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.
1299 lines
31 KiB
1299 lines
31 KiB
/* |
|
* RAW muxer and demuxer |
|
* Copyright (c) 2001 Fabrice Bellard |
|
* Copyright (c) 2005 Alex Beregszaszi |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* FFmpeg is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#include "libavutil/crc.h" |
|
#include "libavcodec/ac3_parser.h" |
|
#include "libavcodec/get_bits.h" |
|
#include "libavcodec/bytestream.h" |
|
#include "avformat.h" |
|
#include "raw.h" |
|
#include "id3v2.h" |
|
#include "id3v1.h" |
|
|
|
/* simple formats */ |
|
|
|
#if CONFIG_ROQ_MUXER |
|
static int roq_write_header(struct AVFormatContext *s) |
|
{ |
|
static const uint8_t header[] = { |
|
0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0x1E, 0x00 |
|
}; |
|
|
|
put_buffer(s->pb, header, 8); |
|
put_flush_packet(s->pb); |
|
|
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_NULL_MUXER |
|
static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt) |
|
{ |
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_MUXERS |
|
static int raw_write_packet(struct AVFormatContext *s, AVPacket *pkt) |
|
{ |
|
put_buffer(s->pb, pkt->data, pkt->size); |
|
put_flush_packet(s->pb); |
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_DEMUXERS |
|
/* raw input */ |
|
static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap) |
|
{ |
|
AVStream *st; |
|
int id; |
|
|
|
st = av_new_stream(s, 0); |
|
if (!st) |
|
return AVERROR(ENOMEM); |
|
|
|
id = s->iformat->value; |
|
if (id == CODEC_ID_RAWVIDEO) { |
|
st->codec->codec_type = CODEC_TYPE_VIDEO; |
|
} else { |
|
st->codec->codec_type = CODEC_TYPE_AUDIO; |
|
} |
|
st->codec->codec_id = id; |
|
|
|
switch(st->codec->codec_type) { |
|
case CODEC_TYPE_AUDIO: |
|
st->codec->sample_rate = ap->sample_rate; |
|
if(ap->channels) st->codec->channels = ap->channels; |
|
else st->codec->channels = 1; |
|
st->codec->bits_per_coded_sample = av_get_bits_per_sample(st->codec->codec_id); |
|
assert(st->codec->bits_per_coded_sample > 0); |
|
st->codec->block_align = st->codec->bits_per_coded_sample*st->codec->channels/8; |
|
av_set_pts_info(st, 64, 1, st->codec->sample_rate); |
|
break; |
|
case CODEC_TYPE_VIDEO: |
|
if(ap->time_base.num) |
|
av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den); |
|
else |
|
av_set_pts_info(st, 64, 1, 25); |
|
st->codec->width = ap->width; |
|
st->codec->height = ap->height; |
|
st->codec->pix_fmt = ap->pix_fmt; |
|
if(st->codec->pix_fmt == PIX_FMT_NONE) |
|
st->codec->pix_fmt= PIX_FMT_YUV420P; |
|
break; |
|
default: |
|
return -1; |
|
} |
|
return 0; |
|
} |
|
|
|
#define RAW_PACKET_SIZE 1024 |
|
#define RAW_SAMPLES 1024 |
|
|
|
static int raw_read_packet(AVFormatContext *s, AVPacket *pkt) |
|
{ |
|
int ret, size, bps; |
|
// AVStream *st = s->streams[0]; |
|
|
|
size= RAW_SAMPLES*s->streams[0]->codec->block_align; |
|
|
|
ret= av_get_packet(s->pb, pkt, size); |
|
|
|
pkt->stream_index = 0; |
|
if (ret <= 0) { |
|
return AVERROR(EIO); |
|
} |
|
/* note: we need to modify the packet size here to handle the last |
|
packet */ |
|
pkt->size = ret; |
|
|
|
bps= av_get_bits_per_sample(s->streams[0]->codec->codec_id); |
|
assert(bps); // if false there IS a bug elsewhere (NOT in this function) |
|
pkt->dts= |
|
pkt->pts= pkt->pos*8 / (bps * s->streams[0]->codec->channels); |
|
|
|
return ret; |
|
} |
|
|
|
int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt) |
|
{ |
|
int ret, size; |
|
|
|
size = RAW_PACKET_SIZE; |
|
|
|
if (av_new_packet(pkt, size) < 0) |
|
return AVERROR(EIO); |
|
|
|
pkt->pos= url_ftell(s->pb); |
|
pkt->stream_index = 0; |
|
ret = get_partial_buffer(s->pb, pkt->data, size); |
|
if (ret <= 0) { |
|
av_free_packet(pkt); |
