79 lines
1.5 KiB
C++
79 lines
1.5 KiB
C++
#ifndef _MEDIA_EXTRACTOR_H
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#define _MEDIA_EXTRACTOR_H
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#include "ReaderPlugin.h"
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#include "DecoderPlugin.h"
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namespace BPrivate {
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namespace media {
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class ChunkCache;
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struct stream_info
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{
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status_t status;
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void * cookie;
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bool hasCookie;
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const void * infoBuffer;
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size_t infoBufferSize;
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ChunkCache * chunkCache;
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media_format encodedFormat;
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};
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class MediaExtractor
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{
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public:
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MediaExtractor(BDataIO * source, int32 flags);
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~MediaExtractor();
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status_t InitCheck();
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void GetFileFormatInfo(media_file_format *mfi) const;
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int32 StreamCount();
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const char* Copyright();
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const media_format * EncodedFormat(int32 stream);
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int64 CountFrames(int32 stream) const;
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bigtime_t Duration(int32 stream) const;
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status_t Seek(int32 stream, uint32 seekTo,
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int64 *frame, bigtime_t *time);
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status_t FindKeyFrame(int32 stream, uint32 seekTo,
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int64 *frame, bigtime_t *time) const;
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status_t GetNextChunk(int32 stream,
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const void **chunkBuffer, size_t *chunkSize,
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media_header *mediaHeader);
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status_t CreateDecoder(int32 stream, Decoder **decoder,
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media_codec_info *mci);
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private:
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static int32 extractor_thread(void *arg);
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void ExtractorThread();
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private:
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status_t fErr;
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sem_id fExtractorWaitSem;
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thread_id fExtractorThread;
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volatile bool fTerminateExtractor;
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BDataIO *fSource;
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Reader *fReader;
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stream_info * fStreamInfo;
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int32 fStreamCount;
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media_file_format fMff;
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};
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}; // namespace media
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}; // namespace BPrivate
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using namespace BPrivate::media;
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#endif
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