added keyframes to progressive streaming
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@ -178,9 +178,7 @@ namespace MediaBrowser.Api.Playback.Hls
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var probeSize = Kernel.Instance.FFMpegManager.GetProbeSizeArgument(state.Item);
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const string keyFrameArg = " -force_key_frames expr:if(isnan(prev_forced_t),gte(t,0),gte(t,prev_forced_t+5))";
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return string.Format("{0} {1} -i {2}{3} -threads 0 {4} {5} {6}{7} -f ssegment -segment_list_flags +live -segment_time 10 -segment_list \"{8}\" \"{9}\"",
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return string.Format("{0} {1} -i {2}{3} -threads 0 {4} {5} {6} -f ssegment -segment_list_flags +live -segment_time 10 -segment_list \"{7}\" \"{8}\"",
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probeSize,
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GetFastSeekCommandLineParameter(state.Request),
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GetInputArgument(state.Item, state.IsoMount),
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@ -188,7 +186,6 @@ namespace MediaBrowser.Api.Playback.Hls
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GetMapArgs(state),
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GetVideoArguments(state),
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GetAudioArguments(state),
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keyFrameArg,
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outputPath,
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segmentOutputPath
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).Trim();
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@ -115,7 +115,9 @@ namespace MediaBrowser.Api.Playback.Hls
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return IsH264(state.VideoStream) ? "-codec:v:0 copy -bsf h264_mp4toannexb" : "-codec:v:0 copy";
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}
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var args = "-codec:v:0 " + codec + " -preset superfast";
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const string keyFrameArg = " -force_key_frames expr:if(isnan(prev_forced_t),gte(t,0),gte(t,prev_forced_t+5))";
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var args = "-codec:v:0 " + codec + " -preset superfast" + keyFrameArg;
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if (state.VideoRequest.VideoBitRate.HasValue)
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{
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@ -131,11 +131,18 @@ namespace MediaBrowser.Api.Playback.Progressive
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{
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var args = "-vcodec " + videoCodec;
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// See if we can save come cpu cycles by avoiding encoding
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if (videoCodec.Equals("copy", StringComparison.OrdinalIgnoreCase))
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{
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return IsH264(state.VideoStream) ? args + " -bsf h264_mp4toannexb" : args;
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}
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const string keyFrameArg = " -force_key_frames expr:if(isnan(prev_forced_t),gte(t,0),gte(t,prev_forced_t+2))";
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args += keyFrameArg;
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var request = state.VideoRequest;
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// If we're encoding video, add additional params
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if (!videoCodec.Equals("copy", StringComparison.OrdinalIgnoreCase))
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{
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// Add resolution params, if specified
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if (request.Width.HasValue || request.Height.HasValue || request.MaxHeight.HasValue || request.MaxWidth.HasValue)
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{
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@ -167,13 +174,6 @@ namespace MediaBrowser.Api.Playback.Progressive
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args += " -level 3 " + state.VideoRequest.Level;
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}
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}
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else if (IsH264(state.VideoStream))
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{
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// FFmpeg will fail to convert and give h264 bitstream malformated error if it isn't used when converting mp4 to transport stream.
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args += " -bsf h264_mp4toannexb";
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}
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return args;
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}
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