts */ |
|
} AVInputStream; |
|
|
|
typedef struct AVInputFile { |
|
int eof_reached; /* true if eof reached */ |
|
int ist_index; /* index of first stream in ist_table */ |
|
int buffer_size; /* current total buffer size */ |
|
int buffer_size_max; /* buffer size at which we consider we can stop |
|
buffering */ |
|
int nb_streams; /* nb streams we are aware of */ |
|
} AVInputFile; |
|
|
|
#ifndef CONFIG_WIN32 |
|
|
|
/* init terminal so that we can grab keys */ |
|
static struct termios oldtty; |
|
|
|
static void term_exit(void) |
|
{ |
|
tcsetattr (0, TCSANOW, &oldtty); |
|
} |
|
|
|
static volatile sig_atomic_t received_sigterm = 0; |
|
|
|
static void |
|
sigterm_handler(int sig) |
|
{ |
|
received_sigterm = sig; |
|
term_exit(); |
|
} |
|
|
|
static void term_init(void) |
|
{ |
|
struct termios tty; |
|
|
|
tcgetattr (0, &tty); |
|
oldtty = tty; |
|
|
|
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(SIGINT , sigterm_handler); /* Interrupt (ANSI). */ |
|
signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */ |
|
signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */ |
|
/* |
|
register a function to be called at normal program termination |
|
*/ |
|
atexit(term_exit); |
|
#ifdef CONFIG_BEOS_NETSERVER |
|
fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK); |
|
#endif |
|
} |
|
|
|
/* read a key without blocking */ |
|
static int read_key(void) |
|
{ |
|
int n = 1; |
|
unsigned char ch; |
|
#ifndef CONFIG_BEOS_NETSERVER |
|
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); |
|
#endif |
|
if (n > 0) { |
|
n = read(0, &ch, 1); |
|
if (n == 1) |
|
return ch; |
|
|
|
return n; |
|
} |
|
return -1; |
|
} |
|
|
|
static int decode_interrupt_cb(void) |
|
{ |
|
return q_pressed || (q_pressed = read_key() == 'q'); |
|
} |
|
|
|
#else |
|
|
|
static volatile int received_sigterm = 0; |
|
|
|
/* no interactive support */ |
|
static void term_exit(void) |
|
{ |
|
} |
|
|
|
static void term_init(void) |
|
{ |
|
} |
|
|
|
static int read_key(void) |
|
{ |
|
return 0; |
|
} |
|
|
|
#endif |
|
|
|
static int read_ffserver_streams(AVFormatContext *s, const char *filename) |
|
{ |
|
int i, err; |
|
AVFormatContext *ic; |
|
|
|
err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL); |
|
if (err < 0) |
|
return err; |
|
/* copy stream format */ |
|
s->nb_streams = ic->nb_streams; |
|
for(i=0;i<ic->nb_streams;i++) { |
|
AVStream *st; |
|
|
|
st = av_mallocz(sizeof(AVStream)); |
|
memcpy(st, ic->streams[i], sizeof(AVStream)); |
|
s->streams[i] = st; |
|
} |
|
|
|
av_close_input_file(ic); |
|
return 0; |
|
} |
|
|
|
#define MAX_AUDIO_PACKET_SIZE (128 * 1024) |
|
|
|
static void do_audio_out(AVFormatContext *s, |
|
AVOutputStream *ost, |
|
AVInputStream *ist, |
|
unsigned char *buf, int size) |
|
{ |
|
uint8_t *buftmp; |
|
static uint8_t *audio_buf = NULL; |
|
static uint8_t *audio_out = NULL; |
|
const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE; |
|
|
|
int size_out, frame_bytes, ret; |
|
AVCodecContext *enc; |
|
|
|
/* SC: dynamic allocation of buffers */ |
|
if (!audio_buf) |
|
audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE); |
|
if (!audio_out) |
|
audio_out = av_malloc(audio_out_size); |
|
if (!audio_buf || !audio_out) |
|
return; /* Should signal an error ! */ |
|
|
|
|
|
enc = &ost->st->codec; |
|
|
|
if (ost->audio_resample) { |
|
buftmp = audio_buf; |
|
size_out = audio_resample(ost->resample, |
|
(short *)buftmp, (short *)buf, |
|
size / (ist->st->codec.channels * 2)); |
|
size_out = size_out * enc->channels * 2; |
|
} else { |
|
buftmp = buf; |
|
size_out = size; |
|
} |
|
|
|
/* now encode as many frames as possible */ |
|
if (enc->frame_size > 1) { |
|
/* output resampled raw samples */ |
|
fifo_write(&ost->fifo, buftmp, size_out, |
|
&ost->fifo.wptr); |
|
|
|
frame_bytes = enc->frame_size * 2 * enc->channels; |
|
|
|
while (fifo_read(&ost->fifo, audio_buf, frame_bytes, |
|
&ost->fifo.rptr) == 0) { |
|
ret = avcodec_encode_audio(enc, audio_out, audio_out_size, |
|
(short *)audio_buf); |
|
av_write_frame(s, ost->index, audio_out, ret); |
|
} |
|
} else { |
|
/* output a pcm frame */ |
|
/* XXX: change encoding codec API to avoid this ? */ |
|
switch(enc->codec->id) { |
|
case CODEC_ID_PCM_S16LE: |
|
case CODEC_ID_PCM_S16BE: |
|
case CODEC_ID_PCM_U16LE: |
|
case CODEC_ID_PCM_U16BE: |
|
break; |
|
default: |
|
size_out = size_out >> 1; |
|
break; |
|
} |
|
ret = avcodec_encode_audio(enc, audio_out, size_out, |
|
(short *)buftmp); |
|
av_write_frame(s, ost->index, audio_out, ret); |
|
} |
|
} |
|
|
|
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp) |
|
{ |
|
AVCodecContext *dec; |
|
AVPicture *picture2; |
|
AVPicture picture_tmp; |
|
uint8_t *buf = 0; |
|
|
|
dec = &ist->st->codec; |
|
|
|
/* deinterlace : must be done before any resize */ |
|
if (do_deinterlace || using_vhook) { |
|
int size; |
|
|
|
/* create temporary picture */ |
|
size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height); |
|
buf = av_malloc(size); |
|
if (!buf) |
|
return; |
|
|
|
picture2 = &picture_tmp; |
|
avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height); |
|
|
|
if (do_deinterlace){ |
|
if(avpicture_deinterlace(picture2, picture, |
|
dec->pix_fmt, dec->width, dec->height) < 0) { |
|
/* if error, do not deinterlace */ |
|
av_free(buf); |
|
buf = NULL; |
|
picture2 = picture; |
|
} |
|
} else { |
|
if (img_convert(picture2, dec->pix_fmt, picture, |
|
dec->pix_fmt, dec->width, dec->height) < 0) { |
|
/* if error, do not copy */ |
|
av_free(buf); |
|
buf = NULL; |
|
picture2 = picture; |
|
} |
|
} |
|
} else { |
|
picture2 = picture; |
|
} |
|
|
|
frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height); |
|
|
|
if (picture != picture2) |
|
*picture = *picture2; |
|
*bufp = buf; |
|
} |
|
|
|
/* we begin to correct av delay at this threshold */ |
|
#define AV_DELAY_MAX 0.100 |
|
|
|
static void do_video_out(AVFormatContext *s, |
|
AVOutputStream *ost, |
|
AVInputStream *ist, |
|
AVFrame *in_picture, |
|
int *frame_size, AVOutputStream *audio_sync) |
|
{ |
|
int nb_frames, i, ret; |
|
AVPicture *final_picture, *formatted_picture; |
|
AVPicture picture_format_temp, picture_crop_temp; |
|
static uint8_t *video_buffer= NULL; |
|
uint8_t *buf = NULL, *buf1 = NULL; |
|
AVCodecContext *enc, *dec; |
|
enum PixelFormat target_pixfmt; |
|
|
|
#define VIDEO_BUFFER_SIZE (1024*1024) |
|
|
|
enc = &ost->st->codec; |
|
dec = &ist->st->codec; |
|
|
|
/* by default, we output a single frame */ |
|
nb_frames = 1; |
|
|
|
*frame_size = 0; |
|
|
|
/* NOTE: the A/V sync is always done by considering the audio is |
|
the master clock. It is suffisant for transcoding or playing, |
|
but not for the general case */ |
|
if (audio_sync) { |
|
/* compute the A-V delay and duplicate/remove frames if needed */ |
|
double adelta, vdelta, av_delay; |
|
|
|
adelta = audio_sync->sync_ipts - ((double)audio_sync->sync_opts * |
|
s->pts_num / s->pts_den); |
|
|
|
vdelta = ost->sync_ipts - ((double)ost->sync_opts * |
|
s->pts_num / s->pts_den); |
|
|
|
av_delay = adelta - vdelta; |
|
// printf("delay=%f\n", av_delay); |
|
if (av_delay < -AV_DELAY_MAX) |
|
nb_frames = 2; |
|
else if (av_delay > AV_DELAY_MAX) |
|
nb_frames = 0; |
|
} else { |
|
double vdelta; |
|
|
|
vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset); |
|
if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) { |
|
if (vdelta < -AV_DELAY_MAX) |
|
nb_frames = 2; |
|
else if (vdelta > AV_DELAY_MAX) |
|
nb_frames = 0; |
|
} else { |
|
ost->sync_ipts_offset -= vdelta; |
|
if (!ost->sync_ipts_offset) |
|
ost->sync_ipts_offset = 0.000001; /* one microsecond */ |
|
} |
|
} |
|
|
|
#if defined(AVSYNC_DEBUG) |
|
{ |
|
static char *action[] = { "drop frame", "copy frame", "dup frame" }; |
|
if (audio_sync) |
|
fprintf(stderr, "Input APTS %12.6f, output APTS %12.6f, ", |
|
(double) audio_sync->sync_ipts, |
|
(double) audio_sync->st->pts.val * s->pts_num / s->pts_den); |
|
fprintf(stderr, "Input VPTS %12.6f, output VPTS %12.6f: %s\n", |
|
(double) ost->sync_ipts, |
|
(double) ost->st->pts.val * s->pts_num / s->pts_den, |
|
action[nb_frames]); |
|
} |
|
#endif |
|
|
|
if (nb_frames <= 0) |
|
return; |
|
|
|
if (!video_buffer) |
|
video_buffer = av_malloc(VIDEO_BUFFER_SIZE); |
|
if (!video_buffer) |
|
return; |
|
|
|
/* convert pixel format if needed */ |
|
target_pixfmt = ost->video_resample ? PIX_FMT_YUV420P : enc->pix_fmt; |
|
if (dec->pix_fmt != target_pixfmt) { |
|
int size; |
|
|
|
/* create temporary picture */ |
|
size = avpicture_get_size(target_pixfmt, dec->width, dec->height); |
|
buf = av_malloc(size); |
|
if (!buf) |
|
return; |
|
formatted_picture = &picture_format_temp; |
|
avpicture_fill(formatted_picture, buf, target_pixfmt, dec->width, dec->height); |
|
|
|
if (img_convert(formatted_picture, target_pixfmt, |
|
(AVPicture *)in_picture, dec->pix_fmt, |
|
dec->width, dec->height) < 0) { |
|
fprintf(stderr, "pixel format conversion not handled\n"); |
|
goto the_end; |
|
} |
|
} else { |
|
formatted_picture = (AVPicture *)in_picture; |
|
} |
|
|
|
/* XXX: resampling could be done before raw format convertion in |
|
some cases to go faster */ |
|
/* XXX: only works for YUV420P */ |
|
if (ost->video_resample) { |
|
final_picture = &ost->pict_tmp; |
|
img_resample(ost->img_resample_ctx, final_picture, formatted_picture); |
|
if (enc->pix_fmt != PIX_FMT_YUV420P) { |
|
int size; |
|
|
|
av_free(buf); |
|
/* create temporary picture */ |
|
size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height); |
|
buf = av_malloc(size); |
|
if (!buf) |
|
return; |
|
final_picture = &picture_format_temp; |
|
avpicture_fill(final_picture, buf, enc->pix_fmt, enc->width, enc->height); |
|
|
|
if (img_convert(final_picture, enc->pix_fmt, |
|
&ost->pict_tmp, PIX_FMT_YUV420P, |
|
enc->width, enc->height) < 0) { |
|
fprintf(stderr, "pixel format conversion not handled\n"); |
|
goto the_end; |
|
} |
|
} |
|
} else if (ost->video_crop) { |
|
picture_crop_temp.data[0] = formatted_picture->data[0] + |
|
(ost->topBand * formatted_picture->linesize[0]) + ost->leftBand; |
|
|
|
picture_crop_temp.data[1] = formatted_picture->data[1] + |
|
((ost->topBand >> 1) * formatted_picture->linesize[1]) + |
|
(ost->leftBand >> 1); |
|
|
|
picture_crop_temp.data[2] = formatted_picture->data[2] + |
|
((ost->topBand >> 1) * formatted_picture->linesize[2]) + |
|
(ost->leftBand >> 1); |
|
|
|
picture_crop_temp.linesize[0] = formatted_picture->linesize[0]; |
|
picture_crop_temp.linesize[1] = formatted_picture->linesize[1]; |
|
picture_crop_temp.linesize[2] = formatted_picture->linesize[2]; |
|
final_picture = &picture_crop_temp; |
|
} else { |
|
final_picture = formatted_picture; |
|
} |
|
/* duplicates frame if needed */ |
|
/* XXX: pb because no interleaving */ |
|
for(i=0;i<nb_frames;i++) { |
|
if (s->oformat->flags & AVFMT_RAWPICTURE) { |
|
/* raw pictures are written as AVPicture structure to |
|
avoid any copies. We support temorarily the older |
|
method. */ |
|
