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Proper PTS generation for Smacker audio

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Originally committed as revision 5390 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2006-05-17 03:05:34 +00:00
parent 103eee5352
commit 386b9b5f53
1 changed files with 5 additions and 1 deletions
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6
libavformat/smacker.c
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@ -63,6 +63,7 @@ typedef struct SmackerContext {
int stream_id[7];
int curstream;
offset_t nextpos;
int64_t aud_pts[7];
} SmackerContext;
typedef struct SmackerFrame {
@ -171,7 +172,6 @@ static int smacker_read_header(AVFormatContext *s, AVFormatParameters *ap)
if((smk->rates[i] & 0xFFFFFF) && !(smk->rates[i] & SMK_AUD_BINKAUD)){
ast[i] = av_new_stream(s, 0);
smk->indexes[i] = ast[i]->index;
av_set_pts_info(ast[i], 33, smk->pts_inc, tbase);
ast[i]->codec->codec_type = CODEC_TYPE_AUDIO;
ast[i]->codec->codec_id = (smk->rates[i] & SMK_AUD_PACKED) ? CODEC_ID_SMACKAUDIO : CODEC_ID_PCM_U8;
ast[i]->codec->codec_tag = MKTAG('S', 'M', 'K', 'A');
@ -180,6 +180,8 @@ static int smacker_read_header(AVFormatContext *s, AVFormatParameters *ap)
ast[i]->codec->bits_per_sample = (smk->rates[i] & SMK_AUD_16BITS) ? 16 : 8;
if(ast[i]->codec->bits_per_sample == 16 && ast[i]->codec->codec_id == CODEC_ID_PCM_U8)
ast[i]->codec->codec_id = CODEC_ID_PCM_S16LE;
av_set_pts_info(ast[i], 64, 1, ast[i]->codec->sample_rate
* ast[i]->codec->channels * ast[i]->codec->bits_per_sample / 8);
}
}
@ -306,6 +308,8 @@ static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
memcpy(pkt->data, smk->bufs[smk->curstream], smk->buf_sizes[smk->curstream]);
pkt->size = smk->buf_sizes[smk->curstream];
pkt->stream_index = smk->stream_id[smk->curstream];
pkt->pts = smk->aud_pts[smk->curstream];
smk->aud_pts[smk->curstream] += LE_32(pkt->data);
smk->curstream--;
}