|
return AVERROR(EIO); |
|
} |
|
pkt->size = ret; |
|
return ret; |
|
} |
|
#endif |
|
|
|
#if CONFIG_RAWVIDEO_DEMUXER |
|
static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt) |
|
{ |
|
int packet_size, ret, width, height; |
|
AVStream *st = s->streams[0]; |
|
|
|
width = st->codec->width; |
|
height = st->codec->height; |
|
|
|
packet_size = avpicture_get_size(st->codec->pix_fmt, width, height); |
|
if (packet_size < 0) |
|
return -1; |
|
|
|
ret= av_get_packet(s->pb, pkt, packet_size); |
|
pkt->pts= |
|
pkt->dts= pkt->pos / packet_size; |
|
|
|
pkt->stream_index = 0; |
|
if (ret != packet_size) { |
|
return AVERROR(EIO); |
|
} else { |
|
return 0; |
|
} |
|
} |
|
#endif |
|
|
|
#if CONFIG_INGENIENT_DEMUXER |
|
// http://www.artificis.hu/files/texts/ingenient.txt |
|
static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt) |
|
{ |
|
int ret, size, w, h, unk1, unk2; |
|
|
|
if (get_le32(s->pb) != MKTAG('M', 'J', 'P', 'G')) |
|
return AVERROR(EIO); // FIXME |
|
|
|
size = get_le32(s->pb); |
|
|
|
w = get_le16(s->pb); |
|
h = get_le16(s->pb); |
|
|
|
url_fskip(s->pb, 8); // zero + size (padded?) |
|
url_fskip(s->pb, 2); |
|
unk1 = get_le16(s->pb); |
|
unk2 = get_le16(s->pb); |
|
url_fskip(s->pb, 22); // ASCII timestamp |
|
|
|
av_log(s, AV_LOG_DEBUG, "Ingenient packet: size=%d, width=%d, height=%d, unk1=%d unk2=%d\n", |
|
size, w, h, unk1, unk2); |
|
|
|
if (av_new_packet(pkt, size) < 0) |
|
return AVERROR(EIO); |
|
|
|
pkt->pos = url_ftell(s->pb); |
|
pkt->stream_index = 0; |
|
ret = get_buffer(s->pb, pkt->data, size); |
|
if (ret <= 0) { |
|
av_free_packet(pkt); |
|
return AVERROR(EIO); |
|
} |
|
pkt->size = ret; |
|
return ret; |
|
} |
|
#endif |
|
|
|
#if CONFIG_DEMUXERS |
|
int pcm_read_seek(AVFormatContext *s, |
|
int stream_index, int64_t timestamp, int flags) |
|
{ |
|
AVStream *st; |
|
int block_align, byte_rate, ret; |
|
int64_t pos; |
|
|
|
st = s->streams[0]; |
|
|
|
block_align = st->codec->block_align ? st->codec->block_align : |
|
(av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3; |
|
byte_rate = st->codec->bit_rate ? st->codec->bit_rate >> 3 : |
|
block_align * st->codec->sample_rate; |
|
|
|
if (block_align <= 0 || byte_rate <= 0) |
|
return -1; |
|
if (timestamp < 0) timestamp = 0; |
|
|
|
/* compute the position by aligning it to block_align */ |
|
pos = av_rescale_rnd(timestamp * byte_rate, |
|
st->time_base.num, |
|
st->time_base.den * (int64_t)block_align, |
|
(flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP); |
|
pos *= block_align; |
|
|
|
/* recompute exact position */ |
|
st->cur_dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num); |
|
if ((ret = url_fseek(s->pb, pos + s->data_offset, SEEK_SET)) < 0) |
|
return ret; |
|
return 0; |
|
} |
|
|
|
static int audio_read_header(AVFormatContext *s, |
|
AVFormatParameters *ap) |
|
{ |
|
AVStream *st = av_new_stream(s, 0); |
|
if (!st) |
|
return AVERROR(ENOMEM); |
|
st->codec->codec_type = CODEC_TYPE_AUDIO; |
|
st->codec->codec_id = s->iformat->value; |
|
st->need_parsing = AVSTREAM_PARSE_FULL; |
|
/* the parameters will be extracted from the compressed bitstream */ |
|
|
|
return 0; |
|
} |
|
|
|
/* MPEG-1/H.263 input */ |
|
static int video_read_header(AVFormatContext *s, |
|
AVFormatParameters *ap) |
|
{ |
|
AVStream *st; |
|
|
|
st = av_new_stream(s, 0); |
|
if (!st) |
|
return AVERROR(ENOMEM); |
|
|
|
st->codec->codec_type = CODEC_TYPE_VIDEO; |
|
st->codec->codec_id = s->iformat->value; |
|
st->need_parsing = AVSTREAM_PARSE_FULL; |
|
|
|
/* for MJPEG, specify frame rate */ |
|
/* for MPEG-4 specify it, too (most MPEG-4 streams do not have the fixed_vop_rate set ...)*/ |
|
if (ap->time_base.num) { |
|
st->codec->time_base= ap->time_base; |