AVFrame* old_frame = enc->coded_frame; |
|
enc->coded_frame = dec->coded_frame; |
|
av_write_frame(s, ost->index, |
|
(uint8_t *)final_picture, sizeof(AVPicture)); |
|
enc->coded_frame = old_frame; |
|
} else { |
|
AVFrame big_picture; |
|
|
|
avcodec_get_frame_defaults(&big_picture); |
|
*(AVPicture*)&big_picture= *final_picture; |
|
/* better than nothing: use input picture interlaced |
|
settings */ |
|
big_picture.interlaced_frame = in_picture->interlaced_frame; |
|
if(do_interlace_me || do_interlace_dct){ |
|
if(top_field_first == -1) |
|
big_picture.top_field_first = in_picture->top_field_first; |
|
else |
|
big_picture.top_field_first = 1; |
|
} |
|
|
|
/* handles sameq here. This is not correct because it may |
|
not be a global option */ |
|
if (same_quality) { |
|
big_picture.quality = ist->st->quality; |
|
}else |
|
big_picture.quality = ost->st->quality; |
|
ret = avcodec_encode_video(enc, |
|
video_buffer, VIDEO_BUFFER_SIZE, |
|
&big_picture); |
|
//enc->frame_number = enc->real_pict_num; |
|
av_write_frame(s, ost->index, video_buffer, ret); |
|
*frame_size = ret; |
|
//fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d", |
|
// enc->frame_number-1, enc->real_pict_num, ret, |
|
// enc->pict_type); |
|
/* if two pass, output log */ |
|
if (ost->logfile && enc->stats_out) { |
|
fprintf(ost->logfile, "%s", enc->stats_out); |
|
} |
|
} |
|
ost->frame_number++; |
|
} |
|
the_end: |
|
av_free(buf); |
|
av_free(buf1); |
|
} |
|
|
|
static double psnr(double d){ |
|
if(d==0) return INFINITY; |
|
return -10.0*log(d)/log(10.0); |
|
} |
|
|
|
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost, |
|
int frame_size) |
|
{ |
|
static FILE *fvstats=NULL; |
|
static int64_t total_size = 0; |
|
char filename[40]; |
|
time_t today2; |
|
struct tm *today; |
|
AVCodecContext *enc; |
|
int frame_number; |
|
int64_t ti; |
|
double ti1, bitrate, avg_bitrate; |
|
|
|
if (!fvstats) { |
|
today2 = time(NULL); |
|
today = localtime(&today2); |
|
sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour, |
|
today->tm_min, |
|
today->tm_sec); |
|
fvstats = fopen(filename,"w"); |
|
if (!fvstats) { |
|
perror("fopen"); |
|
exit(1); |
|
} |
|
} |
|
|
|
ti = MAXINT64; |
|
enc = &ost->st->codec; |
|
total_size += frame_size; |
|
if (enc->codec_type == CODEC_TYPE_VIDEO) { |
|
frame_number = ost->frame_number; |
|
fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA); |
|
if (enc->flags&CODEC_FLAG_PSNR) |
|
fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0))); |
|
|
|
fprintf(fvstats,"f_size= %6d ", frame_size); |
|
/* compute pts value */ |
|
ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den; |
|
if (ti1 < 0.01) |
|
ti1 = 0.01; |
|
|
|
bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0; |
|
avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0; |
|
fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ", |
|
(double)total_size / 1024, ti1, bitrate, avg_bitrate); |
|
fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type)); |
|
} |
|
} |
|
|
|
static void print_report(AVFormatContext **output_files, |
|
AVOutputStream **ost_table, int nb_ostreams, |
|
int is_last_report) |
|
{ |
|
char buf[1024]; |
|
AVOutputStream *ost; |
|
AVFormatContext *oc, *os; |
|
int64_t total_size; |
|
AVCodecContext *enc; |
|
int frame_number, vid, i; |
|
double bitrate, ti1, pts; |
|
static int64_t last_time = -1; |
|
|
|
if (!is_last_report) { |
|
int64_t cur_time; |
|
/* display the report every 0.5 seconds */ |
|
cur_time = av_gettime(); |
|
if (last_time == -1) { |
|
last_time = cur_time; |
|
return; |
|
} |
|
if ((cur_time - last_time) < 500000) |
|
return; |
|
last_time = cur_time; |
|
} |
|
|
|
|
|
oc = output_files[0]; |
|
|
|
total_size = url_ftell(&oc->pb); |
|
|
|
buf[0] = '\0'; |
|
ti1 = 1e10; |
|
vid = 0; |
|
for(i=0;i<nb_ostreams;i++) { |
|
ost = ost_table[i]; |
|
os = output_files[ost->file_index]; |
|
enc = &ost->st->codec; |
|
if (vid && enc->codec_type == CODEC_TYPE_VIDEO) { |
|
sprintf(buf + strlen(buf), "q=%2.1f ", |
|
enc->coded_frame->quality/(float)FF_QP2LAMBDA); |
|
} |
|
if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) { |
|
frame_number = ost->frame_number; |
|
sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ", |
|
frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0); |
|
if(is_last_report) |
|
sprintf(buf + strlen(buf), "L"); |
|
if (enc->flags&CODEC_FLAG_PSNR){ |
|
int j; |
|
double error, error_sum=0; |
|
double scale, scale_sum=0; |
|
char type[3]= {'Y','U','V'}; |
|
sprintf(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; |
|
sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale)); |
|
} |
|
sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum)); |
|
} |
|
vid = 1; |
|
} |
|
/* compute min output value */ |
|
pts = (double)ost->st->pts.val * os->pts_num / os->pts_den; |
|
if ((pts < ti1) && (pts > 0)) |
|
ti1 = pts; |
|
} |
|
if (ti1 < 0.01) |
|
ti1 = 0.01; |
|
|
|
if (verbose || is_last_report) { |
|
bitrate = (double)(total_size * 8) / ti1 / 1000.0; |
|
|
|
sprintf(buf + strlen(buf), |
|
"size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s", |
|
(double)total_size / 1024, ti1, bitrate); |
|
|
|
fprintf(stderr, "%s \r", buf); |
|
fflush(stderr); |
|
} |
|
|
|
if (is_last_report) |
|
fprintf(stderr, "\n"); |
|
} |
|
|
|
/* pkt = NULL means EOF (needed to flush decoder buffers) */ |
|
static int output_packet(AVInputStream *ist, int ist_index, |
|
AVOutputStream **ost_table, int nb_ostreams, |
|
AVPacket *pkt) |
|
{ |
|
AVFormatContext *os; |
|
AVOutputStream *ost; |
|
uint8_t *ptr; |
|
int len, ret, i; |
|
uint8_t *data_buf; |
|
int data_size, got_picture; |
|
AVFrame picture; |
|
short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2]; |
|
void *buffer_to_free; |
|
|
|
if (pkt && pkt->pts != AV_NOPTS_VALUE) { |
|
ist->pts = pkt->pts; |
|
} else { |
|
ist->pts = ist->next_pts; |
|
} |
|
|
|
if (pkt == NULL) { |
|
/* EOF handling */ |
|
ptr = NULL; |
|
len = 0; |
|
goto handle_eof; |
|
} |
|
|
|
len = pkt->size; |
|
ptr = pkt->data; |
|
while (len > 0) { |
|
handle_eof: |
|
/* decode the packet if needed */ |
|
data_buf = NULL; /* fail safe */ |
|
data_size = 0; |
|
if (ist->decoding_needed) { |
|
switch(ist->st->codec.codec_type) { |
|
case CODEC_TYPE_AUDIO: |
|
/* XXX: could avoid copy if PCM 16 bits with same |
|
endianness as CPU */ |
|
ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size, |
|
ptr, len); |
|
if (ret < 0) |
|
goto fail_decode; |
|
ptr += ret; |
|
len -= ret; |
|
/* Some bug in mpeg audio decoder gives */ |
|
/* data_size < 0, it seems they are overflows */ |
|
if (data_size <= 0) { |
|
/* no audio frame */ |
|
continue; |
|
} |
|
data_buf = (uint8_t *)samples; |
|
ist->next_pts += ((int64_t)AV_TIME_BASE * data_size) / |
|
(2 * ist->st->codec.channels); |
|
break; |
|
case CODEC_TYPE_VIDEO: |
|
data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2; |
|
/* XXX: allocate picture correctly */ |
|
avcodec_get_frame_defaults(&picture); |
|
|
|
ret = avcodec_decode_video(&ist->st->codec, |
|
&picture, &got_picture, ptr, len); |
|
ist->st->quality= picture.quality; |
|
if (ret < 0) |
|
goto fail_decode; |
|
if (!got_picture) { |
|
/* no picture yet */ |
|
goto discard_packet; |
|
} |
|
if (ist->st->codec.frame_rate_base != 0) { |
|
ist->next_pts += ((int64_t)AV_TIME_BASE * |
|
ist->st->codec.frame_rate_base) / |
|
ist->st->codec.frame_rate; |
|
} |
|
len = 0; |
|
break; |
|
default: |
|
goto fail_decode; |
|
} |
|
} else { |
|
data_buf = ptr; |
|
data_size = len; |
|
ret = len; |
|
len = 0; |
|
} |
|
|
|
buffer_to_free = NULL; |
|
if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) { |
|
pre_process_video_frame(ist, (AVPicture *)&picture, |
|
&buffer_to_free); |
|
} |
|
|
|
/* frame rate emulation */ |
|
if (ist->st->codec.rate_emu) { |
|
int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate); |
|
int64_t now = av_gettime() - ist->start; |
|
if (pts > now) |
|
usleep(pts - now); |
|
|
|
ist->frame++; |
|
} |
|
|
|
#if 0 |
|
/* mpeg PTS deordering : if it is a P or I frame, the PTS |
|
is the one of the next displayed one */ |
|
/* XXX: add mpeg4 too ? */ |
|
if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) { |
|
if (ist->st->codec.pict_type != B_TYPE) { |
|
int64_t tmp; |
|
tmp = ist->last_ip_pts; |
|
ist->last_ip_pts = ist->frac_pts.val; |
|
ist->frac_pts.val = tmp; |
|
} |
|
} |
|
#endif |
|
/* if output time reached then transcode raw format, |
|
encode packets and output them */ |
|
if (start_time == 0 || ist->pts >= start_time) |
|
for(i=0;i<nb_ostreams;i++) { |
|
int frame_size; |
|
|
|
ost = ost_table[i]; |
|
if (ost->source_index == ist_index) { |
|
os = output_files[ost->file_index]; |
|
|
|
#if 0 |
|
printf("%d: got pts=%0.3f %0.3f\n", i, |
|
(double)pkt->pts / AV_TIME_BASE, |
|
((double)ist->pts / AV_TIME_BASE) - |
|
((double)ost->st->pts.val * os->pts_num / os->pts_den)); |
|
#endif |
|
/* set the input output pts pairs */ |
|
ost->sync_ipts = (double)ist->pts / AV_TIME_BASE; |
|
/* XXX: take into account the various fifos, |
|
in particular for audio */ |
|
ost->sync_opts = ost->st->pts.val; |
|
//printf("ipts=%lld sync_ipts=%f sync_opts=%lld pts.val=%lld pkt->pts=%lld\n", ist->pts, ost->sync_ipts, ost->sync_opts, ost->st->pts.val, pkt->pts); |
|
|
|
if (ost->encoding_needed) { |
|
switch(ost->st->codec.codec_type) { |
|
case CODEC_TYPE_AUDIO: |
|
do_audio_out(os, ost, ist, data_buf, data_size); |
|
break; |
|
case CODEC_TYPE_VIDEO: |
|
/* find an audio stream for synchro */ |
|
{ |
|
int i; |
|
AVOutputStream *audio_sync, *ost1; |
|
audio_sync = NULL; |
|
for(i=0;i<nb_ostreams;i++) { |
|
ost1 = ost_table[i]; |
|
if (ost1->file_index == ost->file_index && |
|
ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) { |
|
audio_sync = ost1; |
|
break; |
|
} |
|
} |
|
|
|
do_video_out(os, ost, ist, &picture, &frame_size, audio_sync); |
|
if (do_vstats && frame_size) |
|
do_video_stats(os, ost, frame_size); |
|
} |
|
break; |
|
default: |
|
av_abort(); |
|
} |
|
} else { |
|
AVFrame avframe; |
|
|
|
/* no reencoding needed : output the packet directly */ |
|
/* force the input stream PTS */ |
|
|
|
avcodec_get_frame_defaults(&avframe); |
|
ost->st->codec.coded_frame= &avframe; |
|
avframe.key_frame = pkt->flags & PKT_FLAG_KEY; |
|
|
|
av_write_frame(os, ost->index, data_buf, data_size); |
|
ost->st->codec.frame_number++; |
|
ost->frame_number++; |
|
} |
|
} |
|
} |
|
av_free(buffer_to_free); |
|
} |
|
discard_packet: |
|
return 0; |
|
fail_decode: |
|
return -1; |
|
} |
|
|
|
|
|
/* |
|
* The following code is the main loop of the file converter |
|
*/ |
|
static int av_encode(AVFormatContext **output_files, |
|
int nb_output_files, |
|
AVFormatContext **input_files, |
|
int nb_input_files, |
|
AVStreamMap *stream_maps, int nb_stream_maps) |
|
{ |
|
int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0; |
|
AVFormatContext *is, *os; |
|
AVCodecContext *codec, *icodec; |
|
AVOutputStream *ost, **ost_table = NULL; |
|
