78 lines
1.7 KiB
C++
78 lines
1.7 KiB
C++
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#include "logger/Logger.hpp"
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#include "av/InputFormatContext.hpp"
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#include "Parameters.hpp"
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namespace Transcode
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{
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std::string
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getMimeType(Format format)
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{
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//TODO
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return "";
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}
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Parameters::Parameters(const InputMediaFile& inputMediaFile,
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const Format& outputFormat)
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:
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_mediaFile(inputMediaFile),
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_outputFormat(outputFormat)
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{
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// By default, select the best stream indexes
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_inputStreams = _mediaFile.getBestStreams();
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// setBitrate(Stream::Audio, 0);
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// setBitrate(Stream::Video, 0);
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}
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std::size_t
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Parameters::setBitrate(Stream::Type type, std::size_t bitrate)
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{
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// Limit the output bitrate to the input bitrate
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if (_inputStreams.find(type) != _inputStreams.end())
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{
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const Transcode::Stream& stream = _mediaFile.getStream( _inputStreams[type] );
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LMS_LOG(MOD_TRANSCODE, SEV_DEBUG) << "Stream bitrate = " << stream.getBitrate();
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if (!bitrate || bitrate > stream.getBitrate())
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{
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LMS_LOG(MOD_TRANSCODE, SEV_INFO) << "Setting bitrate for stream idx " << _inputStreams[type] << " to input bitrate (" << stream.getBitrate() << ")";
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_outputBitrate[type] = stream.getBitrate();
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}
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else
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{
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LMS_LOG(MOD_TRANSCODE, SEV_DEBUG) << "Setting bitrate for stream idx " << _inputStreams[type] << " to " << bitrate;
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_outputBitrate[type] = bitrate;
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}
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return _outputBitrate[type];
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}
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else
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{
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LMS_LOG(MOD_TRANSCODE, SEV_DEBUG) << "Cannot find stream type " << type;
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return 0;
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}
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}
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std::size_t
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Parameters::getOutputBitrate(Stream::Type type) const
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{
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std::map<Stream::Type, std::size_t>::const_iterator it = _outputBitrate.find(type);
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if (it != _inputStreams.end())
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{
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return it->second;
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}
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else
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{
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LMS_LOG(MOD_TRANSCODE, SEV_DEBUG) << "output bitrate not set for type " << type;
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return 0;
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}
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}
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} // namespace Transcode
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