|
} else if ( st->codec->codec_id == CODEC_ID_MJPEG || |
|
st->codec->codec_id == CODEC_ID_MPEG4 || |
|
st->codec->codec_id == CODEC_ID_DIRAC || |
|
st->codec->codec_id == CODEC_ID_H264) { |
|
st->codec->time_base= (AVRational){1,25}; |
|
} |
|
av_set_pts_info(st, 64, 1, 1200000); |
|
|
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_MPEGVIDEO_DEMUXER |
|
#define SEQ_START_CODE 0x000001b3 |
|
#define GOP_START_CODE 0x000001b8 |
|
#define PICTURE_START_CODE 0x00000100 |
|
#define SLICE_START_CODE 0x00000101 |
|
#define PACK_START_CODE 0x000001ba |
|
#define VIDEO_ID 0x000001e0 |
|
#define AUDIO_ID 0x000001c0 |
|
|
|
static int mpegvideo_probe(AVProbeData *p) |
|
{ |
|
uint32_t code= -1; |
|
int pic=0, seq=0, slice=0, pspack=0, pes=0; |
|
int i; |
|
|
|
for(i=0; i<p->buf_size; i++){ |
|
code = (code<<8) + p->buf[i]; |
|
if ((code & 0xffffff00) == 0x100) { |
|
switch(code){ |
|
case SEQ_START_CODE: seq++; break; |
|
case PICTURE_START_CODE: pic++; break; |
|
case SLICE_START_CODE: slice++; break; |
|
case PACK_START_CODE: pspack++; break; |
|
} |
|
if ((code & 0x1f0) == VIDEO_ID) pes++; |
|
else if((code & 0x1e0) == AUDIO_ID) pes++; |
|
} |
|
} |
|
if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes) |
|
return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg |
|
return 0; |
|
} |
|
|
|
#define CAVS_SEQ_START_CODE 0x000001b0 |
|
#define CAVS_PIC_I_START_CODE 0x000001b3 |
|
#define CAVS_UNDEF_START_CODE 0x000001b4 |
|
#define CAVS_PIC_PB_START_CODE 0x000001b6 |
|
#define CAVS_VIDEO_EDIT_CODE 0x000001b7 |
|
#define CAVS_PROFILE_JIZHUN 0x20 |
|
|
|
static int cavsvideo_probe(AVProbeData *p) |
|
{ |
|
uint32_t code= -1; |
|
int pic=0, seq=0, slice_pos = 0; |
|
int i; |
|
|
|
for(i=0; i<p->buf_size; i++){ |
|
code = (code<<8) + p->buf[i]; |
|
if ((code & 0xffffff00) == 0x100) { |
|
if(code < CAVS_SEQ_START_CODE) { |
|
/* slices have to be consecutive */ |
|
if(code < slice_pos) |
|
return 0; |
|
slice_pos = code; |
|
} else { |
|
slice_pos = 0; |
|
} |
|
if (code == CAVS_SEQ_START_CODE) { |
|
seq++; |
|
/* check for the only currently supported profile */ |
|
if(p->buf[i+1] != CAVS_PROFILE_JIZHUN) |
|
return 0; |
|
} else if ((code == CAVS_PIC_I_START_CODE) || |
|
(code == CAVS_PIC_PB_START_CODE)) { |
|
pic++; |
|
} else if ((code == CAVS_UNDEF_START_CODE) || |
|
(code > CAVS_VIDEO_EDIT_CODE)) { |
|
return 0; |
|
} |
|
} |
|
} |
|
if(seq && seq*9<=pic*10) |
|
return AVPROBE_SCORE_MAX/2; |
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_M4V_DEMUXER |
|
#define VISUAL_OBJECT_START_CODE 0x000001b5 |
|
#define VOP_START_CODE 0x000001b6 |
|
|
|
static int mpeg4video_probe(AVProbeData *probe_packet) |
|
{ |
|
uint32_t temp_buffer= -1; |
|
int VO=0, VOL=0, VOP = 0, VISO = 0, res=0; |
|
int i; |
|
|
|
for(i=0; i<probe_packet->buf_size; i++){ |
|
temp_buffer = (temp_buffer<<8) + probe_packet->buf[i]; |
|
if ((temp_buffer & 0xffffff00) != 0x100) |
|
continue; |
|
|
|
if (temp_buffer == VOP_START_CODE) VOP++; |
|
else if (temp_buffer == VISUAL_OBJECT_START_CODE) VISO++; |
|
else if (temp_buffer < 0x120) VO++; |
|
else if (temp_buffer < 0x130) VOL++; |
|
else if ( !(0x1AF < temp_buffer && temp_buffer < 0x1B7) |
|
&& !(0x1B9 < temp_buffer && temp_buffer < 0x1C4)) res++; |
|
} |
|
|
|
if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res==0) |
|
return AVPROBE_SCORE_MAX/2; |
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_H264_DEMUXER |
|
static int h264_probe(AVProbeData *p) |
|
{ |
|
uint32_t code= -1; |
|
int sps=0, pps=0, idr=0, res=0, sli=0; |
|
int i; |
|
|
|
for(i=0; i<p->buf_size; i++){ |
|
code = (code<<8) + p->buf[i]; |
|
if ((code & 0xffffff00) == 0x100) { |
|
int ref_idc= (code>>5)&3; |
|