AVInputStream *ist, **ist_table = NULL; |
|
AVInputFile *file_table; |
|
AVFormatContext *stream_no_data; |
|
int key; |
|
|
|
file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile)); |
|
if (!file_table) |
|
goto fail; |
|
|
|
/* input stream init */ |
|
j = 0; |
|
for(i=0;i<nb_input_files;i++) { |
|
is = input_files[i]; |
|
file_table[i].ist_index = j; |
|
file_table[i].nb_streams = is->nb_streams; |
|
j += is->nb_streams; |
|
} |
|
nb_istreams = j; |
|
|
|
ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *)); |
|
if (!ist_table) |
|
goto fail; |
|
|
|
for(i=0;i<nb_istreams;i++) { |
|
ist = av_mallocz(sizeof(AVInputStream)); |
|
if (!ist) |
|
goto fail; |
|
ist_table[i] = ist; |
|
} |
|
j = 0; |
|
for(i=0;i<nb_input_files;i++) { |
|
is = input_files[i]; |
|
for(k=0;k<is->nb_streams;k++) { |
|
ist = ist_table[j++]; |
|
ist->st = is->streams[k]; |
|
ist->file_index = i; |
|
ist->index = k; |
|
ist->discard = 1; /* the stream is discarded by default |
|
(changed later) */ |
|
|
|
if (ist->st->codec.rate_emu) { |
|
ist->start = av_gettime(); |
|
ist->frame = 0; |
|
} |
|
} |
|
} |
|
|
|
/* output stream init */ |
|
nb_ostreams = 0; |
|
for(i=0;i<nb_output_files;i++) { |
|
os = output_files[i]; |
|
nb_ostreams += os->nb_streams; |
|
} |
|
if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) { |
|
fprintf(stderr, "Number of stream maps must match number of output streams\n"); |
|
exit(1); |
|
} |
|
|
|
/* Sanity check the mapping args -- do the input files & streams exist? */ |
|
for(i=0;i<nb_stream_maps;i++) { |
|
int fi = stream_maps[i].file_index; |
|
int si = stream_maps[i].stream_index; |
|
|
|
if (fi < 0 || fi > nb_input_files - 1 || |
|
si < 0 || si > file_table[fi].nb_streams - 1) { |
|
fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si); |
|
exit(1); |
|
} |
|
} |
|
|
|
ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams); |
|
if (!ost_table) |
|
goto fail; |
|
for(i=0;i<nb_ostreams;i++) { |
|
ost = av_mallocz(sizeof(AVOutputStream)); |
|
if (!ost) |
|
goto fail; |
|
ost_table[i] = ost; |
|
} |
|
|
|
n = 0; |
|
for(k=0;k<nb_output_files;k++) { |
|
os = output_files[k]; |
|
for(i=0;i<os->nb_streams;i++) { |
|
int found; |
|
ost = ost_table[n++]; |
|
ost->file_index = k; |
|
ost->index = i; |
|
ost->st = os->streams[i]; |
|
if (nb_stream_maps > 0) { |
|
ost->source_index = file_table[stream_maps[n-1].file_index].ist_index + |
|
stream_maps[n-1].stream_index; |
|
|
|
/* Sanity check that the stream types match */ |
|
if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) { |
|
fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n", |
|
stream_maps[n-1].file_index, stream_maps[n-1].stream_index, |
|
ost->file_index, ost->index); |
|
exit(1); |
|
} |
|
|
|
} else { |
|
/* get corresponding input stream index : we select the first one with the right type */ |
|
found = 0; |
|
for(j=0;j<nb_istreams;j++) { |
|
ist = ist_table[j]; |
|
if (ist->discard && |
|
ist->st->codec.codec_type == ost->st->codec.codec_type) { |
|
ost->source_index = j; |
|
found = 1; |
|
} |
|
} |
|
|
|
if (!found) { |
|
/* try again and reuse existing stream */ |
|
for(j=0;j<nb_istreams;j++) { |
|
ist = ist_table[j]; |
|
if (ist->st->codec.codec_type == ost->st->codec.codec_type) { |
|
ost->source_index = j; |
|
found = 1; |
|
} |
|
} |
|
if (!found) { |
|
fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n", |
|
ost->file_index, ost->index); |
|
exit(1); |
|
} |
|
} |
|
} |
|
ist = ist_table[ost->source_index]; |
|
ist->discard = 0; |
|
} |
|
} |
|
|
|
/* for each output stream, we compute the right encoding parameters */ |
|
for(i=0;i<nb_ostreams;i++) { |
|
ost = ost_table[i]; |
|
ist = ist_table[ost->source_index]; |
|
|
|
codec = &ost->st->codec; |
|
icodec = &ist->st->codec; |
|
|
|
if (ost->st->stream_copy) { |
|
/* if stream_copy is selected, no need to decode or encode */ |
|
codec->codec_id = icodec->codec_id; |
|
codec->codec_type = icodec->codec_type; |
|
codec->codec_tag = icodec->codec_tag; |
|
codec->bit_rate = icodec->bit_rate; |
|
switch(codec->codec_type) { |
|
case CODEC_TYPE_AUDIO: |
|
codec->sample_rate = icodec->sample_rate; |
|
codec->channels = icodec->channels; |
|
break; |
|
case CODEC_TYPE_VIDEO: |
|
codec->frame_rate = icodec->frame_rate; |
|
codec->frame_rate_base = icodec->frame_rate_base; |
|
codec->width = icodec->width; |
|
codec->height = icodec->height; |
|
break; |
|
default: |
|
av_abort(); |
|
} |
|
} else { |
|
switch(codec->codec_type) { |
|
case CODEC_TYPE_AUDIO: |
|
if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE)) |
|
goto fail; |
|
|
|
if (codec->channels == icodec->channels && |
|
codec->sample_rate == icodec->sample_rate) { |
|
ost->audio_resample = 0; |
|
} else { |
|
if (codec->channels != icodec->channels && |
|
icodec->codec_id == CODEC_ID_AC3) { |
|
/* Special case for 5:1 AC3 input */ |
|
/* and mono or stereo output */ |
|
/* Request specific number of channels */ |
|
icodec->channels = codec->channels; |
|
if (codec->sample_rate == icodec->sample_rate) |
|
ost->audio_resample = 0; |
|
else { |
|
ost->audio_resample = 1; |
|
ost->resample = audio_resample_init(codec->channels, icodec->channels, |
|
codec->sample_rate, |
|
icodec->sample_rate); |
|
if(!ost->resample) |
|
{ |
|
printf("Can't resample. Aborting.\n"); |
|
av_abort(); |
|
} |
|
} |
|
/* Request specific number of channels */ |
|
icodec->channels = codec->channels; |
|
} else { |
|
ost->audio_resample = 1; |
|
ost->resample = audio_resample_init(codec->channels, icodec->channels, |
|
codec->sample_rate, |
|
icodec->sample_rate); |
|
if(!ost->resample) |
|
{ |
|
printf("Can't resample. Aborting.\n"); |
|
av_abort(); |
|
} |
|
} |
|
} |
|
ist->decoding_needed = 1; |
|
ost->encoding_needed = 1; |
|
break; |
|
case CODEC_TYPE_VIDEO: |
|
if (codec->width == icodec->width && |
|
codec->height == icodec->height && |
|
frame_topBand == 0 && |
|
frame_bottomBand == 0 && |
|
frame_leftBand == 0 && |
|
frame_rightBand == 0) |
|
{ |
|
ost->video_resample = 0; |
|
ost->video_crop = 0; |
|
} else if ((codec->width == icodec->width - |
|
(frame_leftBand + frame_rightBand)) && |
|
(codec->height == icodec->height - |
|
(frame_topBand + frame_bottomBand))) |
|
{ |
|
ost->video_resample = 0; |
|
ost->video_crop = 1; |
|
ost->topBand = frame_topBand; |
|
ost->leftBand = frame_leftBand; |
|
} else { |
|
ost->video_resample = 1; |
|
ost->video_crop = 0; // cropping is handled as part of resample |
|
if( avpicture_alloc( &ost->pict_tmp, PIX_FMT_YUV420P, |
|
codec->width, codec->height ) ) |
|
goto fail; |
|
|
|
ost->img_resample_ctx = img_resample_full_init( |
|
ost->st->codec.width, ost->st->codec.height, |
|
ist->st->codec.width, ist->st->codec.height, |
|
frame_topBand, frame_bottomBand, |
|
frame_leftBand, frame_rightBand); |
|
} |
|
ost->encoding_needed = 1; |
|
ist->decoding_needed = 1; |
|
break; |
|
default: |
|
av_abort(); |
|
} |
|
/* two pass mode */ |
|
if (ost->encoding_needed && |
|
(codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) { |
|
char logfilename[1024]; |
|
FILE *f; |
|
int size; |
|
char *logbuffer; |
|
|
|
snprintf(logfilename, sizeof(logfilename), "%s-%d.log", |
|
pass_logfilename ? |
|
pass_logfilename : DEFAULT_PASS_LOGFILENAME, i); |
|
if (codec->flags & CODEC_FLAG_PASS1) { |
|
f = fopen(logfilename, "w"); |
|
if (!f) { |
|
perror(logfilename); |
|
exit(1); |
|
} |
|
ost->logfile = f; |
|
} else { |
|
/* read the log file */ |
|
f = fopen(logfilename, "r"); |
|
if (!f) { |
|
perror(logfilename); |
|
exit(1); |
|
} |
|
fseek(f, 0, SEEK_END); |
|
size = ftell(f); |
|
fseek(f, 0, SEEK_SET); |
|
logbuffer = av_malloc(size + 1); |
|
if (!logbuffer) { |
|
fprintf(stderr, "Could not allocate log buffer\n"); |
|
exit(1); |
|
} |
|
size = fread(logbuffer, 1, size, f); |
|
fclose(f); |
|
logbuffer[size] = '\0'; |
|
codec->stats_in = logbuffer; |
|
} |
|
} |
|
} |
|
} |
|
|
|
/* dump the file output parameters - cannot be done before in case |
|
of stream copy */ |
|
for(i=0;i<nb_output_files;i++) { |
|
dump_format(output_files[i], i, output_files[i]->filename, 1); |
|
} |
|
|
|
/* dump the stream mapping */ |
|
fprintf(stderr, "Stream mapping:\n"); |
|
for(i=0;i<nb_ostreams;i++) { |
|
ost = ost_table[i]; |
|
fprintf(stderr, " Stream #%d.%d -> #%d.%d\n", |
|
ist_table[ost->source_index]->file_index, |
|
ist_table[ost->source_index]->index, |
|
ost->file_index, |
|
ost->index); |
|
} |
|
|
|
/* open each encoder */ |
|
for(i=0;i<nb_ostreams;i++) { |
|
ost = ost_table[i]; |
|
if (ost->encoding_needed) { |
|
AVCodec *codec; |
|
codec = avcodec_find_encoder(ost->st->codec.codec_id); |
|
if (!codec) { |
|
fprintf(stderr, "Unsupported codec for output stream #%d.%d\n", |
|
ost->file_index, ost->index); |
|
exit(1); |
|
} |
|
if (avcodec_open(&ost->st->codec, codec) < 0) { |
|
fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n", |
|
ost->file_index, ost->index); |
|
exit(1); |
|
} |
|
} |
|
} |
|
|
|
/* open each decoder */ |
|
for(i=0;i<nb_istreams;i++) { |
|
ist = ist_table[i]; |
|
if (ist->decoding_needed) { |
|
AVCodec *codec; |
|
codec = avcodec_find_decoder(ist->st->codec.codec_id); |
|
if (!codec) { |
|
fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n", |
|
ist->st->codec.codec_id, ist->file_index, ist->index); |
|
exit(1); |
|
} |
|
if (avcodec_open(&ist->st->codec, codec) < 0) { |
|
fprintf(stderr, "Error while opening codec for input stream #%d.%d\n", |
|
ist->file_index, ist->index); |
|
exit(1); |
|
} |
|
//if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) |
|
// ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD; |
|
} |
|
} |
|
|
|
/* init pts */ |
|
for(i=0;i<nb_istreams;i++) { |
|
ist = ist_table[i]; |
|
is = input_files[ist->file_index]; |
|
ist->pts = 0; |
|
ist->next_pts = 0; |
|
} |
|
|
|
/* compute buffer size max (should use a complete heuristic) */ |
|
for(i=0;i<nb_input_files;i++) { |
|
file_table[i].buffer_size_max = 2048; |
|
} |
|
|
|
/* open files and write file headers */ |
|
for(i=0;i<nb_output_files;i++) { |
|
os = output_files[i]; |
|
if (av_write_header(os) < 0) { |
|
fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i); |
|
ret = -EINVAL; |
|
goto fail; |
|
} |
|
} |
|
|
|
#ifndef CONFIG_WIN32 |
|
if ( !using_stdin ) { |
|
fprintf(stderr, "Press [q] to stop encoding\n"); |
|
url_set_interrupt_cb(decode_interrupt_cb); |
|
} |
|
#endif |
|
term_init(); |
|
|
|
stream_no_data = 0; |
|
key = -1; |
|
|
|
for(; received_sigterm == 0;) { |
|
int file_index, ist_index; |
|
AVPacket pkt; |
|
double pts_min; |
|
|
|
redo: |
|
/* if 'q' pressed, exits */ |
|
if (!using_stdin) { |
|
if (q_pressed) |
|
break; |
|
/* read_key() returns 0 on EOF */ |
|
key = read_key(); |
|
if (key == 'q') |
|
break; |
|
} |
|
|
|
/* select the stream that we must read now by looking at the |
|
smallest output pts */ |
|
file_index = -1; |
|
pts_min = 1e10; |
|
for(i=0;i<nb_ostreams;i++) { |
|
double pts; |
|
ost = ost_table[i]; |
|
os = output_files[ost->file_index]; |
|
