//av_log(NULL, AV_LOG_ERROR, "%d %d %d %d %d %d len:%d\n", sys, priv1, pspack,vid, audio, invalid, p->buf_size);
if(sys>invalid && sys*9 <= pspack*10)
- return pspack > 2 ? AVPROBE_SCORE_MAX/2+2 : AVPROBE_SCORE_MAX/4; // +1 for .mpg
+ return (audio > 12 || vid > 3 || pspack > 2) ? AVPROBE_SCORE_MAX/2+2 : AVPROBE_SCORE_MAX/4; // +1 for .mpg
if(pspack > invalid && (priv1+vid+audio)*10 >= pspack*9)
return pspack > 2 ? AVPROBE_SCORE_MAX/2+2 : AVPROBE_SCORE_MAX/4; // +1 for .mpg
if((!!vid ^ !!audio) && (audio > 4 || vid > 1) && !sys && !pspack && p->buf_size>2048 && vid + audio > invalid) /* PES stream */
- return (audio > 12 || vid > 3) ? AVPROBE_SCORE_MAX/2+2 : AVPROBE_SCORE_MAX/4;
+ return (audio > 12 || vid > 3 + 2*invalid) ? AVPROBE_SCORE_MAX/2+2 : AVPROBE_SCORE_MAX/4;
//02-Penguin.flac has sys:0 priv1:0 pspack:0 vid:0 audio:1
//mp3_misidentified_2.mp3 has sys:0 priv1:0 pspack:0 vid:0 audio:6
+ //Have\ Yourself\ a\ Merry\ Little\ Christmas.mp3 0 0 0 5 0 1 len:21618
return score;
}
return val;
}
-#if 0 /* unused, remove? */
-/* XXX: optimize */
-static int find_prev_start_code(AVIOContext *pb, int *size_ptr)
-{
- int64_t pos, pos_start;
- int max_size, start_code;
-
- max_size = *size_ptr;
- pos_start = avio_tell(pb);
-
- /* in order to go faster, we fill the buffer */
- pos = pos_start - 16386;
- if (pos < 0)
- pos = 0;
- avio_seek(pb, pos, SEEK_SET);
- avio_r8(pb);
-
- pos = pos_start;
- for(;;) {
- pos--;
- if (pos < 0 || (pos_start - pos) >= max_size) {
- start_code = -1;
- goto the_end;
- }
- avio_seek(pb, pos, SEEK_SET);
- start_code = avio_rb32(pb);
- if ((start_code & 0xffffff00) == 0x100)
- break;
- }
- the_end:
- *size_ptr = pos_start - pos;
- return start_code;
-}
-#endif
-
/**
* Extract stream types from a program stream map
* According to ISO/IEC 13818-1 ('MPEG-2 Systems') table 2-35
}
} else if ((c & 0xc0) == 0x80) {
/* mpeg 2 PES */
-#if 0 /* some streams have this field set for no apparent reason */
- if ((c & 0x30) != 0) {
- /* Encrypted multiplex not handled */
- goto redo;
- }
-#endif
flags = avio_r8(s->pb);
header_len = avio_r8(s->pb);
len -= 2;
else if( c!= 0xf )
goto redo;
- if (startcode == PRIVATE_STREAM_1 && !m->psm_es_type[startcode & 0xff]) {
+ if (startcode == PRIVATE_STREAM_1) {
startcode = avio_r8(s->pb);
len--;
- if (startcode >= 0x80 && startcode <= 0xcf) {
- /* audio: skip header */
- avio_r8(s->pb);
- avio_r8(s->pb);
- avio_r8(s->pb);
- len -= 3;
- if (startcode >= 0xb0 && startcode <= 0xbf) {
- /* MLP/TrueHD audio has a 4-byte header */
- avio_r8(s->pb);
- len--;
- }
- }
}
if(len<0)
goto error_redo;
MpegDemuxContext *m = s->priv_data;
AVStream *st;
int len, startcode, i, es_type, ret;