int type = code & 0x1F; |
|
static const int8_t ref_zero[32]={ |
|
2, 0, 0, 0, 0,-1, 1,-1, |
|
-1, 1, 1, 1, 1,-1, 2, 2, |
|
2, 2, 2, 0, 2, 2, 2, 2, |
|
2, 2, 2, 2, 2, 2, 2, 2 |
|
}; |
|
|
|
if(code & 0x80) //forbidden bit |
|
return 0; |
|
|
|
if(ref_zero[type] == 1 && ref_idc) |
|
return 0; |
|
if(ref_zero[type] ==-1 && !ref_idc) |
|
return 0; |
|
if(ref_zero[type] == 2) |
|
res++; |
|
|
|
switch(type){ |
|
case 1: sli++; break; |
|
case 5: idr++; break; |
|
case 7: |
|
if(p->buf[i+2]&0x0F) |
|
return 0; |
|
sps++; |
|
break; |
|
case 8: pps++; break; |
|
} |
|
} |
|
} |
|
if(sps && pps && (idr||sli>3) && res<(sps+pps+idr)) |
|
return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg |
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_H263_DEMUXER |
|
static int h263_probe(AVProbeData *p) |
|
{ |
|
int code; |
|
const uint8_t *d; |
|
|
|
d = p->buf; |
|
code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2); |
|
if (code == 0x20) { |
|
return 50; |
|
} |
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_H261_DEMUXER |
|
static int h261_probe(AVProbeData *p) |
|
{ |
|
int code; |
|
const uint8_t *d; |
|
|
|
d = p->buf; |
|
code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4); |
|
if (code == 0x10) { |
|
return 50; |
|
} |
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_DTS_DEMUXER |
|
#define DCA_MARKER_14B_BE 0x1FFFE800 |
|
#define DCA_MARKER_14B_LE 0xFF1F00E8 |
|
#define DCA_MARKER_RAW_BE 0x7FFE8001 |
|
#define DCA_MARKER_RAW_LE 0xFE7F0180 |
|
static int dts_probe(AVProbeData *p) |
|
{ |
|
const uint8_t *buf, *bufp; |
|
uint32_t state = -1; |
|
|
|
buf = p->buf; |
|
|
|
for(; buf < (p->buf+p->buf_size)-2; buf+=2) { |
|
bufp = buf; |
|
state = (state << 16) | bytestream_get_be16(&bufp); |
|
|
|
/* regular bitstream */ |
|
if (state == DCA_MARKER_RAW_BE || state == DCA_MARKER_RAW_LE) |
|
return AVPROBE_SCORE_MAX/2+1; |
|
|
|
/* 14 bits big-endian bitstream */ |
|
if (state == DCA_MARKER_14B_BE) |
|
if ((bytestream_get_be16(&bufp) & 0xFFF0) == 0x07F0) |
|
return AVPROBE_SCORE_MAX/2+1; |
|
|
|
/* 14 bits little-endian bitstream */ |
|
if (state == DCA_MARKER_14B_LE) |
|
if ((bytestream_get_be16(&bufp) & 0xF0FF) == 0xF007) |
|
return AVPROBE_SCORE_MAX/2+1; |
|
} |
|
|
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_DIRAC_DEMUXER |
|
static int dirac_probe(AVProbeData *p) |
|
{ |
|
if (AV_RL32(p->buf) == MKTAG('B', 'B', 'C', 'D')) |
|
return AVPROBE_SCORE_MAX; |
|
else |
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_DNXHD_DEMUXER |
|
static int dnxhd_probe(AVProbeData *p) |
|
{ |
|
static const uint8_t header[] = {0x00,0x00,0x02,0x80,0x01}; |
|
if (!memcmp(p->buf, header, 5)) |
|
return AVPROBE_SCORE_MAX; |
|
else |
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_AC3_DEMUXER || CONFIG_EAC3_DEMUXER |
|
static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id) |
|
{ |
|
int max_frames, first_frames = 0, frames; |
|
uint8_t *buf, *buf2, *end; |
|
AC3HeaderInfo hdr; |
|
GetBitContext gbc; |
|
enum CodecID codec_id = CODEC_ID_AC3; |
|
|
|
max_frames = 0; |
|
buf = p->buf; |
|
end = buf + p->buf_size; |
|
|
|
for(; buf < end; buf++) { |
|
buf2 = buf; |
|
|
|
for(frames = 0; buf2 < end; frames++) { |
|
init_get_bits(&gbc, buf2, 54); |
|
if(ff_ac3_parse_header(&gbc, &hdr) < 0) |
|
break; |
|
if(buf2 + hdr.frame_size > end || |
|
av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2)) |
|
break; |
|
if (hdr.bitstream_id > 10) |
|
codec_id = CODEC_ID_EAC3; |
|
buf2 += hdr.frame_size; |
|
} |
|
max_frames = FFMAX(max_frames, frames); |
|
if(buf == p->buf) |
|
first_frames = frames; |
|
} |
|
if(codec_id != expected_codec_id) return 0; |
|
if (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4; |
|
