ffmpeg: add option readrate

Allows to read inputs at arbitrary rates.
-re is equivalent to -readrate 1

Tested with -copyts {+ start_at_zero}, -ss, streamcopied & decoded streams.

1 files changed, 2 insertions, 0 deletions

diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h
index 3cfb4c4488..6308fb5aeb 100644
--- a/fftools/ffmpeg.h
+++ b/fftools/ffmpeg.h
@@ -119,6 +119,7 @@ typedef struct OptionsContext {
     int64_t input_ts_offset;
     int loop;
     int rate_emu;
+    float readrate;
     int accurate_seek;
     int thread_queue_size;
 
@@ -418,6 +419,7 @@ typedef struct InputFile {
                              from ctx.nb_streams if new streams appear during av_read_frame() */
     int nb_streams_warn;  /* number of streams that the user was warned of */
     int rate_emu;
+    float readrate;
     int accurate_seek;
 
     AVPacket *pkt;