+ int lpcm_header_len;
int request_probe= 0;
- enum CodecID codec_id = CODEC_ID_NONE;
+ enum AVCodecID codec_id = AV_CODEC_ID_NONE;
enum AVMediaType type;
int64_t pts, dts, dummy_pos; //dummy_pos is needed for the index building to work
- uint8_t av_uninit(dvdaudio_substream_type);
redo:
len = mpegps_read_pes_header(s, &dummy_pos, &startcode, &pts, &dts);
if (len < 0)
return len;
- if(startcode == 0x1bd) {
- dvdaudio_substream_type = avio_r8(s->pb);
- avio_skip(s->pb, 3);
- len -= 4;
+ if (startcode >= 0x80 && startcode <= 0xcf) {
+ if(len < 4)
+ goto skip;
+
+ /* audio: skip header */
+ avio_r8(s->pb);
+ lpcm_header_len = avio_rb16(s->pb);
+ len -= 3;
+ if (startcode >= 0xb0 && startcode <= 0xbf) {
+ /* MLP/TrueHD audio has a 4-byte header */
+ avio_r8(s->pb);
+ len--;
+ }
}
/* now find stream */
es_type = m->psm_es_type[startcode & 0xff];
if(es_type > 0 && es_type != STREAM_TYPE_PRIVATE_DATA){
if(es_type == STREAM_TYPE_VIDEO_MPEG1){
- codec_id = CODEC_ID_MPEG2VIDEO;
+ codec_id = AV_CODEC_ID_MPEG2VIDEO;
type = AVMEDIA_TYPE_VIDEO;
} else if(es_type == STREAM_TYPE_VIDEO_MPEG2){
- codec_id = CODEC_ID_MPEG2VIDEO;
+ codec_id = AV_CODEC_ID_MPEG2VIDEO;
type = AVMEDIA_TYPE_VIDEO;
} else if(es_type == STREAM_TYPE_AUDIO_MPEG1 ||
es_type == STREAM_TYPE_AUDIO_MPEG2){
- codec_id = CODEC_ID_MP3;
+ codec_id = AV_CODEC_ID_MP3;
type = AVMEDIA_TYPE_AUDIO;
} else if(es_type == STREAM_TYPE_AUDIO_AAC){
- codec_id = CODEC_ID_AAC;
+ codec_id = AV_CODEC_ID_AAC;
type = AVMEDIA_TYPE_AUDIO;
} else if(es_type == STREAM_TYPE_VIDEO_MPEG4){
- codec_id = CODEC_ID_MPEG4;
+ codec_id = AV_CODEC_ID_MPEG4;
type = AVMEDIA_TYPE_VIDEO;
} else if(es_type == STREAM_TYPE_VIDEO_H264){
- codec_id = CODEC_ID_H264;
+ codec_id = AV_CODEC_ID_H264;
type = AVMEDIA_TYPE_VIDEO;
} else if(es_type == STREAM_TYPE_AUDIO_AC3){
- codec_id = CODEC_ID_AC3;
+ codec_id = AV_CODEC_ID_AC3;
type = AVMEDIA_TYPE_AUDIO;
} else {
goto skip;
avio_read(s->pb, buf, 8);
avio_seek(s->pb, -8, SEEK_CUR);
if(!memcmp(buf, avs_seqh, 4) && (buf[6] != 0 || buf[7] != 1))
- codec_id = CODEC_ID_CAVS;
+ codec_id = AV_CODEC_ID_CAVS;
else
request_probe= 1;
type = AVMEDIA_TYPE_VIDEO;
} else if (startcode >= 0x1c0 && startcode <= 0x1df) {
type = AVMEDIA_TYPE_AUDIO;
- codec_id = m->sofdec > 0 ? CODEC_ID_ADPCM_ADX : CODEC_ID_MP2;
+ codec_id = m->sofdec > 0 ? AV_CODEC_ID_ADPCM_ADX : AV_CODEC_ID_MP2;
} else if (startcode >= 0x80 && startcode <= 0x87) {
type = AVMEDIA_TYPE_AUDIO;
- codec_id = CODEC_ID_AC3;
+ codec_id = AV_CODEC_ID_AC3;
} else if ( ( startcode >= 0x88 && startcode <= 0x8f)
||( startcode >= 0x98 && startcode <= 0x9f)) {
/* 0x90 - 0x97 is reserved for SDDS in DVD specs */
type = AVMEDIA_TYPE_AUDIO;