else if(max_frames>=3) return AVPROBE_SCORE_MAX / 2; |
|
else if(max_frames>=1) return 1; |
|
else return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_AC3_DEMUXER |
|
static int ac3_probe(AVProbeData *p) |
|
{ |
|
return ac3_eac3_probe(p, CODEC_ID_AC3); |
|
} |
|
#endif |
|
|
|
#if CONFIG_EAC3_DEMUXER |
|
static int eac3_probe(AVProbeData *p) |
|
{ |
|
return ac3_eac3_probe(p, CODEC_ID_EAC3); |
|
} |
|
#endif |
|
|
|
#if CONFIG_AAC_DEMUXER |
|
static int adts_aac_probe(AVProbeData *p) |
|
{ |
|
int max_frames = 0, first_frames = 0; |
|
int fsize, frames; |
|
uint8_t *buf0 = p->buf; |
|
uint8_t *buf2; |
|
uint8_t *buf; |
|
uint8_t *end = buf0 + p->buf_size - 7; |
|
|
|
if (ff_id3v2_match(buf0)) { |
|
buf0 += ff_id3v2_tag_len(buf0); |
|
} |
|
buf = buf0; |
|
|
|
for(; buf < end; buf= buf2+1) { |
|
buf2 = buf; |
|
|
|
for(frames = 0; buf2 < end; frames++) { |
|
uint32_t header = AV_RB16(buf2); |
|
if((header&0xFFF6) != 0xFFF0) |
|
break; |
|
fsize = (AV_RB32(buf2+3)>>13) & 0x8FFF; |
|
if(fsize < 7) |
|
break; |
|
buf2 += fsize; |
|
} |
|
max_frames = FFMAX(max_frames, frames); |
|
if(buf == buf0) |
|
first_frames= frames; |
|
} |
|
if (first_frames>=3) return AVPROBE_SCORE_MAX/2+1; |
|
else if(max_frames>500)return AVPROBE_SCORE_MAX/2; |
|
else if(max_frames>=3) return AVPROBE_SCORE_MAX/4; |
|
else if(max_frames>=1) return 1; |
|
else return 0; |
|
} |
|
|
|
static int adts_aac_read_header(AVFormatContext *s, |
|
AVFormatParameters *ap) |
|
{ |
|
AVStream *st; |
|
|
|
st = av_new_stream(s, 0); |
|
if (!st) |
|
return AVERROR(ENOMEM); |
|
|
|
st->codec->codec_type = CODEC_TYPE_AUDIO; |
|
st->codec->codec_id = s->iformat->value; |
|
st->need_parsing = AVSTREAM_PARSE_FULL; |
|
|
|
ff_id3v1_read(s); |
|
ff_id3v2_read(s); |
|
|
|
return 0; |
|
} |
|
|
|
#endif |
|
|
|
/* Note: Do not forget to add new entries to the Makefile as well. */ |
|
|
|
#if CONFIG_AAC_DEMUXER |
|
AVInputFormat aac_demuxer = { |
|
"aac", |
|
NULL_IF_CONFIG_SMALL("raw ADTS AAC"), |
|
0, |
|
adts_aac_probe, |
|
adts_aac_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "aac", |
|
.value = CODEC_ID_AAC, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_AC3_DEMUXER |
|
AVInputFormat ac3_demuxer = { |
|
"ac3", |
|
NULL_IF_CONFIG_SMALL("raw AC-3"), |
|
0, |
|
ac3_probe, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "ac3", |
|
.value = CODEC_ID_AC3, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_AC3_MUXER |
|
AVOutputFormat ac3_muxer = { |
|
"ac3", |
|
NULL_IF_CONFIG_SMALL("raw AC-3"), |
|
"audio/x-ac3", |
|
"ac3", |
|
0, |
|
CODEC_ID_AC3, |
|
CODEC_ID_NONE, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_DIRAC_DEMUXER |
|
AVInputFormat dirac_demuxer = { |
|
"dirac", |
|
NULL_IF_CONFIG_SMALL("raw Dirac"), |
|
0, |
|
dirac_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.value = CODEC_ID_DIRAC, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_DIRAC_MUXER |
|
AVOutputFormat dirac_muxer = { |
|
"dirac", |
|
NULL_IF_CONFIG_SMALL("raw Dirac"), |
|
NULL, |
|
"drc", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_DIRAC, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_DNXHD_DEMUXER |
|
AVInputFormat dnxhd_demuxer = { |
|
"dnxhd", |
|
NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"), |
|
0, |
|
dnxhd_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.value = CODEC_ID_DNXHD, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_DNXHD_MUXER |
|
AVOutputFormat dnxhd_muxer = { |
|
"dnxhd", |
|
NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"), |
|
NULL, |
|
"dnxhd", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_DNXHD, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_DTS_DEMUXER |
|
AVInputFormat dts_demuxer = { |
