[FFmpeg-cvslog] lavf/dashenc: enable probesize/max_analyze_duration setting in sub-demuxer
Jun Zhao
git at videolan.org
Fri Nov 8 05:57:47 EET 2019
ffmpeg | branch: master | Jun Zhao <barryjzhao at tencent.com> | Sat Nov 2 22:46:00 2019 +0800| [a23c8d75ec34ea6dbc3c88e88f0ec6b6d6cbe91d] | committer: Jun Zhao
lavf/dashenc: enable probesize/max_analyze_duration setting in sub-demuxer
Enable probesize/max_analyze_duration setting when open the sub-demuxer,
it's will be used to minimizing the initial delay.
Signed-off-by: Jun Zhao <barryjzhao at tencent.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a23c8d75ec34ea6dbc3c88e88f0ec6b6d6cbe91d
---
libavformat/dashdec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c
index 7713ee8907..facee4e45a 100644
--- a/libavformat/dashdec.c
+++ b/libavformat/dashdec.c
@@ -1935,8 +1935,8 @@ static int reopen_demux_for_component(AVFormatContext *s, struct representation
goto fail;
pls->ctx->flags = AVFMT_FLAG_CUSTOM_IO;
- pls->ctx->probesize = 1024 * 4;
- pls->ctx->max_analyze_duration = 4 * AV_TIME_BASE;
+ pls->ctx->probesize = s->probesize > 0 ? s->probesize : 1024 * 4;;
+ pls->ctx->max_analyze_duration = s->max_analyze_duration > 0 ? s->max_analyze_duration : 4 * AV_TIME_BASE;
ret = av_probe_input_buffer(&pls->pb, &in_fmt, "", NULL, 0, 0);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Error when loading first fragment, playlist %d\n", (int)pls->rep_idx);
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