ist = ist_table[ost->source_index]; |
|
pts = (double)ost->st->pts.val * os->pts_num / os->pts_den; |
|
if (!file_table[ist->file_index].eof_reached && |
|
pts < pts_min) { |
|
pts_min = pts; |
|
file_index = ist->file_index; |
|
} |
|
} |
|
/* if none, if is finished */ |
|
if (file_index < 0) { |
|
break; |
|
} |
|
|
|
/* finish if recording time exhausted */ |
|
if (recording_time > 0 && pts_min >= (recording_time / 1000000.0)) |
|
break; |
|
|
|
/* read a frame from it and output it in the fifo */ |
|
is = input_files[file_index]; |
|
if (av_read_frame(is, &pkt) < 0) { |
|
file_table[file_index].eof_reached = 1; |
|
continue; |
|
} |
|
|
|
if (!pkt.size) { |
|
stream_no_data = is; |
|
} else { |
|
stream_no_data = 0; |
|
} |
|
if (do_pkt_dump) { |
|
av_pkt_dump(stdout, &pkt, do_hex_dump); |
|
} |
|
/* the following test is needed in case new streams appear |
|
dynamically in stream : we ignore them */ |
|
if (pkt.stream_index >= file_table[file_index].nb_streams) |
|
goto discard_packet; |
|
ist_index = file_table[file_index].ist_index + pkt.stream_index; |
|
ist = ist_table[ist_index]; |
|
if (ist->discard) |
|
goto discard_packet; |
|
|
|
//fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size); |
|
if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) { |
|
fprintf(stderr, "Error while decoding stream #%d.%d\n", |
|
ist->file_index, ist->index); |
|
av_free_packet(&pkt); |
|
goto redo; |
|
} |
|
|
|
discard_packet: |
|
av_free_packet(&pkt); |
|
|
|
/* dump report by using the output first video and audio streams */ |
|
print_report(output_files, ost_table, nb_ostreams, 0); |
|
} |
|
|
|
/* at the end of stream, we must flush the decoder buffers */ |
|
for(i=0;i<nb_istreams;i++) { |
|
ist = ist_table[i]; |
|
if (ist->decoding_needed) { |
|
output_packet(ist, i, ost_table, nb_ostreams, NULL); |
|
} |
|
} |
|
|
|
term_exit(); |
|
|
|
/* dump report by using the first video and audio streams */ |
|
print_report(output_files, ost_table, nb_ostreams, 1); |
|
|
|
/* write the trailer if needed and close file */ |
|
for(i=0;i<nb_output_files;i++) { |
|
os = output_files[i]; |
|
av_write_trailer(os); |
|
} |
|
|
|
/* close each encoder */ |
|
for(i=0;i<nb_ostreams;i++) { |
|
ost = ost_table[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_istreams;i++) { |
|
ist = ist_table[i]; |
|
if (ist->decoding_needed) { |
|
avcodec_close(&ist->st->codec); |
|
} |
|
} |
|
|
|
/* finished ! */ |
|
|
|
ret = 0; |
|
fail1: |
|
av_free(file_table); |
|
|
|
if (ist_table) { |
|
for(i=0;i<nb_istreams;i++) { |
|
ist = ist_table[i]; |
|
av_free(ist); |
|
} |
|
av_free(ist_table); |
|
} |
|
if (ost_table) { |
|
for(i=0;i<nb_ostreams;i++) { |
|
ost = ost_table[i]; |
|
if (ost) { |
|
if (ost->logfile) { |
|
fclose(ost->logfile); |
|
ost->logfile = NULL; |
|
} |
|
fifo_free(&ost->fifo); /* works even if fifo is not |
|
initialized but set to zero */ |
|
av_free(ost->pict_tmp.data[0]); |
|
if (ost->video_resample) |
|
img_resample_close(ost->img_resample_ctx); |
|
if (ost->audio_resample) |
|
audio_resample_close(ost->resample); |
|
av_free(ost); |
|
} |
|
} |
|
av_free(ost_table); |
|
} |
|
return ret; |
|
fail: |
|
ret = -ENOMEM; |
|
goto fail1; |
|
} |
|
|
|
#if 0 |
|
int file_read(const char *filename) |
|
{ |
|
URLContext *h; |
|
unsigned char buffer[1024]; |
|
int len, i; |
|
|
|
if (url_open(&h, filename, O_RDONLY) < 0) { |
|
printf("could not open '%s'\n", filename); |
|
return -1; |
|
} |
|
for(;;) { |
|
len = url_read(h, buffer, sizeof(buffer)); |
|
if (len <= 0) |
|
break; |
|
for(i=0;i<len;i++) putchar(buffer[i]); |
|
} |
|
url_close(h); |
|
return 0; |
|
} |
|
#endif |
|
|
|
static void opt_image_format(const char *arg) |
|
{ |
|
AVImageFormat *f; |
|
|
|
for(f = first_image_format; f != NULL; f = f->next) { |
|
if (!strcmp(arg, f->name)) |
|
break; |
|
} |
|
if (!f) { |
|
fprintf(stderr, "Unknown image format: '%s'\n", arg); |
|
exit(1); |
|
} |
|
image_format = f; |
|
} |
|
|
|
static void opt_format(const char *arg) |
|
{ |
|
/* compatibility stuff for pgmyuv */ |
|
if (!strcmp(arg, "pgmyuv")) { |
|
opt_image_format(arg); |
|
arg = "image"; |
|
} |
|
|
|
file_iformat = av_find_input_format(arg); |
|
file_oformat = guess_format(arg, NULL, NULL); |
|
if (!file_iformat && !file_oformat) { |
|
fprintf(stderr, "Unknown input or output format: %s\n", arg); |
|
exit(1); |
|
} |
|
} |
|
|
|
static void opt_video_bitrate(const char *arg) |
|
{ |
|
video_bit_rate = atoi(arg) * 1000; |
|
} |
|
|
|
static void opt_video_bitrate_tolerance(const char *arg) |
|
{ |
|
video_bit_rate_tolerance = atoi(arg) * 1000; |
|
} |
|
|
|
static void opt_video_bitrate_max(const char *arg) |
|
{ |
|
video_rc_max_rate = atoi(arg) * 1000; |
|
} |
|
|
|
static void opt_video_bitrate_min(const char *arg) |
|
{ |
|
video_rc_min_rate = atoi(arg) * 1000; |
|
} |
|
|
|
static void opt_video_buffer_size(const char *arg) |
|
{ |
|
video_rc_buffer_size = atoi(arg) * 8*1024; |
|
} |
|
|
|
static void opt_video_rc_eq(char *arg) |
|
{ |
|
video_rc_eq = arg; |
|
} |
|
|
|
static void opt_video_rc_override_string(char *arg) |
|
{ |
|
video_rc_override_string = arg; |
|
} |
|
|
|
|
|
static void opt_workaround_bugs(const char *arg) |
|
{ |
|
workaround_bugs = atoi(arg); |
|
} |
|
|
|
static void opt_dct_algo(const char *arg) |
|
{ |
|
dct_algo = atoi(arg); |
|
} |
|
|
|
static void opt_idct_algo(const char *arg) |
|
{ |
|
idct_algo = atoi(arg); |
|
} |
|
|
|
|
|
static void opt_error_resilience(const char *arg) |
|
{ |
|
error_resilience = atoi(arg); |
|
} |
|
|
|
static void opt_error_concealment(const char *arg) |
|
{ |
|
error_concealment = atoi(arg); |
|
} |
|
|
|
static void opt_debug(const char *arg) |
|
{ |
|
debug = atoi(arg); |
|
} |
|
|
|
static void opt_vismv(const char *arg) |
|
{ |
|
debug_mv = atoi(arg); |
|
} |
|
|
|
static void opt_verbose(const char *arg) |
|
{ |
|
verbose = atoi(arg); |
|
} |
|
|
|
static void opt_frame_rate(const char *arg) |
|
{ |
|
if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) { |
|
fprintf(stderr, "Incorrect frame rate\n"); |
|
exit(1); |
|
} |
|
} |
|
|
|
static void opt_frame_crop_top(const char *arg) |
|
{ |
|
frame_topBand = atoi(arg); |
|
if (frame_topBand < 0) { |
|
fprintf(stderr, "Incorrect top crop size\n"); |
|
exit(1); |
|
} |
|
if ((frame_topBand % 2) != 0) { |
|
fprintf(stderr, "Top crop size must be a multiple of 2\n"); |
|
exit(1); |
|
} |
|
if ((frame_topBand) >= frame_height){ |
|
fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n"); |
|
exit(1); |
|
} |
|
frame_height -= frame_topBand; |
|
} |
|
|
|
static void opt_frame_crop_bottom(const char *arg) |
|
{ |
|
frame_bottomBand = atoi(arg); |
|
if (frame_bottomBand < 0) { |
|
fprintf(stderr, "Incorrect bottom crop size\n"); |
|
exit(1); |
|
} |
|
if ((frame_bottomBand % 2) != 0) { |
|
fprintf(stderr, "Bottom crop size must be a multiple of 2\n"); |
|
exit(1); |
|
} |
|
if ((frame_bottomBand) >= frame_height){ |
|
fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n"); |
|
exit(1); |
|
} |
|
frame_height -= frame_bottomBand; |
|
} |
|
|
|
static void opt_frame_crop_left(const char *arg) |
|
{ |
|
frame_leftBand = atoi(arg); |
|
if (frame_leftBand < 0) { |
|
fprintf(stderr, "Incorrect left crop size\n"); |
|
exit(1); |
|
} |
|
if ((frame_leftBand % 2) != 0) { |
|
fprintf(stderr, "Left crop size must be a multiple of 2\n"); |
|
exit(1); |
|
} |
|
if ((frame_leftBand) >= frame_width){ |
|
fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n"); |
|
exit(1); |
|
} |
|
frame_width -= frame_leftBand; |
|
} |
|
|
|
static void opt_frame_crop_right(const char *arg) |
|
{ |
|
frame_rightBand = atoi(arg); |
|
if (frame_rightBand < 0) { |
|
fprintf(stderr, "Incorrect right crop size\n"); |
|
exit(1); |
|
} |
|
if ((frame_rightBand % 2) != 0) { |
|
fprintf(stderr, "Right crop size must be a multiple of 2\n"); |
|
exit(1); |
|
} |
|
if ((frame_rightBand) >= frame_width){ |
|
fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n"); |
|
exit(1); |
|
} |
|
frame_width -= frame_rightBand; |
|
} |
|
|
|
static void opt_frame_size(const char *arg) |
|
{ |
|
if (parse_image_size(&frame_width, &frame_height, arg) < 0) { |
|
fprintf(stderr, "Incorrect frame size\n"); |
|
exit(1); |
|
} |
|
if ((frame_width % 2) != 0 || (frame_height % 2) != 0) { |
|
fprintf(stderr, "Frame size must be a multiple of 2\n"); |
|
exit(1); |
|
} |
|
} |
|
|
|
static void opt_frame_pix_fmt(const char *arg) |
|
{ |
|
frame_pix_fmt = avcodec_get_pix_fmt(arg); |
|
} |
|
|
|
static void opt_frame_aspect_ratio(const char *arg) |
|
{ |
|
int x = 0, y = 0; |
|
double ar = 0; |
|
const char *p; |
|
|
|
p = strchr(arg, ':'); |
|
if (p) { |
|
x = strtol(arg, (char **)&arg, 10); |
|
if (arg == p) |
|
y = strtol(arg+1, (char **)&arg, 10); |
|
if (x > 0 && y > 0) |
|
ar = (double)x / (double)y; |
|
} else |
|
ar = strtod(arg, (char **)&arg); |
|
|
|
if (!ar) { |
|
fprintf(stderr, "Incorrect aspect ratio specification.\n"); |
|
exit(1); |
|
} |
|
frame_aspect_ratio = ar; |
|
} |
|
|
|
static void opt_gop_size(const char *arg) |
|
{ |
|
gop_size = atoi(arg); |
|
} |
|
|
|
static void opt_b_frames(const char *arg) |
|
{ |
|
b_frames = atoi(arg); |
|
if (b_frames > FF_MAX_B_FRAMES) { |
|
fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES); |
|
exit(1); |
|
} else if (b_frames < 1) { |
|
fprintf(stderr, "\nNumber of B frames must be higher than 0\n"); |
|
exit(1); |
|
} |
|
} |
|
|
|
static void opt_mb_decision(const char *arg) |
|
{ |
|
mb_decision = atoi(arg); |
|
} |
|
|
|
static void opt_mb_cmp(const char *arg) |
|
{ |
|
mb_cmp = atoi(arg); |
|
} |
|
|
|
static void opt_ildct_cmp(const char *arg) |
|
{ |
|
ildct_cmp = atoi(arg); |
|
} |
|
|
|
static void opt_sub_cmp(const char *arg) |
|
{ |
|
sub_cmp = atoi(arg); |
|
} |
|
|
|
static void opt_cmp(const char *arg) |
|
{ |
|
cmp = atoi(arg); |
|
} |
|
|
|
static void opt_pre_cmp(const char *arg) |
|
{ |
|
pre_cmp = atoi(arg); |
|
} |
|
|
|
static void opt_pre_me(const char *arg) |
|
{ |
|
pre_me = atoi(arg); |
|
} |
|
|
|
static void opt_lumi_mask(const char *arg) |
|
{ |
|
lumi_mask = atof(arg); |
|
} |
|
|
|
static void opt_dark_mask(const char *arg) |
|
{ |
|
dark_mask = atof(arg); |
|
} |
|
|
|
static void opt_scplx_mask(const char *arg) |
|
{ |
|
scplx_mask = atof(arg); |
|
} |
|
|
|
static void opt_tcplx_mask(const char *arg) |
|
{ |
|
tcplx_mask = atof(arg); |
|
} |
|
|
|
static void opt_p_mask(const char *arg) |
|
{ |
|
p_mask = atof(arg); |
|
} |
|
|
|
static void opt_qscale(const char *arg) |
|
{ |
|
video_qscale = atof(arg); |
|
if (video_qscale < 0.01 || |
|
video_qscale > 255) { |
|
fprintf(stderr, "qscale must be >= 0.01 and <= 255\n"); |
|
exit(1); |
|
} |
|
} |
|
|
|
static void opt_qmin(const char *arg) |
|
{ |
|
video_qmin = atoi(arg); |
|
if (video_qmin < 0 || |
|
video_qmin > 31) { |
|
fprintf(stderr, "qmin must be >= 1 and <= 31\n"); |
|
exit(1); |
|
} |
|
} |
|
|
|
static void opt_qmax(const char *arg) |
|
{ |
|
video_qmax = atoi(arg); |
|
