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cosmetics, sample_size_v1 -> bytes_per_frame / samples_per_frame

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Originally committed as revision 8464 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2007-03-21 10:28:03 +00:00
parent 638fd2fce7
commit e14f79ed37
1 changed files with 6 additions and 5 deletions
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11
libavformat/mov.c
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@ -168,7 +168,8 @@ typedef struct MOVStreamContext {
int time_rate;
long current_sample;
MOV_esds_t esds;
AVRational sample_size_v1;
unsigned int bytes_per_frame;
unsigned int samples_per_frame;
int dv_audio_container;
} MOVStreamContext;
@ -843,9 +844,9 @@ static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
dprintf(c->fc, "version =%d, isom =%d\n",version,c->isom);
if(!c->isom) {
if(version==1) {
sc->sample_size_v1.den = get_be32(pb); /* samples per packet */
sc->samples_per_frame = get_be32(pb);
get_be32(pb); /* bytes per packet */
sc->sample_size_v1.num = get_be32(pb); /* bytes per frame */
sc->bytes_per_frame = get_be32(pb);
get_be32(pb); /* bytes per sample */
} else if(version==2) {
get_be32(pb); /* sizeof struct only */
@ -1415,8 +1416,8 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
/* get chunk size */
if (sc->sample_size > 1 || st->codec->codec_id == CODEC_ID_PCM_U8 || st->codec->codec_id == CODEC_ID_PCM_S8)
chunk_size = chunk_samples * sc->sample_size;
else if (sc->sample_size_v1.den > 0 && (chunk_samples * sc->sample_size_v1.num % sc->sample_size_v1.den == 0))
chunk_size = chunk_samples * sc->sample_size_v1.num / sc->sample_size_v1.den;
else if (sc->samples_per_frame > 0 && (chunk_samples * sc->bytes_per_frame % sc->samples_per_frame == 0))
chunk_size = chunk_samples * sc->bytes_per_frame / sc->samples_per_frame;
else { /* workaround to find nearest next chunk offset */
chunk_size = INT_MAX;
for (j = 0; j < mov->total_streams; j++) {