82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
#ifndef _DECODER_PLUGIN_H
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#define _DECODER_PLUGIN_H
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#include <MediaTrack.h>
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#include <MediaFormats.h>
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#include "MediaPlugin.h"
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class AddOnManager;
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namespace BPrivate { namespace media {
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class PluginManager;
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class ChunkProvider {
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public:
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virtual ~ChunkProvider() {};
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virtual status_t GetNextChunk(const void** chunkBuffer,
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size_t* chunkSize,
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media_header* mediaHeader) = 0;
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};
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class Decoder {
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public:
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Decoder();
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virtual ~Decoder();
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virtual void GetCodecInfo(media_codec_info* codecInfo) = 0;
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// Setup get's called with the info data from Reader::GetStreamInfo
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virtual status_t Setup(media_format* ioEncodedFormat,
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const void* infoBuffer,
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size_t infoSize) = 0;
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virtual status_t NegotiateOutputFormat(
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media_format* ioDecodedFormat) = 0;
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virtual status_t SeekedTo(int64 frame, bigtime_t time) = 0;
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virtual status_t Decode(void* buffer, int64* frameCount,
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media_header* mediaHeader,
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media_decode_info* info = 0) = 0;
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status_t GetNextChunk(const void** chunkBuffer,
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size_t* chunkSize,
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media_header* mediaHeader);
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void SetChunkProvider(ChunkProvider* provider);
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virtual status_t Perform(perform_code code, void* data);
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private:
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virtual void _ReservedDecoder1();
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virtual void _ReservedDecoder2();
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virtual void _ReservedDecoder3();
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virtual void _ReservedDecoder4();
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virtual void _ReservedDecoder5();
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ChunkProvider* fChunkProvider;
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// needed for plug-in reference count management
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friend class PluginManager;
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MediaPlugin* fMediaPlugin;
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uint32 fReserved[5];
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};
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class DecoderPlugin : public virtual MediaPlugin {
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public:
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DecoderPlugin();
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virtual Decoder* NewDecoder(uint index) = 0;
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virtual status_t GetSupportedFormats(media_format** formats,
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size_t* count) = 0;
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};
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} } // namespace BPrivate::media
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using namespace BPrivate::media;
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#endif // _DECODER_PLUGIN_H
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