if (video_qmax < 0 || |
|
video_qmax > 31) { |
|
fprintf(stderr, "qmax must be >= 1 and <= 31\n"); |
|
exit(1); |
|
} |
|
} |
|
|
|
static void opt_mb_qmin(const char *arg) |
|
{ |
|
video_mb_qmin = atoi(arg); |
|
if (video_mb_qmin < 0 || |
|
video_mb_qmin > 31) { |
|
fprintf(stderr, "qmin must be >= 1 and <= 31\n"); |
|
exit(1); |
|
} |
|
} |
|
|
|
static void opt_mb_qmax(const char *arg) |
|
{ |
|
video_mb_qmax = atoi(arg); |
|
if (video_mb_qmax < 0 || |
|
video_mb_qmax > 31) { |
|
fprintf(stderr, "qmax must be >= 1 and <= 31\n"); |
|
exit(1); |
|
} |
|
} |
|
|
|
static void opt_qdiff(const char *arg) |
|
{ |
|
video_qdiff = atoi(arg); |
|
if (video_qdiff < 0 || |
|
video_qdiff > 31) { |
|
fprintf(stderr, "qdiff must be >= 1 and <= 31\n"); |
|
exit(1); |
|
} |
|
} |
|
|
|
static void opt_qblur(const char *arg) |
|
{ |
|
video_qblur = atof(arg); |
|
} |
|
|
|
static void opt_qcomp(const char *arg) |
|
{ |
|
video_qcomp = atof(arg); |
|
} |
|
|
|
static void opt_rc_initial_cplx(const char *arg) |
|
{ |
|
video_rc_initial_cplx = atof(arg); |
|
} |
|
static void opt_b_qfactor(const char *arg) |
|
{ |
|
video_b_qfactor = atof(arg); |
|
} |
|
static void opt_i_qfactor(const char *arg) |
|
{ |
|
video_i_qfactor = atof(arg); |
|
} |
|
static void opt_b_qoffset(const char *arg) |
|
{ |
|
video_b_qoffset = atof(arg); |
|
} |
|
static void opt_i_qoffset(const char *arg) |
|
{ |
|
video_i_qoffset = atof(arg); |
|
} |
|
|
|
static void opt_ibias(const char *arg) |
|
{ |
|
video_intra_quant_bias = atoi(arg); |
|
} |
|
static void opt_pbias(const char *arg) |
|
{ |
|
video_inter_quant_bias = atoi(arg); |
|
} |
|
|
|
static void opt_packet_size(const char *arg) |
|
{ |
|
packet_size= atoi(arg); |
|
} |
|
|
|
static void opt_error_rate(const char *arg) |
|
{ |
|
error_rate= atoi(arg); |
|
} |
|
|
|
static void opt_strict(const char *arg) |
|
{ |
|
strict= atoi(arg); |
|
} |
|
|
|
static void opt_top_field_first(const char *arg) |
|
{ |
|
top_field_first= atoi(arg); |
|
} |
|
|
|
static void opt_noise_reduction(const char *arg) |
|
{ |
|
noise_reduction= atoi(arg); |
|
} |
|
|
|
static void opt_qns(const char *arg) |
|
{ |
|
qns= atoi(arg); |
|
} |
|
|
|
static void opt_sc_threshold(const char *arg) |
|
{ |
|
sc_threshold= atoi(arg); |
|
} |
|
|
|
static void opt_thread_count(const char *arg) |
|
{ |
|
thread_count= atoi(arg); |
|
#if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS) |
|
fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n"); |
|
#endif |
|
} |
|
|
|
static void opt_audio_bitrate(const char *arg) |
|
{ |
|
audio_bit_rate = atoi(arg) * 1000; |
|
} |
|
|
|
static void opt_audio_rate(const char *arg) |
|
{ |
|
audio_sample_rate = atoi(arg); |
|
} |
|
|
|
static void opt_audio_channels(const char *arg) |
|
{ |
|
audio_channels = atoi(arg); |
|
} |
|
|
|
static void opt_video_device(const char *arg) |
|
{ |
|
video_device = av_strdup(arg); |
|
} |
|
|
|
static void opt_video_channel(const char *arg) |
|
{ |
|
video_channel = strtol(arg, NULL, 0); |
|
} |
|
|
|
static void opt_video_standard(const char *arg) |
|
{ |
|
video_standard = av_strdup(arg); |
|
} |
|
|
|
static void opt_audio_device(const char *arg) |
|
{ |
|
audio_device = av_strdup(arg); |
|
} |
|
|
|
static void opt_dv1394(const char *arg) |
|
{ |
|
video_grab_format = "dv1394"; |
|
audio_grab_format = NULL; |
|
} |
|
|
|
static void opt_audio_codec(const char *arg) |
|
{ |
|
AVCodec *p; |
|
|
|
if (!strcmp(arg, "copy")) { |
|
audio_stream_copy = 1; |
|
} else { |
|
p = first_avcodec; |
|
while (p) { |
|
if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO) |
|
break; |
|
p = p->next; |
|
} |
|
if (p == NULL) { |
|
fprintf(stderr, "Unknown audio codec '%s'\n", arg); |
|
exit(1); |
|
} else { |
|
audio_codec_id = p->id; |
|
} |
|
} |
|
} |
|
|
|
static void add_frame_hooker(const char *arg) |
|
{ |
|
int argc = 0; |
|
char *argv[64]; |
|
int i; |
|
char *args = av_strdup(arg); |
|
|
|
using_vhook = 1; |
|
|
|
argv[0] = strtok(args, " "); |
|
while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) { |
|
} |
|
|
|
i = frame_hook_add(argc, argv); |
|
|
|
if (i != 0) { |
|
fprintf(stderr, "Failed to add video hook function: %s\n", arg); |
|
exit(1); |
|
} |
|
} |
|
|
|
const char *motion_str[] = { |
|
"zero", |
|
"full", |
|
"log", |
|
"phods", |
|
"epzs", |
|
"x1", |
|
NULL, |
|
}; |
|
|
|
static void opt_motion_estimation(const char *arg) |
|
{ |
|
const char **p; |
|
p = motion_str; |
|
for(;;) { |
|
if (!*p) { |
|
fprintf(stderr, "Unknown motion estimation method '%s'\n", arg); |
|
exit(1); |
|
} |
|
if (!strcmp(*p, arg)) |
|
break; |
|
p++; |
|
} |
|
me_method = (p - motion_str) + 1; |
|
} |
|
|
|
static void opt_video_codec(const char *arg) |
|
{ |
|
AVCodec *p; |
|
|
|
if (!strcmp(arg, "copy")) { |
|
video_stream_copy = 1; |
|
} else { |
|
p = first_avcodec; |
|
while (p) { |
|
if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO) |
|
break; |
|
p = p->next; |
|
} |
|
if (p == NULL) { |
|
fprintf(stderr, "Unknown video codec '%s'\n", arg); |
|
exit(1); |
|
} else { |
|
video_codec_id = p->id; |
|
} |
|
} |
|
} |
|
|
|
static void opt_map(const char *arg) |
|
{ |
|
AVStreamMap *m; |
|
const char *p; |
|
|
|
p = arg; |
|
m = &stream_maps[nb_stream_maps++]; |
|
|
|
m->file_index = strtol(arg, (char **)&p, 0); |
|
if (*p) |
|
p++; |
|
|
|
m->stream_index = strtol(p, (char **)&p, 0); |
|
} |
|
|
|
static void opt_recording_time(const char *arg) |
|
{ |
|
recording_time = parse_date(arg, 1); |
|
} |
|
|
|
static void opt_start_time(const char *arg) |
|
{ |
|
start_time = parse_date(arg, 1); |
|
} |
|
|
|
static void opt_input_file(const char *filename) |
|
{ |
|
AVFormatContext *ic; |
|
AVFormatParameters params, *ap = ¶ms; |
|
int err, i, ret, rfps, rfps_base; |
|
|
|
if (!strcmp(filename, "-")) |
|
filename = "pipe:"; |
|
|
|
using_stdin |= !strcmp(filename, "pipe:" ) || |
|
!strcmp( filename, "/dev/stdin" ); |
|
|
|
/* get default parameters from command line */ |
|
memset(ap, 0, sizeof(*ap)); |
|
ap->sample_rate = audio_sample_rate; |
|
ap->channels = audio_channels; |
|
ap->frame_rate = frame_rate; |
|
ap->frame_rate_base = frame_rate_base; |
|
ap->width = frame_width; |
|
ap->height = frame_height; |
|
ap->image_format = image_format; |
|
ap->pix_fmt = frame_pix_fmt; |
|
|
|
/* open the input file with generic libav function */ |
|
err = av_open_input_file(&ic, filename, file_iformat, 0, ap); |
|
if (err < 0) { |
|
print_error(filename, err); |
|
exit(1); |
|
} |
|
|
|
/* If not enough info to get the stream parameters, we decode the |
|
first frames to get it. (used in mpeg case for example) */ |
|
ret = av_find_stream_info(ic); |
|
if (ret < 0) { |
|
fprintf(stderr, "%s: could not find codec parameters\n", filename); |
|
exit(1); |
|
} |
|
|
|
/* if seeking requested, we execute it */ |
|
if (start_time != 0) { |
|
int64_t timestamp; |
|
|
|
timestamp = start_time; |
|
/* add the stream start time */ |
|
if (ic->start_time != AV_NOPTS_VALUE) |
|
timestamp += ic->start_time; |
|
ret = av_seek_frame(ic, -1, timestamp); |
|
if (ret < 0) { |
|
fprintf(stderr, "%s: could not seek to position %0.3f\n", |
|
filename, (double)timestamp / AV_TIME_BASE); |
|
} |
|
/* reset seek info */ |
|
start_time = 0; |
|
} |
|
|
|
/* update the current parameters so that they match the one of the input stream */ |
|
for(i=0;i<ic->nb_streams;i++) { |
|
AVCodecContext *enc = &ic->streams[i]->codec; |
|
#if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS) |
|
if(thread_count>1) |
|
avcodec_thread_init(enc, thread_count); |
|
#endif |
|
enc->thread_count= thread_count; |
|
switch(enc->codec_type) { |
|
case CODEC_TYPE_AUDIO: |
|
//fprintf(stderr, "\nInput Audio channels: %d", enc->channels); |
|
audio_channels = enc->channels; |
|
audio_sample_rate = enc->sample_rate; |
|
break; |
|
case CODEC_TYPE_VIDEO: |
|
frame_height = enc->height; |
|
frame_width = enc->width; |
|
frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height; |
|
frame_pix_fmt = enc->pix_fmt; |
|
rfps = ic->streams[i]->r_frame_rate; |
|
rfps_base = ic->streams[i]->r_frame_rate_base; |
|
enc->workaround_bugs = workaround_bugs; |
|
enc->error_resilience = error_resilience; |
|
enc->error_concealment = error_concealment; |
|
enc->idct_algo = idct_algo; |
|
enc->debug = debug; |
|
enc->debug_mv = debug_mv; |
|
if(bitexact) |
|
enc->flags|= CODEC_FLAG_BITEXACT; |
|
|
|
assert(enc->frame_rate_base == rfps_base); // should be true for now |
|
if (enc->frame_rate != rfps) { |
|
fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n", |
|
i, (float)enc->frame_rate / enc->frame_rate_base, |
|
(float)rfps / rfps_base); |
|
} |
|
/* update the current frame rate to match the stream frame rate */ |
|
frame_rate = rfps; |
|
frame_rate_base = rfps_base; |
|
|
|
enc->rate_emu = rate_emu; |
|
break; |
|
case CODEC_TYPE_DATA: |
|
break; |
|
default: |
|
av_abort(); |
|
} |
|
} |
|
|
|
input_files[nb_input_files] = ic; |
|
/* dump the file content */ |
|
dump_format(ic, nb_input_files, filename, 0); |
|
nb_input_files++; |
|
file_iformat = NULL; |
|
file_oformat = NULL; |
|
image_format = NULL; |
|
|
|
rate_emu = 0; |
|
} |
|
|
|
static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr) |
|
{ |
|
int has_video, has_audio, i, j; |
|
AVFormatContext *ic; |
|
|
|
has_video = 0; |
|
has_audio = 0; |
|
for(j=0;j<nb_input_files;j++) { |
|
ic = input_files[j]; |
|
for(i=0;i<ic->nb_streams;i++) { |
|
AVCodecContext *enc = &ic->streams[i]->codec; |
|
switch(enc->codec_type) { |
|
case CODEC_TYPE_AUDIO: |
|
has_audio = 1; |
|
break; |
|
case CODEC_TYPE_VIDEO: |
|
has_video = 1; |
|
break; |
|
default: |
|
av_abort(); |
|
} |
|
} |
|
} |
|
*has_video_ptr = has_video; |
|
*has_audio_ptr = has_audio; |
|
} |
|
|
|
static void opt_output_file(const char *filename) |
|
{ |
|
AVStream *st; |
|
AVFormatContext *oc; |
|
int use_video, use_audio, nb_streams, input_has_video, input_has_audio; |
|
int codec_id; |
|
AVFormatParameters params, *ap = ¶ms; |
|
|
|
if (!strcmp(filename, "-")) |
|
filename = "pipe:"; |
|
|
|
oc = av_alloc_format_context(); |
|
|
|
if (!file_oformat) { |
|
file_oformat = guess_format(NULL, filename, NULL); |
|
if (!file_oformat) { |
|
fprintf(stderr, "Unable for find a suitable output format for '%s'\n", |
|
filename); |
|
exit(1); |
|
} |
|
} |
|
|
|
oc->oformat = file_oformat; |
|
|
|
if (!strcmp(file_oformat->name, "ffm") && |
|
strstart(filename, "http:", NULL)) { |
|
/* special case for files sent to ffserver: we get the stream |
|
parameters from ffserver */ |
|
if (read_ffserver_streams(oc, filename) < 0) { |
|
fprintf(stderr, "Could not read stream parameters from '%s'\n", filename); |
|
exit(1); |
|
} |
|
} else { |
|
use_video = file_oformat->video_codec != CODEC_ID_NONE; |
|
use_audio = file_oformat->audio_codec != CODEC_ID_NONE; |
|
|
|
/* disable if no corresponding type found and at least one |
|
input file */ |
|
if (nb_input_files > 0) { |
|
check_audio_video_inputs(&input_has_video, &input_has_audio); |
