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mov: Use defines for tfhd flags

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Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-02-16 20:48:30 +01:00
parent 6d702dc072
commit 73328f24fa
3 changed files with 25 additions and 16 deletions
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7
libavformat/isom.h
View File

@ -157,6 +157,13 @@ void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id);
#define MP4DecSpecificDescrTag 0x05
#define MP4SLDescrTag 0x06
#define MOV_TFHD_BASE_DATA_OFFSET 0x01
#define MOV_TFHD_STSD_ID 0x02
#define MOV_TFHD_DEFAULT_DURATION 0x08
#define MOV_TFHD_DEFAULT_SIZE 0x10
#define MOV_TFHD_DEFAULT_FLAGS 0x20
#define MOV_TFHD_DURATION_IS_EMPTY 0x010000
int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb, MOVAtom atom);
enum CodecID ff_mov_get_lpcm_codec_id(int bps, int flags);

16
libavformat/mov.c
View File

@ -2167,14 +2167,16 @@ static int mov_read_tfhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return AVERROR_INVALIDDATA;
}
if (flags & 0x01) frag->base_data_offset = avio_rb64(pb);
else frag->base_data_offset = frag->moof_offset;
if (flags & 0x02) frag->stsd_id = avio_rb32(pb);
else frag->stsd_id = trex->stsd_id;
frag->base_data_offset = flags & MOV_TFHD_BASE_DATA_OFFSET ?
avio_rb64(pb) : frag->moof_offset;
frag->stsd_id = flags & MOV_TFHD_STSD_ID ? avio_rb32(pb) : trex->stsd_id;
frag->duration = flags & 0x08 ? avio_rb32(pb) : trex->duration;
frag->size = flags & 0x10 ? avio_rb32(pb) : trex->size;
frag->flags = flags & 0x20 ? avio_rb32(pb) : trex->flags;
frag->duration = flags & MOV_TFHD_DEFAULT_DURATION ?
avio_rb32(pb) : trex->duration;
frag->size = flags & MOV_TFHD_DEFAULT_SIZE ?
avio_rb32(pb) : trex->size;
frag->flags = flags & MOV_TFHD_DEFAULT_FLAGS ?
avio_rb32(pb) : trex->flags;
av_dlog(c->fc, "frag flags 0x%x\n", frag->flags);
return 0;
}

18
libavformat/movenc.c
View File

@ -2179,19 +2179,19 @@ static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
int64_t moof_offset)
{
int64_t pos = avio_tell(pb);
/* default-sample-size + default-sample-duration + base-data-offset */
uint32_t flags = 0x19;
uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
MOV_TFHD_BASE_DATA_OFFSET;
if (!track->entry) {
flags |= 0x010000; /* duration-is-empty */
flags |= MOV_TFHD_DURATION_IS_EMPTY;
} else {
flags |= 0x20; /* default-sample-flags-present */
flags |= MOV_TFHD_DEFAULT_FLAGS;
}
/* Don't set a default sample size, the silverlight player refuses
* to play files with that set. Don't set a default sample duration,
* WMP freaks out if it is set. */
if (track->mode == MODE_ISM)
flags &= ~0x18;
flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
avio_wb32(pb, 0); /* size placeholder */
ffio_wfourcc(pb, "tfhd");
@ -2199,19 +2199,19 @@ static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
avio_wb24(pb, flags);
avio_wb32(pb, track->track_id); /* track-id */
if (flags & 0x01)
if (flags & MOV_TFHD_BASE_DATA_OFFSET)
avio_wb64(pb, moof_offset);
if (flags & 0x08) {
if (flags & MOV_TFHD_DEFAULT_DURATION) {
track->default_duration = track->audio_vbr ? track->enc->frame_size : 1;
avio_wb32(pb, track->default_duration);
}
if (flags & 0x10) {
if (flags & MOV_TFHD_DEFAULT_SIZE) {
track->default_size = track->entry ? track->cluster[0].size : 1;
avio_wb32(pb, track->default_size);
} else
track->default_size = -1;
if (flags & 0x20) {
if (flags & MOV_TFHD_DEFAULT_FLAGS) {
track->default_sample_flags =
track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
0x01010000 : 0x02000000;