lavf/hls: support probesize/max_analyze_duration when open sub-demuxer
authorJun Zhao <barryjzhao@tencent.com>
Sat, 2 Nov 2019 11:48:28 +0000 (19:48 +0800)
committerJun Zhao <barryjzhao@tencent.com>
Fri, 8 Nov 2019 03:39:02 +0000 (11:39 +0800)
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

index 8ce1ad9..17a75e2 100644 (file)
@@ -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) {