X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_decoder.cc;h=0936d1bda4f9641bccc1c5c3ab05d97ab81736c6;hb=0f3c2864599f9e5a5ec001266b4aefb0205d1e1f;hp=38b9e8ced058c77d23dd0396a1621837181a809f;hpb=aebfa24afe42d80693df66318e5d2818ebf5989b;p=dcpomatic.git diff --git a/src/lib/video_decoder.cc b/src/lib/video_decoder.cc index 38b9e8ced..0936d1bda 100644 --- a/src/lib/video_decoder.cc +++ b/src/lib/video_decoder.cc @@ -73,7 +73,7 @@ VideoDecoder::get_video (Frame frame, bool accurate) if (_no_data_frame && frame >= _no_data_frame.get()) { return list (); } - + /* At this stage, if we have get_video()ed before, _decoded_video will contain the last frame that this method returned (and possibly a few more). If the requested frame is not in _decoded_video and it is not the next one after the end of _decoded_video we need to seek. @@ -96,6 +96,8 @@ VideoDecoder::get_video (Frame frame, bool accurate) /* We are being accurate, so we want the right frame. * This could all be one statement but it's split up for clarity. */ + bool no_data = false; + while (true) { if (!decoded_video(frame).empty ()) { /* We got what we want */ @@ -104,7 +106,7 @@ VideoDecoder::get_video (Frame frame, bool accurate) if (pass (PASS_REASON_VIDEO, accurate)) { /* The decoder has nothing more for us */ - _no_data_frame = frame; + no_data = true; break; } @@ -118,6 +120,11 @@ VideoDecoder::get_video (Frame frame, bool accurate) } dec = decoded_video (frame); + + if (no_data && dec.empty()) { + _no_data_frame = frame; + } + } else { /* Any frame will do: use the first one that comes out of pass() */ while (_decoded_video.empty() && !pass (PASS_REASON_VIDEO, accurate)) {}