Set up packet duration correctly when encoding using FFmpeg (#2588).

[dcpomatic.git] / src / lib / ffmpeg_file_encoder.cc

diff --git a/src/lib/ffmpeg_file_encoder.cc b/src/lib/ffmpeg_file_encoder.cc
index 32a0e0f8620f3741ab09bd6c7456305541692130..f96a9458ec132c92993a138d39bf8e38094a0b33 100644 (file)
--- a/src/lib/ffmpeg_file_encoder.cc
+++ b/src/lib/ffmpeg_file_encoder.cc
@@ -383,6 +383,7 @@ FFmpegFileEncoder::flush ()
                        throw EncodeError (N_("avcodec_receive_packet"), N_("FFmpegFileEncoder::flush"), r);
                } else {
                        packet->stream_index = _video_stream_index;
+                       packet->duration = _video_stream->time_base.den / _video_frame_rate;
                        av_interleaved_write_frame (_format_context, packet.get());
                }
 
@@ -438,6 +439,7 @@ FFmpegFileEncoder::video (shared_ptr<PlayerVideo> video, DCPTime time)
                throw EncodeError (N_("avcodec_receive_packet"), N_("FFmpegFileEncoder::video"), r);
        } else if (r >= 0) {
                packet->stream_index = _video_stream_index;
+               packet->duration = _video_stream->time_base.den / _video_frame_rate;
                av_interleaved_write_frame (_format_context, packet.get());
        }
 }