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Merge commit '30a041887f89cd97c372ad6a516da6e012f2c88b' 

* commit '30a041887f89cd97c372ad6a516da6e012f2c88b':
  ismindex: Calculate the pts duration of trun atoms, not the dts duration

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-03-19 14:00:32 +01:00
parent b5448e66b0 30a041887f
commit 5440d4b68b
1 changed files with 10 additions and 4 deletions
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14
tools/ismindex.c
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@ -230,10 +230,12 @@ fail:
static int64_t read_trun_duration(AVIOContext *in, int default_duration,
int64_t end)
{
int64_t ret = 0;
int64_t dts = 0;
int64_t pos;
int flags, i;
int entries;
int64_t first_pts = 0;
int64_t max_pts = 0;
avio_r8(in); /* version */
flags = avio_rb24(in);
if (default_duration <= 0 && !(flags & MOV_TRUN_SAMPLE_DURATION)) {
@ -248,19 +250,23 @@ static int64_t read_trun_duration(AVIOContext *in, int default_duration,
pos = avio_tell(in);
for (i = 0; i < entries && pos < end; i++) {
int sample_duration = default_duration;
int64_t pts = dts;
if (flags & MOV_TRUN_SAMPLE_DURATION) sample_duration = avio_rb32(in);
if (flags & MOV_TRUN_SAMPLE_SIZE) avio_rb32(in);
if (flags & MOV_TRUN_SAMPLE_FLAGS) avio_rb32(in);
if (flags & MOV_TRUN_SAMPLE_CTS) avio_rb32(in);
if (flags & MOV_TRUN_SAMPLE_CTS) pts += avio_rb32(in);
if (sample_duration < 0) {
fprintf(stderr, "Negative sample duration %d\n", sample_duration);
return -1;
}
ret += sample_duration;
if (i == 0)
first_pts = pts;
max_pts = FFMAX(max_pts, pts + sample_duration);
dts += sample_duration;
pos = avio_tell(in);
}
return ret;
return max_pts - first_pts;
}
static int64_t read_moof_duration(AVIOContext *in, int64_t offset)