|
"dts", |
|
NULL_IF_CONFIG_SMALL("raw DTS"), |
|
0, |
|
dts_probe, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "dts", |
|
.value = CODEC_ID_DTS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_DTS_MUXER |
|
AVOutputFormat dts_muxer = { |
|
"dts", |
|
NULL_IF_CONFIG_SMALL("raw DTS"), |
|
"audio/x-dca", |
|
"dts", |
|
0, |
|
CODEC_ID_DTS, |
|
CODEC_ID_NONE, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_EAC3_DEMUXER |
|
AVInputFormat eac3_demuxer = { |
|
"eac3", |
|
NULL_IF_CONFIG_SMALL("raw E-AC-3"), |
|
0, |
|
eac3_probe, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "eac3", |
|
.value = CODEC_ID_EAC3, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_EAC3_MUXER |
|
AVOutputFormat eac3_muxer = { |
|
"eac3", |
|
NULL_IF_CONFIG_SMALL("raw E-AC-3"), |
|
"audio/x-eac3", |
|
"eac3", |
|
0, |
|
CODEC_ID_EAC3, |
|
CODEC_ID_NONE, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_GSM_DEMUXER |
|
AVInputFormat gsm_demuxer = { |
|
"gsm", |
|
NULL_IF_CONFIG_SMALL("raw GSM"), |
|
0, |
|
NULL, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "gsm", |
|
.value = CODEC_ID_GSM, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_H261_DEMUXER |
|
AVInputFormat h261_demuxer = { |
|
"h261", |
|
NULL_IF_CONFIG_SMALL("raw H.261"), |
|
0, |
|
h261_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "h261", |
|
.value = CODEC_ID_H261, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_H261_MUXER |
|
AVOutputFormat h261_muxer = { |
|
"h261", |
|
NULL_IF_CONFIG_SMALL("raw H.261"), |
|
"video/x-h261", |
|
"h261", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_H261, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_H263_DEMUXER |
|
AVInputFormat h263_demuxer = { |
|
"h263", |
|
NULL_IF_CONFIG_SMALL("raw H.263"), |
|
0, |
|
h263_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
// .extensions = "h263", //FIXME remove after writing mpeg4_probe |
|
.value = CODEC_ID_H263, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_H263_MUXER |
|
AVOutputFormat h263_muxer = { |
|
"h263", |
|
NULL_IF_CONFIG_SMALL("raw H.263"), |
|
"video/x-h263", |
|
"h263", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_H263, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_H264_DEMUXER |
|
AVInputFormat h264_demuxer = { |
|
"h264", |
|
NULL_IF_CONFIG_SMALL("raw H.264 video format"), |
|
0, |
|
h264_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe |
|
.value = CODEC_ID_H264, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_H264_MUXER |
|
AVOutputFormat h264_muxer = { |
|
"h264", |
|
NULL_IF_CONFIG_SMALL("raw H.264 video format"), |
|
NULL, |
|
"h264", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_H264, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_INGENIENT_DEMUXER |
|
AVInputFormat ingenient_demuxer = { |
|
"ingenient", |
|
NULL_IF_CONFIG_SMALL("raw Ingenient MJPEG"), |
|
0, |
|
NULL, |
|
video_read_header, |
|
ingenient_read_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "cgi", // FIXME |
|
.value = CODEC_ID_MJPEG, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_M4V_DEMUXER |
|
AVInputFormat m4v_demuxer = { |
|
"m4v", |
|
NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"), |
|
0, |
|
mpeg4video_probe, /** probing for MPEG-4 data */ |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "m4v", |
|
.value = CODEC_ID_MPEG4, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_M4V_MUXER |
|
AVOutputFormat m4v_muxer = { |
|
"m4v", |
|
NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"), |
|
NULL, |
|
"m4v", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_MPEG4, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MJPEG_DEMUXER |
|
AVInputFormat mjpeg_demuxer = { |
|
"mjpeg", |
|
