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ffmpeg
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use 64bit atom version if needed 

Originally committed as revision 5220 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2006-03-26 13:34:51 +00:00
parent d766800b78
commit a3a80ddca0
1 changed files with 46 additions and 20 deletions
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66
libavformat/movenc.c
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@ -51,7 +51,7 @@ typedef struct MOVIndex {
int ents_allocated;
long timescale;
long time;
long trackDuration;
int64_t trackDuration;
long sampleCount;
long sampleDuration;
int hasKeyframes;
@ -67,7 +67,7 @@ typedef struct MOVIndex {
typedef struct MOVContext {
int mode;
long time;
int64_t time;
int nb_streams;
int mdat_written;
offset_t mdat_pos;
@ -848,13 +848,21 @@ static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
{
put_be32(pb, 32); /* size */
int version = track->trackDuration < INT32_MAX ? 0 : 1;
(version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
put_tag(pb, "mdhd");
put_be32(pb, 0); /* Version & flags */
put_be32(pb, track->time); /* creation time */
put_be32(pb, track->time); /* modification time */
put_byte(pb, version);
put_be24(pb, 0); /* flags */
if (version == 1) {
put_be64(pb, track->time);
put_be64(pb, track->time);
} else {
put_be32(pb, track->time); /* creation time */
put_be32(pb, track->time); /* modification time */
}
put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
put_be32(pb, track->trackDuration); /* duration */
(version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
put_be16(pb, track->language); /* language */
put_be16(pb, 0); /* reserved (quality) */
return 32;
@ -873,14 +881,23 @@ static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
{
put_be32(pb, 0x5c); /* size (always 0x5c) */
int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
int version = duration < INT32_MAX ? 0 : 1;
(version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
put_tag(pb, "tkhd");
put_be32(pb, 0xf); /* version & flags (track enabled) */
put_be32(pb, track->time); /* creation time */
put_be32(pb, track->time); /* modification time */
put_byte(pb, version);
put_be24(pb, 0xf); /* flags (track enabled) */
if (version == 1) {
put_be64(pb, track->time);
put_be64(pb, track->time);
} else {
put_be32(pb, track->time); /* creation time */
put_be32(pb, track->time); /* modification time */
}
put_be32(pb, track->trackID); /* track-id */
put_be32(pb, 0); /* reserved */
put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration */
(version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
put_be32(pb, 0); /* reserved */
put_be32(pb, 0); /* reserved */
@ -987,13 +1004,8 @@ static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
{
int maxTrackID = 1, i;
int64_t maxTrackLenTemp, maxTrackLen = 0;
int version;
put_be32(pb, 0x6c); /* size (always 0x6c) */
put_tag(pb, "mvhd");
put_be32(pb, 0); /* version & flags */
put_be32(pb, mov->time); /* creation time */
put_be32(pb, mov->time); /* modification time */
put_be32(pb, mov->timescale); /* timescale */
for (i=0; i<MAX_STREAMS; i++) {
if(mov->tracks[i].entry > 0) {
maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
@ -1003,7 +1015,21 @@ static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
maxTrackID = mov->tracks[i].trackID;
}
}
put_be32(pb, maxTrackLen); /* duration of longest track */
version = maxTrackLen < UINT32_MAX ? 0 : 1;
(version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
put_tag(pb, "mvhd");
put_byte(pb, version);
put_be24(pb, 0); /* flags */
if (version == 1) {
put_be64(pb, mov->time);
put_be64(pb, mov->time);
} else {
put_be32(pb, mov->time); /* creation time */
put_be32(pb, mov->time); /* modification time */
}
put_be32(pb, mov->timescale); /* timescale */
(version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
@ -1413,7 +1439,7 @@ static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
}
mov->tracks[i].trackDuration =
mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration;
(int64_t)mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration;
mov->tracks[i].time = mov->time;
mov->tracks[i].trackID = i+1;
}