cinelerra-5.1/thirdparty/src/ffmpeg.git.patch3

   1 diff -urN a/libavformat/avformat.h b/libavformat/avformat.h
   2 --- a/libavformat/avformat.h    2019-12-02 08:48:03.103361418 -0700
   3 +++ b/libavformat/avformat.h    2019-12-02 08:52:16.724218813 -0700
   4 @@ -485,6 +485,9 @@
   5                                          The user or muxer can override this through
   6                                          AVFormatContext.avoid_negative_ts
   7                                          */
   8 +#define AVFMT_SEEK_NOSTREAMS  0x80000 /**< Stream index ignored by seek,
   9 +                                           or some streams fail to seek
  10 +                                           */
  11
  12  #define AVFMT_SEEK_TO_PTS   0x4000000 /**< Seeking is based on PTS */
  13
  14 @@ -654,7 +657,8 @@
  15      /**
  16       * Can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER, AVFMT_SHOW_IDS,
  17       * AVFMT_NOTIMESTAMPS, AVFMT_GENERIC_INDEX, AVFMT_TS_DISCONT, AVFMT_NOBINSEARCH,
  18 -     * AVFMT_NOGENSEARCH, AVFMT_NO_BYTE_SEEK, AVFMT_SEEK_TO_PTS.
  19 +     * AVFMT_NOGENSEARCH, AVFMT_NO_BYTE_SEEK, AVFMT_SEEK_TO_PTS,
  20 +     * AVFMT_SEEK_NOSTREAMS
  21       */
  22      int flags;
  23
  24 diff -urN a/libavformat/dv.c b/libavformat/dv.c
  25 --- a/libavformat/dv.c  2019-12-02 08:48:03.107361432 -0700
  26 +++ b/libavformat/dv.c  2019-12-02 08:52:16.724218813 -0700
  27 @@ -642,6 +642,7 @@
  28  AVInputFormat ff_dv_demuxer = {
  29      .name           = "dv",
  30      .long_name      = NULL_IF_CONFIG_SMALL("DV (Digital Video)"),
  31 +    .flags          = AVFMT_SEEK_NOSTREAMS,
  32      .priv_data_size = sizeof(RawDVContext),
  33      .read_probe     = dv_probe,
  34      .read_header    = dv_read_header,
  35 diff -urN a/libavformat/matroskadec.c b/libavformat/matroskadec.c
  36 --- a/libavformat/matroskadec.c 2019-12-02 08:48:03.116361462 -0700
  37 +++ b/libavformat/matroskadec.c 2019-12-02 08:52:16.725218816 -0700
  38 @@ -4224,6 +4224,7 @@
  39  AVInputFormat ff_matroska_demuxer = {
  40      .name           = "matroska,webm",
  41      .long_name      = NULL_IF_CONFIG_SMALL("Matroska / WebM"),
  42 +    .flags          = AVFMT_SEEK_NOSTREAMS,
  43      .extensions     = "mkv,mk3d,mka,mks",
  44      .priv_data_size = sizeof(MatroskaDemuxContext),
  45      .read_probe     = matroska_probe,
  46 @@ -4237,6 +4238,7 @@
  47  AVInputFormat ff_webm_dash_manifest_demuxer = {
  48      .name           = "webm_dash_manifest",
  49      .long_name      = NULL_IF_CONFIG_SMALL("WebM DASH Manifest"),
  50 +    .flags          = AVFMT_SEEK_NOSTREAMS,
  51      .priv_data_size = sizeof(MatroskaDemuxContext),
  52      .read_header    = webm_dash_manifest_read_header,
  53      .read_packet    = webm_dash_manifest_read_packet,
  54 diff -urN a/libavformat/utils.c b/libavformat/utils.c
  55 --- a/libavformat/utils.c       2019-12-02 08:48:03.138361536 -0700
  56 +++ b/libavformat/utils.c       2019-12-02 08:52:16.726218820 -0700
  57 @@ -2488,6 +2488,13 @@
  58          return seek_frame_byte(s, stream_index, timestamp, flags);
  59      }
  60
  61 +    if (stream_index != -1 && (s->iformat->flags & AVFMT_SEEK_NOSTREAMS)) {
  62 +            timestamp = av_rescale_q(timestamp,
  63 +                    s->streams[stream_index]->time_base,
  64 +                    AV_TIME_BASE_Q);
  65 +            stream_index = -1;
  66 +    }
  67 +
  68      if (stream_index < 0) {
  69          stream_index = av_find_default_stream_index(s);
  70          if (stream_index < 0)