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buildroot/buildroot-2016.08.1/package/ffmpeg/0005-Don-t-accept-mpegts-PMT-that-isn-t-current.patch 1.31 KB
6b13f685e   김민수   BSP 최초 추가
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  From 1f48ee2290e9041b0371eb9a9cb742e9568930a1 Mon Sep 17 00:00:00 2001
  From: Joakim Plate <elupus@ecce.se>
  Date: Sun, 18 Sep 2011 19:16:34 +0200
  Subject: [PATCH 05/13] Don't accept mpegts PMT that isn't current
  
  Patch part of the XBMC patch set for ffmpeg, downloaded from
  https://github.com/xbmc/FFmpeg/.
  
  Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
  Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
  ---
   libavformat/mpegts.c | 4 ++++
   1 file changed, 4 insertions(+)
  
  diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
  index 5dd28f1..9f85aed 100644
  --- a/libavformat/mpegts.c
  +++ b/libavformat/mpegts.c
  @@ -572,6 +572,7 @@ typedef struct SectionHeader {
       uint8_t tid;
       uint16_t id;
       uint8_t version;
  +    uint8_t current;
       uint8_t sec_num;
       uint8_t last_sec_num;
   } SectionHeader;
  @@ -643,6 +644,7 @@ static int parse_section_header(SectionHeader *h,
       val = get8(pp, p_end);
       if (val < 0)
           return val;
  +    h->current = val & 0x1;
       h->version = (val >> 1) & 0x1f;
       val = get8(pp, p_end);
       if (val < 0)
  @@ -1968,6 +1970,8 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
           return;
       if (ts->skip_changes)
           return;
  +    if (!h->current)
  +        return;
   
       ts->stream->ts_id = h->id;
   
  -- 
  2.1.0