62 lines
1.5 KiB
C++
62 lines
1.5 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 ChunkProvider {
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public:
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virtual ~ChunkProvider() {};
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virtual status_t GetNextChunk(const void **chunkBuffer, 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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{
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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, const void *infoBuffer, size_t infoSize) = 0;
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virtual status_t NegotiateOutputFormat(media_format *ioDecodedFormat) = 0;
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virtual status_t Seek(uint32 seekTo,
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int64 seekFrame, int64 *frame,
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bigtime_t seekTime, bigtime_t *time) = 0;
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virtual status_t Decode(void *buffer, int64 *frameCount,
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media_header *mediaHeader, media_decode_info *info = 0) = 0;
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status_t GetNextChunk(const void **chunkBuffer, size_t *chunkSize,
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media_header *mediaHeader);
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void SetChunkProvider(ChunkProvider *provider);
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private:
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ChunkProvider * fChunkProvider;
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};
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class DecoderPlugin : public virtual MediaPlugin
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{
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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, 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
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