|
if (!input_has_video) |
|
use_video = 0; |
|
if (!input_has_audio) |
|
use_audio = 0; |
|
} |
|
|
|
/* manual disable */ |
|
if (audio_disable) { |
|
use_audio = 0; |
|
} |
|
if (video_disable) { |
|
use_video = 0; |
|
} |
|
|
|
nb_streams = 0; |
|
if (use_video) { |
|
AVCodecContext *video_enc; |
|
|
|
st = av_mallocz(sizeof(AVStream)); |
|
if (!st) { |
|
fprintf(stderr, "Could not alloc stream\n"); |
|
exit(1); |
|
} |
|
avcodec_get_context_defaults(&st->codec); |
|
#if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS) |
|
if(thread_count>1) |
|
avcodec_thread_init(&st->codec, thread_count); |
|
#endif |
|
|
|
video_enc = &st->codec; |
|
|
|
if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp")) |
|
video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; |
|
if (video_stream_copy) { |
|
st->stream_copy = 1; |
|
video_enc->codec_type = CODEC_TYPE_VIDEO; |
|
} else { |
|
char *p; |
|
int i; |
|
|
|
codec_id = file_oformat->video_codec; |
|
if (video_codec_id != CODEC_ID_NONE) |
|
codec_id = video_codec_id; |
|
|
|
video_enc->codec_id = codec_id; |
|
|
|
video_enc->bit_rate = video_bit_rate; |
|
video_enc->bit_rate_tolerance = video_bit_rate_tolerance; |
|
video_enc->frame_rate = frame_rate; |
|
video_enc->frame_rate_base = frame_rate_base; |
|
|
|
video_enc->width = frame_width; |
|
video_enc->height = frame_height; |
|
video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255); |
|
video_enc->pix_fmt = frame_pix_fmt; |
|
|
|
if (!intra_only) |
|
video_enc->gop_size = gop_size; |
|
else |
|
video_enc->gop_size = 0; |
|
if (video_qscale || same_quality) { |
|
video_enc->flags |= CODEC_FLAG_QSCALE; |
|
st->quality = FF_QP2LAMBDA * video_qscale; |
|
} |
|
|
|
if(intra_matrix) |
|
video_enc->intra_matrix = intra_matrix; |
|
if(inter_matrix) |
|
video_enc->inter_matrix = inter_matrix; |
|
|
|
if(bitexact) |
|
video_enc->flags |= CODEC_FLAG_BITEXACT; |
|
|
|
video_enc->mb_decision = mb_decision; |
|
video_enc->mb_cmp = mb_cmp; |
|
video_enc->ildct_cmp = ildct_cmp; |
|
video_enc->me_sub_cmp = sub_cmp; |
|
video_enc->me_cmp = cmp; |
|
video_enc->me_pre_cmp = pre_cmp; |
|
video_enc->pre_me = pre_me; |
|
video_enc->lumi_masking = lumi_mask; |
|
video_enc->dark_masking = dark_mask; |
|
video_enc->spatial_cplx_masking = scplx_mask; |
|
video_enc->temporal_cplx_masking = tcplx_mask; |
|
video_enc->p_masking = p_mask; |
|
video_enc->quantizer_noise_shaping= qns; |
|
|
|
if (use_umv) { |
|
video_enc->flags |= CODEC_FLAG_H263P_UMV; |
|
} |
|
if (use_ss) { |
|
video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT; |
|
} |
|
if (use_aic) { |
|
video_enc->flags |= CODEC_FLAG_H263P_AIC; |
|
} |
|
if (use_aiv) { |
|
video_enc->flags |= CODEC_FLAG_H263P_AIV; |
|
} |
|
if (use_4mv) { |
|
video_enc->flags |= CODEC_FLAG_4MV; |
|
} |
|
if (use_obmc) { |
|
video_enc->flags |= CODEC_FLAG_OBMC; |
|
} |
|
|
|
if(use_part) { |
|
video_enc->flags |= CODEC_FLAG_PART; |
|
} |
|
if (use_alt_scan) { |
|
video_enc->flags |= CODEC_FLAG_ALT_SCAN; |
|
} |
|
if (use_trell) { |
|
video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT; |
|
} |
|
if (use_scan_offset) { |
|
video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET; |
|
} |
|
if (closed_gop) { |
|
video_enc->flags |= CODEC_FLAG_CLOSED_GOP; |
|
} |
|
if (b_frames) { |
|
video_enc->max_b_frames = b_frames; |
|
video_enc->b_frame_strategy = 0; |
|
video_enc->b_quant_factor = 2.0; |
|
} |
|
if (do_interlace_dct) { |
|
video_enc->flags |= CODEC_FLAG_INTERLACED_DCT; |
|
} |
|
if (do_interlace_me) { |
|
video_enc->flags |= CODEC_FLAG_INTERLACED_ME; |
|
} |
|
video_enc->qmin = video_qmin; |
|
video_enc->qmax = video_qmax; |
|
video_enc->mb_qmin = video_mb_qmin; |
|
video_enc->mb_qmax = video_mb_qmax; |
|
video_enc->max_qdiff = video_qdiff; |
|
video_enc->qblur = video_qblur; |
|
video_enc->qcompress = video_qcomp; |
|
video_enc->rc_eq = video_rc_eq; |
|
video_enc->debug = debug; |
|
video_enc->debug_mv = debug_mv; |
|
video_enc->thread_count = thread_count; |
|
p= video_rc_override_string; |
|
for(i=0; p; i++){ |
|
int start, end, q; |
|
int e=sscanf(p, "%d,%d,%d", &start, &end, &q); |
|
if(e!=3){ |
|
fprintf(stderr, "error parsing rc_override\n"); |
|
exit(1); |
|
} |
|
video_enc->rc_override= |
|
av_realloc(video_enc->rc_override, |
|
sizeof(RcOverride)*(i+1)); |
|
video_enc->rc_override[i].start_frame= start; |
|
video_enc->rc_override[i].end_frame = end; |
|
if(q>0){ |
|
video_enc->rc_override[i].qscale= q; |
|
video_enc->rc_override[i].quality_factor= 1.0; |
|
} |
|
else{ |
|
video_enc->rc_override[i].qscale= 0; |
|
video_enc->rc_override[i].quality_factor= -q/100.0; |
|
} |
|
p= strchr(p, '/'); |
|
if(p) p++; |
|
} |
|
video_enc->rc_override_count=i; |
|
|
|
video_enc->rc_max_rate = video_rc_max_rate; |
|
video_enc->rc_min_rate = video_rc_min_rate; |
|
video_enc->rc_buffer_size = video_rc_buffer_size; |
|
video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity; |
|
video_enc->rc_initial_cplx= video_rc_initial_cplx; |
|
video_enc->i_quant_factor = video_i_qfactor; |
|
video_enc->b_quant_factor = video_b_qfactor; |
|
video_enc->i_quant_offset = video_i_qoffset; |
|
video_enc->b_quant_offset = video_b_qoffset; |
|
video_enc->intra_quant_bias = video_intra_quant_bias; |
|
video_enc->inter_quant_bias = video_inter_quant_bias; |
|
video_enc->dct_algo = dct_algo; |
|
video_enc->idct_algo = idct_algo; |
|
video_enc->strict_std_compliance = strict; |
|
video_enc->error_rate = error_rate; |
|
video_enc->noise_reduction= noise_reduction; |
|
video_enc->scenechange_threshold= sc_threshold; |
|
if(packet_size){ |
|
video_enc->rtp_mode= 1; |
|
video_enc->rtp_payload_size= packet_size; |
|
} |
|
|
|
if (do_psnr) |
|
video_enc->flags|= CODEC_FLAG_PSNR; |
|
|
|
video_enc->me_method = me_method; |
|
|
|
/* two pass mode */ |
|
if (do_pass) { |
|
if (do_pass == 1) { |
|
video_enc->flags |= CODEC_FLAG_PASS1; |
|
} else { |
|
video_enc->flags |= CODEC_FLAG_PASS2; |
|
} |
|
} |
|
} |
|
oc->streams[nb_streams] = st; |
|
nb_streams++; |
|
} |
|
|
|
if (use_audio) { |
|
AVCodecContext *audio_enc; |
|
|
|
st = av_mallocz(sizeof(AVStream)); |
|
if (!st) { |
|
fprintf(stderr, "Could not alloc stream\n"); |
|
exit(1); |
|
} |
|
avcodec_get_context_defaults(&st->codec); |
|
#if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS) |
|
if(thread_count>1) |
|
avcodec_thread_init(&st->codec, thread_count); |
|
#endif |
|
|
|
audio_enc = &st->codec; |
|
audio_enc->codec_type = CODEC_TYPE_AUDIO; |
|
|
|
if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp")) |
|
audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; |
|
if (audio_stream_copy) { |
|
st->stream_copy = 1; |
|
} else { |
|
codec_id = file_oformat->audio_codec; |
|
if (audio_codec_id != CODEC_ID_NONE) |
|
codec_id = audio_codec_id; |
|
audio_enc->codec_id = codec_id; |
|
|
|
audio_enc->bit_rate = audio_bit_rate; |
|
audio_enc->sample_rate = audio_sample_rate; |
|
audio_enc->strict_std_compliance = strict; |
|
audio_enc->thread_count = thread_count; |
|
/* For audio codecs other than AC3 we limit */ |
|
/* the number of coded channels to stereo */ |
|
if (audio_channels > 2 && codec_id != CODEC_ID_AC3) { |
|
audio_enc->channels = 2; |
|
} else |
|
audio_enc->channels = audio_channels; |
|
} |
|
oc->streams[nb_streams] = st; |
|
nb_streams++; |
|
} |
|
|
|
oc->nb_streams = nb_streams; |
|
|
|
if (!nb_streams) { |
|
fprintf(stderr, "No audio or video streams available\n"); |
|
exit(1); |
|
} |
|
|
|
if (str_title) |
|
pstrcpy(oc->title, sizeof(oc->title), str_title); |
|
if (str_author) |
|
pstrcpy(oc->author, sizeof(oc->author), str_author); |
|
if (str_copyright) |
|
pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright); |
|
if (str_comment) |
|
pstrcpy(oc->comment, sizeof(oc->comment), str_comment); |
|
} |
|
|
|
output_files[nb_output_files++] = oc; |
|
|
|
strcpy(oc->filename, filename); |
|
|
|
/* check filename in case of an image number is expected */ |
|
if (oc->oformat->flags & AVFMT_NEEDNUMBER) { |
|
if (filename_number_test(oc->filename) < 0) { |
|
print_error(oc->filename, AVERROR_NUMEXPECTED); |
|
exit(1); |
|
} |
|
} |
|
|
|
if (!(oc->oformat->flags & AVFMT_NOFILE)) { |
|
/* test if it already exists to avoid loosing precious files */ |
|
if (!file_overwrite && |
|
(strchr(filename, ':') == NULL || |
|
strstart(filename, "file:", NULL))) { |
|
if (url_exist(filename)) { |
|
int c; |
|
|
|
if ( !using_stdin ) { |
|
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename); |
|
fflush(stderr); |
|
c = getchar(); |
|
if (toupper(c) != 'Y') { |
|
fprintf(stderr, "Not overwriting - exiting\n"); |
|
exit(1); |
|
} |
|
} |
|
else { |
|
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename); |
|
exit(1); |
|
} |
|
} |
|
} |
|
|
|
/* open the file */ |
|
if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) { |
|
fprintf(stderr, "Could not open '%s'\n", filename); |
|
exit(1); |
|
} |
|
} |
|
|
|
memset(ap, 0, sizeof(*ap)); |
|
ap->image_format = image_format; |
|
if (av_set_parameters(oc, ap) < 0) { |
|
fprintf(stderr, "%s: Invalid encoding parameters\n", |
|
oc->filename); |
|
exit(1); |
|
} |
|
|
|
/* reset some options */ |
|
file_oformat = NULL; |
|
file_iformat = NULL; |
|
image_format = NULL; |
|
audio_disable = 0; |
|
video_disable = 0; |
|
audio_codec_id = CODEC_ID_NONE; |
|
video_codec_id = CODEC_ID_NONE; |
|
audio_stream_copy = 0; |
|
video_stream_copy = 0; |
|
} |
|
|
|
/* prepare dummy protocols for grab */ |
|
static void prepare_grab(void) |
|
{ |
|
int has_video, has_audio, i, j; |
|
AVFormatContext *oc; |
|
AVFormatContext *ic; |
|
AVFormatParameters vp1, *vp = &vp1; |
|
AVFormatParameters ap1, *ap = &ap1; |
|
|
|
/* see if audio/video inputs are needed */ |
|
has_video = 0; |
|
has_audio = 0; |
|
memset(ap, 0, sizeof(*ap)); |
|
memset(vp, 0, sizeof(*vp)); |
|
for(j=0;j<nb_output_files;j++) { |
|
oc = output_files[j]; |
|
for(i=0;i<oc->nb_streams;i++) { |
|
AVCodecContext *enc = &oc->streams[i]->codec; |
|
switch(enc->codec_type) { |
|
case CODEC_TYPE_AUDIO: |
|
if (enc->sample_rate > ap->sample_rate) |
|
ap->sample_rate = enc->sample_rate; |
|
if (enc->channels > ap->channels) |
|
ap->channels = enc->channels; |
|
has_audio = 1; |
|
break; |
|
case CODEC_TYPE_VIDEO: |
|
if (enc->width > vp->width) |
|
vp->width = enc->width; |
|
if (enc->height > vp->height) |
|
vp->height = enc->height; |
|
|
|
assert(enc->frame_rate_base == DEFAULT_FRAME_RATE_BASE); |
|
if (enc->frame_rate > vp->frame_rate){ |
|
vp->frame_rate = enc->frame_rate; |
|
vp->frame_rate_base = enc->frame_rate_base; |
|
} |
|
has_video = 1; |
|
break; |
|
default: |
|
av_abort(); |
|
} |
|
} |
|
} |
|
|
|
if (has_video == 0 && has_audio == 0) { |
|
fprintf(stderr, "Output file must have at least one audio or video stream\n"); |
|
exit(1); |
|
} |
|
|
|
if (has_video) { |
|
AVInputFormat *fmt1; |
|
fmt1 = av_find_input_format(video_grab_format); |
|
vp->device = video_device; |
|
vp->channel = video_channel; |
|
