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[FFmpeg-devel,V1,3/5] lavf/hls: support probesize/max_analyze_duration when open sub-demuxer

Message ID 1572706501-28512-3-git-send-email-mypopydev@gmail.com
State Accepted
Commit 5307c12acbafb1640123ab6d9591b3c1ab9d4c5d
Headers show

Commit Message

Jun Zhao Nov. 2, 2019, 2:54 p.m. UTC 
From: Jun Zhao <barryjzhao@tencent.com>

Add probesize/max_analyze_duration support when open the sub-demuxer,
it's will be used to minimizing the initial delay.

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
---
 libavformat/hls.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
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Patch

diff --git a/libavformat/hls.c b/libavformat/hls.c
index 8ce1ad9..17a75e2 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -1907,6 +1907,8 @@  static int hls_read_header(AVFormatContext *s)
         }
         ffio_init_context(&pls->pb, pls->read_buffer, INITIAL_BUFFER_SIZE, 0, pls,
                           read_data, NULL, NULL);
+        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, pls->segments[0]->url,
                                     NULL, 0, 0);
         if (ret < 0) {