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Use little endian for caf codec tags.

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This commit is contained in:
Carl Eugen Hoyos 2011-07-24 23:52:42 +02:00
parent 9e4ed295da
commit 88084eecdf
3 changed files with 30 additions and 30 deletions
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52
libavformat/caf.c
View File

@ -32,34 +32,34 @@
* Known codec tags for CAF
*/
const AVCodecTag ff_codec_caf_tags[] = {
{ CODEC_ID_AAC, MKBETAG('a','a','c',' ') },
{ CODEC_ID_AC3, MKBETAG('a','c','-','3') },
{ CODEC_ID_ALAC, MKBETAG('a','l','a','c') },
{ CODEC_ID_AAC, MKTAG('a','a','c',' ') },
{ CODEC_ID_AC3, MKTAG('a','c','-','3') },
{ CODEC_ID_ALAC, MKTAG('a','l','a','c') },
/* FIXME: use DV demuxer, as done in MOV */
/*{ CODEC_ID_DVAUDIO, MKBETAG('v','d','v','a') },*/
/*{ CODEC_ID_DVAUDIO, MKBETAG('d','v','c','a') },*/
{ CODEC_ID_ADPCM_IMA_QT, MKBETAG('i','m','a','4') },
{ CODEC_ID_ADPCM_IMA_WAV, MKBETAG('m','s', 0, 17 ) },
{ CODEC_ID_ADPCM_MS, MKBETAG('m','s', 0, 2 ) },
{ CODEC_ID_AMR_NB, MKBETAG('s','a','m','r') },
{ CODEC_ID_GSM, MKBETAG('a','g','s','m') },
{ CODEC_ID_GSM_MS, MKBETAG('m','s', 0, '1') },
{ CODEC_ID_MACE3, MKBETAG('M','A','C','3') },
{ CODEC_ID_MACE6, MKBETAG('M','A','C','6') },
{ CODEC_ID_MP3, MKBETAG('.','m','p','3') },
{ CODEC_ID_MP3, MKBETAG('m','s', 0 ,'U') },
{ CODEC_ID_MP2, MKBETAG('.','m','p','2') },
{ CODEC_ID_MP1, MKBETAG('.','m','p','1') },
{ CODEC_ID_PCM_ALAW, MKBETAG('a','l','a','w') },
{ CODEC_ID_PCM_MULAW, MKBETAG('u','l','a','w') },
{ CODEC_ID_QCELP, MKBETAG('Q','c','l','p') },
{ CODEC_ID_QDM2, MKBETAG('Q','D','M','2') },
{ CODEC_ID_QDM2, MKBETAG('Q','D','M','C') },
/*{ CODEC_ID_DVAUDIO, MKTAG('v','d','v','a') },*/
/*{ CODEC_ID_DVAUDIO, MKTAG('d','v','c','a') },*/
{ CODEC_ID_ADPCM_IMA_QT, MKTAG('i','m','a','4') },
{ CODEC_ID_ADPCM_IMA_WAV, MKTAG('m','s', 0, 17 ) },
{ CODEC_ID_ADPCM_MS, MKTAG('m','s', 0, 2 ) },
{ CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
{ CODEC_ID_GSM, MKTAG('a','g','s','m') },
{ CODEC_ID_GSM_MS, MKTAG('m','s', 0, '1') },
{ CODEC_ID_MACE3, MKTAG('M','A','C','3') },
{ CODEC_ID_MACE6, MKTAG('M','A','C','6') },
{ CODEC_ID_MP3, MKTAG('.','m','p','3') },
{ CODEC_ID_MP3, MKTAG('m','s', 0 ,'U') },
{ CODEC_ID_MP2, MKTAG('.','m','p','2') },
{ CODEC_ID_MP1, MKTAG('.','m','p','1') },
{ CODEC_ID_PCM_ALAW, MKTAG('a','l','a','w') },
{ CODEC_ID_PCM_MULAW, MKTAG('u','l','a','w') },
{ CODEC_ID_QCELP, MKTAG('Q','c','l','p') },
{ CODEC_ID_QDM2, MKTAG('Q','D','M','2') },
{ CODEC_ID_QDM2, MKTAG('Q','D','M','C') },
/* currently unsupported codecs */
/*{ AC-3 over S/PDIF MKBETAG('c','a','c','3') },*/
/*{ MPEG4CELP MKBETAG('c','e','l','p') },*/
/*{ MPEG4HVXC MKBETAG('h','v','x','c') },*/
/*{ MPEG4TwinVQ MKBETAG('t','w','v','q') },*/
/*{ AC-3 over S/PDIF MKTAG('c','a','c','3') },*/
/*{ MPEG4CELP MKTAG('c','e','l','p') },*/
/*{ MPEG4HVXC MKTAG('h','v','x','c') },*/
/*{ MPEG4TwinVQ MKTAG('t','w','v','q') },*/
{ CODEC_ID_NONE, 0 },
};

4
libavformat/cafdec.c
View File

@ -68,7 +68,7 @@ static int read_desc_chunk(AVFormatContext *s)
/* parse format description */
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->sample_rate = av_int2dbl(avio_rb64(pb));
st->codec->codec_tag = avio_rb32(pb);
st->codec->codec_tag = avio_rl32(pb);
flags = avio_rb32(pb);
caf->bytes_per_packet = avio_rb32(pb);
st->codec->block_align = caf->bytes_per_packet;
@ -85,7 +85,7 @@ static int read_desc_chunk(AVFormatContext *s)
}
/* determine codec */
if (st->codec->codec_tag == MKBETAG('l','p','c','m'))
if (st->codec->codec_tag == MKTAG('l','p','c','m'))
st->codec->codec_id = ff_mov_get_lpcm_codec_id(st->codec->bits_per_coded_sample, (flags ^ 0x2) | 0x4);
else
st->codec->codec_id = ff_codec_get_id(ff_codec_caf_tags, st->codec->codec_tag);

4
libavformat/cafenc.c
View File

@ -114,7 +114,7 @@ static int caf_write_header(AVFormatContext *s)
case CODEC_ID_PCM_F64BE:
case CODEC_ID_PCM_ALAW:
case CODEC_ID_PCM_MULAW:
codec_tag = MKBETAG('l','p','c','m');
codec_tag = MKTAG('l','p','c','m');
}
if (!codec_tag) {
@ -134,7 +134,7 @@ static int caf_write_header(AVFormatContext *s)
ffio_wfourcc(pb, "desc"); //< Audio Description chunk
avio_wb64(pb, 32); //< mChunkSize
avio_wb64(pb, av_dbl2int(enc->sample_rate)); //< mSampleRate
avio_wb32(pb, codec_tag); //< mFormatID
avio_wl32(pb, codec_tag); //< mFormatID
avio_wb32(pb, codec_flags(enc->codec_id)); //< mFormatFlags
avio_wb32(pb, enc->block_align); //< mBytesPerPacket
avio_wb32(pb, samples_per_packet(enc->codec_id, enc->channels)); //< mFramesPerPacket