RepoMirrors
/
mpv
mirror of https://github.com/mpv-player/mpv
1
0
Fork 0
Code Issues Releases Wiki Activity

audio: add a helper for getting frame end PTS 

Although I don't see any use for it yet, why not.
This commit is contained in:
wm4 2016-06-27 15:02:41 +02:00
parent 3e58ce96ac
commit 4ce53025cb
2 changed files with 11 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
audio/audio.c
View File

@ -257,13 +257,21 @@ void mp_audio_skip_samples(struct mp_audio *data, int samples)
data->pts += samples / (double)data->rate;
}
// Return the timestamp of the sample just after the end of this frame.
double mp_audio_end_pts(struct mp_audio *f)
{
if (f->pts == MP_NOPTS_VALUE || f->rate < 1)
return MP_NOPTS_VALUE;
return f->pts + f->samples / (double)f->rate;
}
// Clip the given frame to the given timestamp range. Adjusts the frame size
// and timestamp.
void mp_audio_clip_timestamps(struct mp_audio *f, double start, double end)
{
if (f->pts == MP_NOPTS_VALUE || f->rate < 1)
double f_end = mp_audio_end_pts(f);
if (f_end == MP_NOPTS_VALUE)
return;
double f_end = f->pts + f->samples / (double)f->rate;
if (end != MP_NOPTS_VALUE) {
if (f_end >= end) {
if (f->pts >= end) {

1
audio/audio.h
View File

@ -73,6 +73,7 @@ void mp_audio_copy(struct mp_audio *dst, int dst_offset,
void mp_audio_copy_attributes(struct mp_audio *dst, struct mp_audio *src);
void mp_audio_skip_samples(struct mp_audio *data, int samples);
void mp_audio_clip_timestamps(struct mp_audio *f, double start, double end);
double mp_audio_end_pts(struct mp_audio *data);
bool mp_audio_is_writeable(struct mp_audio *data);
int mp_audio_make_writeable(struct mp_audio *data);