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[FFmpeg-devel] avformat/hls: check segment duration value of EXTINF

Message ID 20200529033905.41926-1-lq@chinaffmpeg.org
State Accepted
Commit 9dfb19baeb86a8bb02c53a441682c6e9a6e104cc
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Series [FFmpeg-devel] avformat/hls: check segment duration value of EXTINF
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Commit Message

Steven Liu May 29, 2020, 3:39 a.m. UTC
fix ticket: 8673
set the default EXTINF duration to 1ms if duration is smaller than 1ms

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
---
 libavformat/hls.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
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Patch

diff --git a/libavformat/hls.c b/libavformat/hls.c
index 3e35d157ad..8c4126b880 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -883,8 +883,6 @@  static int parse_playlist(HLSContext *c, const char *url,
                     ret = AVERROR(ENOMEM);
                     goto fail;
                 }
-                seg->duration = duration;
-                seg->key_type = key_type;
                 if (has_iv) {
                     memcpy(seg->iv, iv, sizeof(iv));
                 } else {
@@ -914,6 +912,13 @@  static int parse_playlist(HLSContext *c, const char *url,
                     goto fail;
                 }
 
+                if (duration < 0.001 * AV_TIME_BASE) {
+                    av_log(c->ctx, AV_LOG_WARNING, "Cannot get correct #EXTINF value of segment %s,"
+                                    " set to default value to 1ms.\n", seg->url);
+                    duration = 0.001 * AV_TIME_BASE;
+                }
+                seg->duration = duration;
+                seg->key_type = key_type;
                 dynarray_add(&pls->segments, &pls->n_segments, seg);
                 is_segment = 0;