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avformat/nsvdec: add support for STARDIVA format

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This commit is contained in:
Paul B Mahol 2023-01-09 01:57:29 +01:00
parent e30bf5acee
commit fc263f073e
1 changed files with 18 additions and 0 deletions
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18
libavformat/nsvdec.c
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@ -195,6 +195,7 @@ static const AVCodecTag nsv_codec_video_tags[] = {
{ AV_CODEC_ID_VP4, MKTAG('V', 'P', '4', '0') },
*/
{ AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') }, /* cf sample xvid decoder from nsv_codec_sdk.zip */
{ AV_CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
{ AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', '3') },
{ AV_CODEC_ID_NONE, 0 },
};
@ -203,6 +204,7 @@ static const AVCodecTag nsv_codec_audio_tags[] = {
{ AV_CODEC_ID_MP3, MKTAG('M', 'P', '3', ' ') },
{ AV_CODEC_ID_AAC, MKTAG('A', 'A', 'C', ' ') },
{ AV_CODEC_ID_AAC, MKTAG('A', 'A', 'C', 'P') },
{ AV_CODEC_ID_AAC, MKTAG('A', 'A', 'V', ' ') },
{ AV_CODEC_ID_AAC, MKTAG('V', 'L', 'B', ' ') },
{ AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', ' ') },
{ AV_CODEC_ID_PCM_U16LE, MKTAG('P', 'C', 'M', ' ') },
@ -461,6 +463,22 @@ static int nsv_parse_NSVs_header(AVFormatContext *s)
st->codecpar->codec_tag = atag;
st->codecpar->codec_id = ff_codec_get_id(nsv_codec_audio_tags, atag);
if (atag == MKTAG('A', 'A', 'V', ' ')) {
static const uint8_t aav_pce[] = {
0x12, 0x00, 0x05, 0x08, 0x48, 0x00,
0x20, 0x00, 0xC6, 0x40, 0x04, 0x4C,
0x61, 0x76, 0x63, 0x56, 0xE5, 0x00,
0x00, 0x00,
};
int ret;
if ((ret = ff_alloc_extradata(st->codecpar, sizeof(aav_pce))) < 0)
return ret;
st->codecpar->sample_rate = 44100;
memcpy(st->codecpar->extradata, aav_pce, sizeof(aav_pce));
}
ffstream(st)->need_parsing = AVSTREAM_PARSE_FULL; /* for PCM we will read a chunk later and put correct info */
/* set timebase to common denominator of ms and framerate */