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don't request a higher bitrate than source content

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This commit is contained in:
Luke Pulverenti 2013-06-02 10:47:28 -04:00
parent 5fc327c232
commit e031c7bcaa
2 changed files with 17 additions and 8 deletions
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7
MediaBrowser.Api/Playback/Hls/VideoHlsService.cs
View File

@ -158,7 +158,12 @@ namespace MediaBrowser.Api.Playback.Hls
if (state.VideoRequest.VideoBitRate.HasValue)
{
args += string.Format(" -b:v {0}", state.VideoRequest.VideoBitRate.Value);
// Make sure we don't request a bitrate higher than the source
var currentBitrate = state.VideoStream == null ? state.VideoRequest.VideoBitRate.Value : state.VideoStream.BitRate ?? state.VideoRequest.VideoBitRate.Value;
var bitrate = Math.Min(currentBitrate, state.VideoRequest.VideoBitRate.Value);
args += string.Format(" -b:v {0}", bitrate);
}
// Add resolution params, if specified

16
MediaBrowser.Api/Playback/Progressive/VideoService.cs
View File

@ -160,8 +160,7 @@ namespace MediaBrowser.Api.Playback.Progressive
args += string.Format(" -r {0}", request.Framerate.Value);
}
// Add the audio bitrate
var qualityParam = GetVideoQualityParam(request, codec);
var qualityParam = GetVideoQualityParam(state, codec);
if (!string.IsNullOrEmpty(qualityParam))
{
@ -256,10 +255,10 @@ namespace MediaBrowser.Api.Playback.Progressive
/// <summary>
/// Gets the video bitrate to specify on the command line
/// </summary>
/// <param name="request">The request.</param>
/// <param name="state">The state.</param>
/// <param name="videoCodec">The video codec.</param>
/// <returns>System.String.</returns>
private string GetVideoQualityParam(VideoStreamRequest request, string videoCodec)
private string GetVideoQualityParam(StreamState state, string videoCodec)
{
var args = string.Empty;
@ -284,9 +283,14 @@ namespace MediaBrowser.Api.Playback.Progressive
args = "-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -bf 2";
}
if (request.VideoBitRate.HasValue)
if (state.VideoRequest.VideoBitRate.HasValue)
{
args += " -b:v " + request.VideoBitRate;
// Make sure we don't request a bitrate higher than the source
var currentBitrate = state.VideoStream == null ? state.VideoRequest.VideoBitRate.Value : state.VideoStream.BitRate ?? state.VideoRequest.VideoBitRate.Value;
var bitrate = Math.Min(currentBitrate, state.VideoRequest.VideoBitRate.Value);
args += " -b:v " + bitrate;
}
return args.Trim();