vp->standard = video_standard; |
|
if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) { |
|
fprintf(stderr, "Could not find video grab device\n"); |
|
exit(1); |
|
} |
|
/* If not enough info to get the stream parameters, we decode the |
|
first frames to get it. */ |
|
if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) { |
|
fprintf(stderr, "Could not find video grab parameters\n"); |
|
exit(1); |
|
} |
|
/* by now video grab has one stream */ |
|
ic->streams[0]->r_frame_rate = vp->frame_rate; |
|
ic->streams[0]->r_frame_rate_base = vp->frame_rate_base; |
|
input_files[nb_input_files] = ic; |
|
dump_format(ic, nb_input_files, "", 0); |
|
nb_input_files++; |
|
} |
|
if (has_audio && audio_grab_format) { |
|
AVInputFormat *fmt1; |
|
fmt1 = av_find_input_format(audio_grab_format); |
|
ap->device = audio_device; |
|
if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) { |
|
fprintf(stderr, "Could not find audio grab device\n"); |
|
exit(1); |
|
} |
|
input_files[nb_input_files] = ic; |
|
dump_format(ic, nb_input_files, "", 0); |
|
nb_input_files++; |
|
} |
|
} |
|
|
|
/* same option as mencoder */ |
|
static void opt_pass(const char *pass_str) |
|
{ |
|
int pass; |
|
pass = atoi(pass_str); |
|
if (pass != 1 && pass != 2) { |
|
fprintf(stderr, "pass number can be only 1 or 2\n"); |
|
exit(1); |
|
} |
|
do_pass = pass; |
|
} |
|
|
|
#if defined(CONFIG_WIN32) || defined(CONFIG_OS2) |
|
static int64_t getutime(void) |
|
{ |
|
return av_gettime(); |
|
} |
|
#else |
|
static int64_t getutime(void) |
|
{ |
|
struct rusage rusage; |
|
|
|
getrusage(RUSAGE_SELF, &rusage); |
|
return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec; |
|
} |
|
#endif |
|
|
|
extern int ffm_nopts; |
|
|
|
static void opt_bitexact(void) |
|
{ |
|
bitexact=1; |
|
/* disable generate of real time pts in ffm (need to be supressed anyway) */ |
|
ffm_nopts = 1; |
|
} |
|
|
|
static void show_formats(void) |
|
{ |
|
AVInputFormat *ifmt; |
|
AVOutputFormat *ofmt; |
|
AVImageFormat *image_fmt; |
|
URLProtocol *up; |
|
AVCodec *p, *p2; |
|
const char **pp, *last_name; |
|
|
|
printf("File formats:\n"); |
|
last_name= "000"; |
|
for(;;){ |
|
int decode=0; |
|
int encode=0; |
|
const char *name=NULL; |
|
|
|
for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) { |
|
if((name == NULL || strcmp(ofmt->name, name)<0) && |
|
strcmp(ofmt->name, last_name)>0){ |
|
name= ofmt->name; |
|
encode=1; |
|
} |
|
} |
|
for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) { |
|
if((name == NULL || strcmp(ifmt->name, name)<0) && |
|
strcmp(ifmt->name, last_name)>0){ |
|
name= ifmt->name; |
|
encode=0; |
|
} |
|
if(name && strcmp(ifmt->name, name)==0) |
|
decode=1; |
|
} |
|
if(name==NULL) |
|
break; |
|
last_name= name; |
|
|
|
printf( |
|
" %s%s %s\n", |
|
decode ? "D":" ", |
|
encode ? "E":" ", |
|
name); |
|
} |
|
printf("\n"); |
|
|
|
printf("Image formats:\n"); |
|
for(image_fmt = first_image_format; image_fmt != NULL; |
|
image_fmt = image_fmt->next) { |
|
printf( |
|
" %s%s %s\n", |
|
image_fmt->img_read ? "D":" ", |
|
image_fmt->img_write ? "E":" ", |
|
image_fmt->name); |
|
} |
|
printf("\n"); |
|
|
|
printf("Codecs:\n"); |
|
last_name= "000"; |
|
for(;;){ |
|
int decode=0; |
|
int encode=0; |
|
int cap=0; |
|
|
|
p2=NULL; |
|
for(p = first_avcodec; p != NULL; p = p->next) { |
|
if((p2==NULL || strcmp(p->name, p2->name)<0) && |
|
strcmp(p->name, last_name)>0){ |
|
p2= p; |
|
decode= encode= cap=0; |
|
} |
|
if(p2 && strcmp(p->name, p2->name)==0){ |
|
if(p->decode) decode=1; |
|
if(p->encode) encode=1; |
|
cap |= p->capabilities; |
|
} |
|
} |
|
if(p2==NULL) |
|
break; |
|
last_name= p2->name; |
|
|
|
printf( |
|
" %s%s%s%s%s%s %s", |
|
decode ? "D": (/*p2->decoder ? "d":*/" "), |
|
encode ? "E":" ", |
|
p2->type == CODEC_TYPE_AUDIO ? "A":"V", |
|
cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ", |
|
cap & CODEC_CAP_DR1 ? "D":" ", |
|
cap & CODEC_CAP_TRUNCATED ? "T":" ", |
|
p2->name); |
|
/* if(p2->decoder && decode==0) |
|
printf(" use %s for decoding", p2->decoder->name);*/ |
|
printf("\n"); |
|
} |
|
printf("\n"); |
|
|
|
printf("Supported file protocols:\n"); |
|
for(up = first_protocol; up != NULL; up = up->next) |
|
printf(" %s:", up->name); |
|
printf("\n"); |
|
|
|
printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n"); |
|
printf("Motion estimation methods:\n"); |
|
pp = motion_str; |
|
while (*pp) { |
|
printf(" %s", *pp); |
|
if ((pp - motion_str + 1) == ME_ZERO) |
|
printf("(fastest)"); |
|
else if ((pp - motion_str + 1) == ME_FULL) |
|
printf("(slowest)"); |
|
else if ((pp - motion_str + 1) == ME_EPZS) |
|
printf("(default)"); |
|
pp++; |
|
} |
|
printf("\n\n"); |
|
printf( |
|
"Note, the names of encoders and decoders dont always match, so there are\n" |
|
"several cases where the above table shows encoder only or decoder only entries\n" |
|
"even though both encoding and decoding are supported for example, the h263\n" |
|
"decoder corresponds to the h263 and h263p encoders, for file formats its even\n" |
|
"worse\n"); |
|
exit(1); |
|
} |
|
|
|
void parse_matrix_coeffs(uint16_t *dest, const char *str) |
|
{ |
|
int i; |
|
const char *p = str; |
|
for(i = 0;; i++) { |
|
dest[i] = atoi(p); |
|
if(i == 63) |
|
break; |
|
p = strchr(p, ','); |
|
if(!p) { |
|
fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i); |
|
exit(1); |
|
} |
|
p++; |
|
} |
|
} |
|
|
|
void opt_inter_matrix(const char *arg) |
|
{ |
|
inter_matrix = av_mallocz(sizeof(uint16_t) * 64); |
|
parse_matrix_coeffs(inter_matrix, arg); |
|
} |
|
|
|
void opt_intra_matrix(const char *arg) |
|
{ |
|
intra_matrix = av_mallocz(sizeof(uint16_t) * 64); |
|
parse_matrix_coeffs(intra_matrix, arg); |
|
} |
|
|
|
static void opt_target(const char *arg) |
|
{ |
|
int norm = -1; |
|
|
|
if(!strncmp(arg, "pal-", 4)) { |
|
norm = 0; |
|
arg += 4; |
|
} else if(!strncmp(arg, "ntsc-", 5)) { |
|
norm = 1; |
|
arg += 5; |
|
} else { |
|
int fr; |
|
/* Calculate FR via float to avoid int overflow */ |
|
fr = (int)(frame_rate * 1000.0 / frame_rate_base); |
|
if(fr == 25000) { |
|
norm = 0; |
|
} else if((fr == 29970) || (fr == 23976)) { |
|
norm = 1; |
|
} else { |
|
/* Try to determine PAL/NTSC by peeking in the input files */ |
|
if(nb_input_files) { |
|
int i, j; |
|
for(j = 0; j < nb_input_files; j++) { |
|
for(i = 0; i < input_files[j]->nb_streams; i++) { |
|
AVCodecContext *c = &input_files[j]->streams[i]->codec; |
|
if(c->codec_type != CODEC_TYPE_VIDEO) |
|
continue; |
|
fr = c->frame_rate * 1000 / c->frame_rate_base; |
|
if(fr == 25000) { |
|
norm = 0; |
|
break; |
|
} else if((fr == 29970) || (fr == 23976)) { |
|
norm = 1; |
|
break; |
|
} |
|
} |
|
if(norm >= 0) |
|
break; |
|
} |
|
} |
|
} |
|
if(verbose && norm >= 0) |
|
printf("Assuming %s for target.\n", norm ? "NTSC" : "PAL"); |
|
} |
|
|
|
if(norm < 0) { |
|
fprintf(stderr, "Could not determine norm (PAL/NTSC) for target.\n"); |
|
fprintf(stderr, "Please prefix target with \"pal-\" or \"ntsc-\",\n"); |
|
fprintf(stderr, "or set a framerate with \"-r xxx\".\n"); |
|
exit(1); |
|
} |
|
|
|
if(!strcmp(arg, "vcd")) { |
|
|
|
opt_video_codec("mpeg1video"); |
|
opt_audio_codec("mp2"); |
|
opt_format("vcd"); |
|
|
|
opt_frame_size(norm ? "352x240" : "352x288"); |
|
|
|
video_bit_rate = 1150000; |
|
video_rc_max_rate = 1150000; |
|
video_rc_min_rate = 1150000; |
|
video_rc_buffer_size = 40*1024*8; |
|
|
|
audio_bit_rate = 224000; |
|
audio_sample_rate = 44100; |
|
|
|
} else if(!strcmp(arg, "svcd")) { |
|
|
|
opt_video_codec("mpeg2video"); |
|
opt_audio_codec("mp2"); |
|
opt_format("svcd"); |
|
|
|
opt_frame_size(norm ? "480x480" : "480x576"); |
|
opt_gop_size(norm ? "18" : "15"); |
|
|
|
video_bit_rate = 2040000; |
|
video_rc_max_rate = 2516000; |
|
video_rc_min_rate = 0; //1145000; |
|
video_rc_buffer_size = 224*1024*8; |
|
use_scan_offset = 1; |
|
|
|
audio_bit_rate = 224000; |
|
audio_sample_rate = 44100; |
|
|
|
} else if(!strcmp(arg, "dvd")) { |
|
|
|
opt_video_codec("mpeg2video"); |
|
opt_audio_codec("ac3"); |
|
opt_format("vob"); |
|
|
|
opt_frame_size(norm ? "720x480" : "720x576"); |
|
opt_gop_size(norm ? "18" : "15"); |
|
|
|
video_bit_rate = 6000000; |
|
video_rc_max_rate = 9000000; |
|
video_rc_min_rate = 0; //1500000; |
|
video_rc_buffer_size = 224*1024*8; |
|
|
|
audio_bit_rate = 448000; |
|
audio_sample_rate = 48000; |
|
|
|
} else { |
|
fprintf(stderr, "Unknown target: %s\n", arg); |
|
exit(1); |
|
} |
|
} |
|
|
|
const OptionDef options[] = { |
|
/* main options */ |
|
{ "L", 0, {(void*)show_license}, "show license" }, |
|
{ "h", 0, {(void*)show_help}, "show help" }, |
|
{ "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." }, |
|
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" }, |
|
{ "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" }, |
|
{ "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" }, |
|
{ "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" }, |
|
{ "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" }, |
|
{ "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" }, |
|
{ "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" }, |
|
{ "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" }, |
|
{ "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" }, |
|
{ "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" }, |
|
{ "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" }, |
|
{ "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" }, |
|
{ "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" }, |
|
{ "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark}, |
|
"add timings for benchmarking" }, |
|
{ "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump}, |
|
"dump each input packet" }, |
|
{ "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump}, |
|
"when dumping packets, also dump the payload" }, |
|
{ "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" }, |
|
{ "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" }, |
|
{ "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" }, |
|
{ "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" }, |
|
{ "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\" or \"dvd\")", "type" }, |
|
{ "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" }, |
|
|
|
/* video options */ |
|
{ "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" }, |
|
{ "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" }, |
|
{ "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" }, |
|
{ "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" }, |
|
{ "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" }, |
|
{ "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" }, |
|
{ "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" }, |
|
{ "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" }, |
|
{ "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" }, |
|
{ "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" }, |
|
{ "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"}, |
|