NULL_IF_CONFIG_SMALL("raw MJPEG video"), |
|
0, |
|
NULL, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "mjpg,mjpeg", |
|
.value = CODEC_ID_MJPEG, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MJPEG_MUXER |
|
AVOutputFormat mjpeg_muxer = { |
|
"mjpeg", |
|
NULL_IF_CONFIG_SMALL("raw MJPEG video"), |
|
"video/x-mjpeg", |
|
"mjpg,mjpeg", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_MJPEG, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MLP_DEMUXER |
|
AVInputFormat mlp_demuxer = { |
|
"mlp", |
|
NULL_IF_CONFIG_SMALL("raw MLP"), |
|
0, |
|
NULL, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "mlp", |
|
.value = CODEC_ID_MLP, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MLP_MUXER |
|
AVOutputFormat mlp_muxer = { |
|
"mlp", |
|
NULL_IF_CONFIG_SMALL("raw MLP"), |
|
NULL, |
|
"mlp", |
|
0, |
|
CODEC_ID_MLP, |
|
CODEC_ID_NONE, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_TRUEHD_DEMUXER |
|
AVInputFormat truehd_demuxer = { |
|
"truehd", |
|
NULL_IF_CONFIG_SMALL("raw TrueHD"), |
|
0, |
|
NULL, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "thd", |
|
.value = CODEC_ID_TRUEHD, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_TRUEHD_MUXER |
|
AVOutputFormat truehd_muxer = { |
|
"truehd", |
|
NULL_IF_CONFIG_SMALL("raw TrueHD"), |
|
NULL, |
|
"thd", |
|
0, |
|
CODEC_ID_TRUEHD, |
|
CODEC_ID_NONE, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MPEG1VIDEO_MUXER |
|
AVOutputFormat mpeg1video_muxer = { |
|
"mpeg1video", |
|
NULL_IF_CONFIG_SMALL("raw MPEG-1 video"), |
|
"video/x-mpeg", |
|
"mpg,mpeg,m1v", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_MPEG1VIDEO, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MPEG2VIDEO_MUXER |
|
AVOutputFormat mpeg2video_muxer = { |
|
"mpeg2video", |
|
NULL_IF_CONFIG_SMALL("raw MPEG-2 video"), |
|
NULL, |
|
"m2v", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_MPEG2VIDEO, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MPEGVIDEO_DEMUXER |
|
AVInputFormat mpegvideo_demuxer = { |
|
"mpegvideo", |
|
NULL_IF_CONFIG_SMALL("raw MPEG video"), |
|
0, |
|
mpegvideo_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.value = CODEC_ID_MPEG1VIDEO, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_CAVSVIDEO_DEMUXER |
|
AVInputFormat cavsvideo_demuxer = { |
|
"cavsvideo", |
|
NULL_IF_CONFIG_SMALL("raw Chinese AVS video"), |
|
0, |
|
cavsvideo_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.value = CODEC_ID_CAVS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_NULL_MUXER |
|
AVOutputFormat null_muxer = { |
|
"null", |
|
NULL_IF_CONFIG_SMALL("raw null video format"), |
|
NULL, |
|
NULL, |
|
0, |
|
#ifdef WORDS_BIGENDIAN |
|
CODEC_ID_PCM_S16BE, |
|
#else |
|
CODEC_ID_PCM_S16LE, |
|
#endif |
|
CODEC_ID_RAWVIDEO, |
|
NULL, |
|
null_write_packet, |
|
.flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_RAWVIDEO_DEMUXER |
|
AVInputFormat rawvideo_demuxer = { |
|
"rawvideo", |
|
NULL_IF_CONFIG_SMALL("raw video format"), |
|
0, |
|
NULL, |
|
raw_read_header, |
|
rawvideo_read_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "yuv,cif,qcif,rgb", |
|
.value = CODEC_ID_RAWVIDEO, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_RAWVIDEO_MUXER |
|
AVOutputFormat rawvideo_muxer = { |
|
"rawvideo", |
|
NULL_IF_CONFIG_SMALL("raw video format"), |
|
NULL, |
|
"yuv,rgb", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_RAWVIDEO, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_ROQ_MUXER |
|
AVOutputFormat roq_muxer = |
|
{ |
|
"RoQ", |
|
NULL_IF_CONFIG_SMALL("raw id RoQ format"), |
|
NULL, |
|
"roq", |
|
0, |
|
CODEC_ID_ROQ_DPCM, |
|
CODEC_ID_ROQ, |
|
roq_write_header, |
|
raw_write_packet, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_SHORTEN_DEMUXER |
