[FFmpeg-devel] [PATCH 1/5] avdevice/alsa_dec: do not set codecpar frame_size

Marton Balint cus at passwd.hu
Sun Feb 21 18:46:55 EET 2021


Constant frame size is not guaranteed if the read call interrupted by a signal,
or if non-blocking mode is used.

Signed-off-by: Marton Balint <cus at passwd.hu>
---
 libavdevice/alsa_dec.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/libavdevice/alsa_dec.c b/libavdevice/alsa_dec.c
index 36494e921c..6d568737b3 100644
--- a/libavdevice/alsa_dec.c
+++ b/libavdevice/alsa_dec.c
@@ -83,7 +83,6 @@ static av_cold int audio_read_header(AVFormatContext *s1)
     st->codecpar->codec_id    = codec_id;
     st->codecpar->sample_rate = s->sample_rate;
     st->codecpar->channels    = s->channels;
-    st->codecpar->frame_size = s->frame_size;
     avpriv_set_pts_info(st, 64, 1, 1000000);  /* 64 bits pts in us */
     /* microseconds instead of seconds, MHz instead of Hz */
     s->timefilter = ff_timefilter_new(1000000.0 / s->sample_rate,
-- 
2.26.2



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