- codec_id = CODEC_ID_DTS;
+ codec_id = AV_CODEC_ID_DTS;
} else if (startcode >= 0xa0 && startcode <= 0xaf) {
type = AVMEDIA_TYPE_AUDIO;
- /* 16 bit form will be handled as CODEC_ID_PCM_S16BE */
- codec_id = CODEC_ID_PCM_DVD;
+ if(lpcm_header_len == 6) {
+ codec_id = AV_CODEC_ID_MLP;
+ } else {
+ /* 16 bit form will be handled as AV_CODEC_ID_PCM_S16BE */
+ codec_id = AV_CODEC_ID_PCM_DVD;
+ }
} else if (startcode >= 0xb0 && startcode <= 0xbf) {
type = AVMEDIA_TYPE_AUDIO;
- codec_id = CODEC_ID_TRUEHD;
+ codec_id = AV_CODEC_ID_TRUEHD;
} else if (startcode >= 0xc0 && startcode <= 0xcf) {
/* Used for both AC-3 and E-AC-3 in EVOB files */
type = AVMEDIA_TYPE_AUDIO;
- codec_id = CODEC_ID_AC3;
+ codec_id = AV_CODEC_ID_AC3;
} else if (startcode >= 0x20 && startcode <= 0x3f) {
type = AVMEDIA_TYPE_SUBTITLE;
- codec_id = CODEC_ID_DVD_SUBTITLE;
+ codec_id = AV_CODEC_ID_DVD_SUBTITLE;
} else if (startcode >= 0xfd55 && startcode <= 0xfd5f) {
type = AVMEDIA_TYPE_VIDEO;
- codec_id = CODEC_ID_VC1;
- } else if (startcode == 0x1bd) {
- // check dvd audio substream type
- type = AVMEDIA_TYPE_AUDIO;
- switch(dvdaudio_substream_type & 0xe0) {
- case 0xa0: codec_id = CODEC_ID_PCM_DVD;
- break;
- case 0x80: if((dvdaudio_substream_type & 0xf8) == 0x88)
- codec_id = CODEC_ID_DTS;
- else codec_id = CODEC_ID_AC3;
- break;
- default: av_log(s, AV_LOG_ERROR, "Unknown 0x1bd sub-stream\n");
- goto skip;
- }
+ codec_id = AV_CODEC_ID_VC1;
} else {
skip:
/* skip packet */
st->codec->codec_type = type;
st->codec->codec_id = codec_id;
st->request_probe = request_probe;
- if (codec_id != CODEC_ID_PCM_S16BE)
+ if (codec_id != AV_CODEC_ID_PCM_S16BE)
st->need_parsing = AVSTREAM_PARSE_FULL;
found:
if(st->discard >= AVDISCARD_ALL)
goto skip;
- if ((startcode >= 0xa0 && startcode <= 0xaf) ||
- (startcode == 0x1bd && ((dvdaudio_substream_type & 0xe0) == 0xa0))) {
+ if (startcode >= 0xa0 && startcode <= 0xaf) {
+ if (lpcm_header_len == 6) {
+ if (len < 6)
+ goto skip;
+ avio_skip(s->pb, 6);
+ len -=6;
+ } else {
int b1, freq;
/* for LPCM, we just skip the header and consider it is raw
st->codec->sample_rate *
st->codec->bits_per_coded_sample;
if (st->codec->bits_per_coded_sample == 16)
- st->codec->codec_id = CODEC_ID_PCM_S16BE;
+ st->codec->codec_id = AV_CODEC_ID_PCM_S16BE;
else if (st->codec->bits_per_coded_sample == 28)
return AVERROR(EINVAL);
+ }
}
ret = av_get_packet(s->pb, pkt, len);
pkt->pts = pts;
AVInputFormat ff_mpegps_demuxer = {
.name = "mpeg",
- .long_name = NULL_IF_CONFIG_SMALL("MPEG-PS format"),
+ .long_name = NULL_IF_CONFIG_SMALL("MPEG-PS (MPEG-2 Program Stream)"),
.priv_data_size = sizeof(MpegDemuxContext),
.read_probe = mpegps_probe,
.read_header = mpegps_read_header,