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avformat/dashdec: The segments in dash file doesn't read completely when segment's size and duration is very small.

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If the segment is very small, avformat_find_stream_info
will read all audio/video data in this segment.
cur->is_restart_needed is set to 0 later in dash_read_packet,
and no chance to be set to 1 again in the read_data function.

Reproduction:
ffmpeg -f lavfi -i mandelbrot -f lavfi -i anullsrc -c:v vp8 \
 -g 5 -r 5 -c:a libopus -use_template 0 -seg_duration 1 \
 -t 15 -y test_720.mpd
ffprobe -show_packets test_720.mpd
This commit is contained in:
jiangjie 2024-09-02 16:16:05 +08:00 committed by Steven Liu
parent 6229e4ac42
commit f606872ed0
1 changed files with 1 additions and 1 deletions
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2
libavformat/dashdec.c
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@ -2208,9 +2208,9 @@ static int dash_read_packet(AVFormatContext *s, AVPacket *pkt)
if (cur->is_restart_needed) {
cur->cur_seg_offset = 0;
cur->init_sec_buf_read_offset = 0;
cur->is_restart_needed = 0;
ff_format_io_close(cur->parent, &cur->input);
ret = reopen_demux_for_component(s, cur);
cur->is_restart_needed = 0;
}
}
return AVERROR_EOF;