[FFmpeg-cvslog] fftools/ffmpeg: reduce -re to -readrate 1
Anton Khirnov
git at videolan.org
Sun May 7 16:52:41 EEST 2023
ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Tue May 2 15:27:24 2023 +0200| [0e00d2351003dc21532e440dd63fdec9b5aab9e9] | committer: Anton Khirnov
fftools/ffmpeg: reduce -re to -readrate 1
They are exactly equivalent, so there is no point in maintaining a
separate flag for -re.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0e00d2351003dc21532e440dd63fdec9b5aab9e9
---
fftools/ffmpeg.c | 2 +-
fftools/ffmpeg.h | 1 -
fftools/ffmpeg_demux.c | 16 ++++++++--------
3 files changed, 9 insertions(+), 10 deletions(-)
diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index 8323c32ffd..afdb049f4e 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -1564,7 +1564,7 @@ static int transcode_init(void)
/* init framerate emulation */
for (int i = 0; i < nb_input_files; i++) {
InputFile *ifile = input_files[i];
- if (ifile->readrate || ifile->rate_emu)
+ if (ifile->readrate)
for (int j = 0; j < ifile->nb_streams; j++)
ifile->streams[j]->start = av_gettime_relative();
}
diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h
index a03a6b0302..b30f0758ec 100644
--- a/fftools/ffmpeg.h
+++ b/fftools/ffmpeg.h
@@ -484,7 +484,6 @@ typedef struct InputFile {
InputStream **streams;
int nb_streams;
- int rate_emu;
float readrate;
int accurate_seek;
diff --git a/fftools/ffmpeg_demux.c b/fftools/ffmpeg_demux.c
index e6f700f6c3..9eea5a4eec 100644
--- a/fftools/ffmpeg_demux.c
+++ b/fftools/ffmpeg_demux.c
@@ -450,13 +450,12 @@ int ifile_get_packet(InputFile *f, AVPacket **pkt)
return ret;
}
- if (f->readrate || f->rate_emu) {
+ if (f->readrate) {
int i;
int64_t file_start = copy_ts * (
(f->start_time_effective != AV_NOPTS_VALUE ? f->start_time_effective * !start_at_zero : 0) +
(f->start_time != AV_NOPTS_VALUE ? f->start_time : 0)
);
- float scale = f->rate_emu ? 1.0 : f->readrate;
int64_t burst_until = AV_TIME_BASE * d->readrate_initial_burst;
for (i = 0; i < f->nb_streams; i++) {
InputStream *ist = f->streams[i];
@@ -464,7 +463,7 @@ int ifile_get_packet(InputFile *f, AVPacket **pkt)
if (!ist->nb_packets) continue;
stream_ts_offset = FFMAX(ist->first_dts != AV_NOPTS_VALUE ? ist->first_dts : 0, file_start);
pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
- now = (av_gettime_relative() - ist->start) * scale + stream_ts_offset;
+ now = (av_gettime_relative() - ist->start) * f->readrate + stream_ts_offset;
if (pts - burst_until > now)
return AVERROR(EAGAIN);
}
@@ -1223,7 +1222,6 @@ int ifile_open(const OptionsContext *o, const char *filename)
f->input_sync_ref = o->input_sync_ref;
f->input_ts_offset = o->input_ts_offset;
f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
- f->rate_emu = o->rate_emu;
f->accurate_seek = o->accurate_seek;
d->loop = o->loop;
d->duration = 0;
@@ -1234,12 +1232,14 @@ int ifile_open(const OptionsContext *o, const char *filename)
av_log(d, AV_LOG_ERROR, "Option -readrate is %0.3f; it must be non-negative.\n", f->readrate);
exit_program(1);
}
- if (f->readrate && f->rate_emu) {
- av_log(d, AV_LOG_WARNING, "Both -readrate and -re set. Using -readrate %0.3f.\n", f->readrate);
- f->rate_emu = 0;
+ if (o->rate_emu) {
+ if (f->readrate) {
+ av_log(d, AV_LOG_WARNING, "Both -readrate and -re set. Using -readrate %0.3f.\n", f->readrate);
+ } else
+ f->readrate = 1.0f;
}
- if (f->readrate || f->rate_emu) {
+ if (f->readrate) {
d->readrate_initial_burst = o->readrate_initial_burst ? o->readrate_initial_burst : 0.5;
if (d->readrate_initial_burst < 0.0) {
av_log(d, AV_LOG_ERROR,
More information about the ffmpeg-cvslog
mailing list