|
AVInputFormat shorten_demuxer = { |
|
"shn", |
|
NULL_IF_CONFIG_SMALL("raw Shorten"), |
|
0, |
|
NULL, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "shn", |
|
.value = CODEC_ID_SHORTEN, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_VC1_DEMUXER |
|
AVInputFormat vc1_demuxer = { |
|
"vc1", |
|
NULL_IF_CONFIG_SMALL("raw VC-1"), |
|
0, |
|
NULL /* vc1_probe */, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.extensions = "vc1", |
|
.value = CODEC_ID_VC1, |
|
}; |
|
#endif |
|
|
|
/* PCM formats */ |
|
|
|
#define PCMINPUTDEF(name, long_name, ext, codec) \ |
|
AVInputFormat pcm_ ## name ## _demuxer = {\ |
|
#name,\ |
|
NULL_IF_CONFIG_SMALL(long_name),\ |
|
0,\ |
|
NULL,\ |
|
raw_read_header,\ |
|
raw_read_packet,\ |
|
NULL,\ |
|
pcm_read_seek,\ |
|
.flags= AVFMT_GENERIC_INDEX,\ |
|
.extensions = ext,\ |
|
.value = codec,\ |
|
}; |
|
|
|
#define PCMOUTPUTDEF(name, long_name, ext, codec) \ |
|
AVOutputFormat pcm_ ## name ## _muxer = {\ |
|
#name,\ |
|
NULL_IF_CONFIG_SMALL(long_name),\ |
|
NULL,\ |
|
ext,\ |
|
0,\ |
|
codec,\ |
|
CODEC_ID_NONE,\ |
|
NULL,\ |
|
raw_write_packet,\ |
|
.flags= AVFMT_NOTIMESTAMPS,\ |
|
}; |
|
|
|
|
|
#if !CONFIG_MUXERS && CONFIG_DEMUXERS |
|
#define PCMDEF(name, long_name, ext, codec) \ |
|
PCMINPUTDEF(name, long_name, ext, codec) |
|
#elif CONFIG_MUXERS && !CONFIG_DEMUXERS |
|
#define PCMDEF(name, long_name, ext, codec) \ |
|
PCMOUTPUTDEF(name, long_name, ext, codec) |
|
#elif CONFIG_MUXERS && CONFIG_DEMUXERS |
|
#define PCMDEF(name, long_name, ext, codec) \ |
|
PCMINPUTDEF(name, long_name, ext, codec)\ |
|
PCMOUTPUTDEF(name, long_name, ext, codec) |
|
#else |
|
#define PCMDEF(name, long_name, ext, codec) |
|
#endif |
|
|
|
#ifdef WORDS_BIGENDIAN |
|
#define BE_DEF(s) s |
|
#define LE_DEF(s) NULL |
|
#else |
|
#define BE_DEF(s) NULL |
|
#define LE_DEF(s) s |
|
#endif |
|
|
|
PCMDEF(f64be, "PCM 64 bit floating-point big-endian format", |
|
NULL, CODEC_ID_PCM_F64BE) |
|
|
|
PCMDEF(f64le, "PCM 64 bit floating-point little-endian format", |
|
NULL, CODEC_ID_PCM_F64LE) |
|
|
|
PCMDEF(f32be, "PCM 32 bit floating-point big-endian format", |
|
NULL, CODEC_ID_PCM_F32BE) |
|
|
|
PCMDEF(f32le, "PCM 32 bit floating-point little-endian format", |
|
NULL, CODEC_ID_PCM_F32LE) |
|
|
|
PCMDEF(s32be, "PCM signed 32 bit big-endian format", |
|
NULL, CODEC_ID_PCM_S32BE) |
|
|
|
PCMDEF(s32le, "PCM signed 32 bit little-endian format", |
|
NULL, CODEC_ID_PCM_S32LE) |
|
|
|
PCMDEF(s24be, "PCM signed 24 bit big-endian format", |
|
NULL, CODEC_ID_PCM_S24BE) |
|
|
|
PCMDEF(s24le, "PCM signed 24 bit little-endian format", |
|
NULL, CODEC_ID_PCM_S24LE) |
|
|
|
PCMDEF(s16be, "PCM signed 16 bit big-endian format", |
|
BE_DEF("sw"), CODEC_ID_PCM_S16BE) |
|
|
|
PCMDEF(s16le, "PCM signed 16 bit little-endian format", |
|
LE_DEF("sw"), CODEC_ID_PCM_S16LE) |
|
|
|
PCMDEF(s8, "PCM signed 8 bit format", |
|
"sb", CODEC_ID_PCM_S8) |
|
|
|
PCMDEF(u32be, "PCM unsigned 32 bit big-endian format", |
|
NULL, CODEC_ID_PCM_U32BE) |
|
|
|
PCMDEF(u32le, "PCM unsigned 32 bit little-endian format", |
|
NULL, CODEC_ID_PCM_U32LE) |
|
|
|
PCMDEF(u24be, "PCM unsigned 24 bit big-endian format", |
|
NULL, CODEC_ID_PCM_U24BE) |
|
|
|
PCMDEF(u24le, "PCM unsigned 24 bit little-endian format", |
|
NULL, CODEC_ID_PCM_U24LE) |
|
|
|
PCMDEF(u16be, "PCM unsigned 16 bit big-endian format", |
|
BE_DEF("uw"), CODEC_ID_PCM_U16BE) |
|
|
|
PCMDEF(u16le, "PCM unsigned 16 bit little-endian format", |
|
LE_DEF("uw"), CODEC_ID_PCM_U16LE) |
|
|
|
PCMDEF(u8, "PCM unsigned 8 bit format", |
|
"ub", CODEC_ID_PCM_U8) |
|
|
|
PCMDEF(alaw, "PCM A-law format", |
|
"al", CODEC_ID_PCM_ALAW) |
|
|
|
PCMDEF(mulaw, "PCM mu-law format", |
|
"ul", CODEC_ID_PCM_MULAW)
|
|
|