allow ffmpeg video to resample curr_pos, add bluray format

diff --git a/cinelerra-5.0/cinelerra/ffmpeg.C b/cinelerra-5.0/cinelerra/ffmpeg.C
index 7f0b5b77431c1f6ed987fff889400a39077a3865..a1a2f0766cb4335dfc32f461f9e74b5a31af83d1 100644 (file)
--- a/cinelerra-5.0/cinelerra/ffmpeg.C
+++ b/cinelerra-5.0/cinelerra/ffmpeg.C
@@ -653,6 +653,7 @@ int FFVideoStream::video_seek(int64_t pos)
        if( gop < 4 ) gop = 4;
        if( gop > 64 ) gop = 64;
        if( pos >= curr_pos && pos <= curr_pos + gop ) return 0;
+       if( pos == curr_pos-1 && curr_pos > seek_pos ) return 0;
        if( !st->codec || !st->codec->codec ) return -1;
        avcodec_flush_buffers(st->codec);
 // back up a few frames to read up to current to help repair damages