{ "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" }, |
|
{ "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" }, |
|
{ "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" }, |
|
{ "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" }, |
|
{ "mbqmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" }, |
|
{ "mbqmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" }, |
|
{ "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" }, |
|
{ "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" }, |
|
{ "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" }, |
|
{ "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" }, |
|
{ "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" }, |
|
{ "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" }, |
|
{ "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" }, |
|
{ "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" }, |
|
{ "ibias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ibias}, "intra quant bias", "bias" }, |
|
{ "pbias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pbias}, "inter quant bias", "bias" }, |
|
// { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" }, |
|
{ "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" }, |
|
{ "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" }, |
|
{ "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" }, |
|
{ "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" }, |
|
{ "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" }, |
|
{ "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kByte)", "size" }, |
|
{ "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" }, |
|
{ "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method", |
|
"method" }, |
|
{ "dct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dct_algo}, "set dct algo", "algo" }, |
|
{ "idct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_idct_algo}, "set idct algo", "algo" }, |
|
{ "er", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_resilience}, "set error resilience", "n" }, |
|
{ "ec", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_concealment}, "set error concealment", "bit_mask" }, |
|
{ "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" }, |
|
{ "hq", OPT_BOOL, {(void*)&mb_decision}, "activate high quality settings" }, |
|
{ "mbd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_decision}, "macroblock decision", "mode" }, |
|
{ "mbcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_cmp}, "macroblock compare function", "cmp function" }, |
|
{ "ildctcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ildct_cmp}, "ildct compare function", "cmp function" }, |
|
{ "subcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sub_cmp}, "subpel compare function", "cmp function" }, |
|
{ "cmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_cmp}, "fullpel compare function", "cmp function" }, |
|
{ "precmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pre_cmp}, "pre motion estimation compare function", "cmp function" }, |
|
{ "preme", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pre_me}, "pre motion estimation", "" }, |
|
{ "lumi_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lumi_mask}, "luminance masking", "" }, |
|
{ "dark_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dark_mask}, "darkness masking", "" }, |
|
{ "scplx_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_scplx_mask}, "spatial complexity masking", "" }, |
|
{ "tcplx_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_tcplx_mask}, "teporal complexity masking", "" }, |
|
{ "p_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_p_mask}, "inter masking", "" }, |
|
{ "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (MPEG4)" }, |
|
{ "obmc", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_obmc}, "use overlapped block motion compensation (h263+)" }, |
|
{ "part", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_part}, "use data partitioning (MPEG4)" }, |
|
{ "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" }, |
|
{ "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" }, |
|
{ "error", HAS_ARG | OPT_EXPERT, {(void*)opt_error_rate}, "error rate", "rate" }, |
|
{ "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standarts", "strictness" }, |
|
{ "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality}, |
|
"use same video quality as source (implies VBR)" }, |
|
{ "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" }, |
|
{ "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" }, |
|
{ "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace}, |
|
"deinterlace pictures" }, |
|
{ "ildct", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_dct}, |
|
"force interlaced dct support in encoder (MPEG2/MPEG4)" }, |
|
{ "ilme", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_me}, |
|
"force interlaced me support in encoder (MPEG2/MPEG4)" }, |
|
{ "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" }, |
|
{ "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" }, |
|
{ "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" }, |
|
{ "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" }, |
|
{ "aiv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aiv}, "enable Alternative inter vlc (h263+)" }, |
|
{ "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" }, |
|
{ "ssm", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_ss}, "enable Slice Structured mode (h263+)" }, |
|
{ "alt", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_alt_scan}, "enable alternate scantable (MPEG2/MPEG4)" }, |
|
{ "trell", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_trell}, "enable trellis quantization" }, |
|
{ "cgop", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&closed_gop}, "closed gop" }, |
|
{ "scan_offset", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_scan_offset}, "enable SVCD Scan Offset placeholder" }, |
|
{ "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" }, |
|
{ "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" }, |
|
{ "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" }, |
|
{ "nr", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_noise_reduction}, "noise reduction", "" }, |
|
{ "qns", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qns}, "quantization noise shaping", "" }, |
|
{ "sc_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sc_threshold}, "scene change threshold", "threshold" }, |
|
|
|
/* audio options */ |
|
{ "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", }, |
|
{ "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" }, |
|
{ "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" }, |
|
{ "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" }, |
|
{ "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" }, |
|
|
|
/* grab options */ |
|
{ "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" }, |
|
{ "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" }, |
|
{ "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" }, |
|
{ "dv1394", OPT_EXPERT | OPT_GRAB, {(void*)opt_dv1394}, "set DV1394 grab", "" }, |
|
{ "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" }, |
|
{ NULL, }, |
|
}; |
|
|
|
static void show_banner(void) |
|
{ |
|
printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n"); |
|
} |
|
|
|
static void show_license(void) |
|
{ |
|
show_banner(); |
|
printf( |
|
"This library is free software; you can redistribute it and/or\n" |
|
"modify it under the terms of the GNU Lesser General Public\n" |
|
"License as published by the Free Software Foundation; either\n" |
|
"version 2 of the License, or (at your option) any later version.\n" |
|
"\n" |
|
"This library is distributed in the hope that it will be useful,\n" |
|
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n" |
|
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n" |
|
"Lesser General Public License for more details.\n" |
|
"\n" |
|
"You should have received a copy of the GNU Lesser General Public\n" |
|
"License along with this library; if not, write to the Free Software\n" |
|
"Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n" |
|
); |
|
exit(1); |
|
} |
|
|
|
static void show_help(void) |
|
{ |
|
show_banner(); |
|
printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n" |
|
"Hyper fast Audio and Video encoder\n"); |
|
printf("\n"); |
|
show_help_options(options, "Main options:\n", |
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0); |
|
show_help_options(options, "\nVideo options:\n", |
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
|
OPT_VIDEO); |
|
show_help_options(options, "\nAdvanced Video options:\n", |
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
|
OPT_VIDEO | OPT_EXPERT); |
|
show_help_options(options, "\nAudio options:\n", |
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
|
OPT_AUDIO); |
|
show_help_options(options, "\nAdvanced Audio options:\n", |
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
|
OPT_AUDIO | OPT_EXPERT); |
|
show_help_options(options, "\nAudio/Video grab options:\n", |
|
OPT_GRAB, |
|
OPT_GRAB); |
|
show_help_options(options, "\nAdvanced options:\n", |
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
|
OPT_EXPERT); |
|
exit(1); |
|
} |
|
|
|
void parse_arg_file(const char *filename) |
|
{ |
|
opt_output_file(filename); |
|
} |
|
|
|
int main(int argc, char **argv) |
|
{ |
|
int i; |
|
int64_t ti; |
|
|
|
av_register_all(); |
|
|
|
if (argc <= 1) |
|
show_help(); |
|
|
|
/* parse options */ |
|
parse_options(argc, argv, options); |
|
|
|
/* file converter / grab */ |
|
if (nb_output_files <= 0) { |
|
fprintf(stderr, "Must supply at least one output file\n"); |
|
exit(1); |
|
} |
|
|
|
if (nb_input_files == 0) { |
|
prepare_grab(); |
|
} |
|
|
|
ti = getutime(); |
|
av_encode(output_files, nb_output_files, input_files, nb_input_files, |
|
stream_maps, nb_stream_maps); |
|
ti = getutime() - ti; |
|
if (do_benchmark) { |
|
printf("bench: utime=%0.3fs\n", ti / 1000000.0); |
|
} |
|
|
|
/* close files */ |
|
for(i=0;i<nb_output_files;i++) { |
|
/* maybe av_close_output_file ??? */ |
|
AVFormatContext *s = output_files[i]; |
|
int j; |
|
if (!(s->oformat->flags & AVFMT_NOFILE)) |
|
url_fclose(&s->pb); |
|
for(j=0;j<s->nb_streams;j++) |
|
av_free(s->streams[j]); |
|
av_free(s); |
|
} |
|
for(i=0;i<nb_input_files;i++) |
|
av_close_input_file(input_files[i]); |
|
|
|
av_free_static(); |
|
|
|
if(intra_matrix) |
|
av_free(intra_matrix); |
|
if(inter_matrix) |
|
av_free(inter_matrix); |
|
|
|
#ifdef POWERPC_PERFORMANCE_REPORT |
|
extern void powerpc_display_perf_report(void); |
|
powerpc_display_perf_report(); |
|
#endif /* POWERPC_PERFORMANCE_REPORT */ |
|
|
|
#ifndef CONFIG_WIN32 |
|
if (received_sigterm) { |
|
fprintf(stderr, |
|
"Received signal %d: terminating.\n", |
|
(int) received_sigterm); |
|
exit (255); |
|
} |
|
#endif |
|
exit(0); /* not all OS-es handle main() return value */ |
|
return 0; |
|
}
|
|
|