61 lines
1.2 KiB
C++
61 lines
1.2 KiB
C++
#ifndef _READER_PLUGIN_H
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#define _READER_PLUGIN_H
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#include <MediaTrack.h>
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#include "MediaPlugin.h"
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namespace BPrivate { namespace media {
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enum {
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B_MEDIA_SEEK_TO_TIME = 0x10000,
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B_MEDIA_SEEK_TO_FRAME = 0x20000
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};
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class Reader
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{
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public:
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Reader();
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virtual ~Reader();
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virtual const char *Copyright() = 0;
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virtual status_t Sniff(int32 *streamCount) = 0;
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virtual void GetFileFormatInfo(media_file_format *mff) = 0;
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virtual status_t AllocateCookie(int32 streamNumber, void **cookie) = 0;
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virtual status_t FreeCookie(void *cookie) = 0;
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virtual status_t GetStreamInfo(void *cookie, int64 *frameCount, bigtime_t *duration,
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media_format *format, void **infoBuffer, int32 *infoSize) = 0;
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virtual status_t Seek(void *cookie,
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uint32 seekTo,
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int64 *frame, bigtime_t *time) = 0;
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virtual status_t GetNextChunk(void *cookie,
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void **chunkBuffer, int32 *chunkSize,
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media_header *mediaHeader) = 0;
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BDataIO * Source();
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private:
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public: // XXX for test programs only
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void Setup(BDataIO *source);
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BDataIO * fSource;
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};
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class ReaderPlugin : public virtual MediaPlugin
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{
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public:
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virtual Reader *NewReader() = 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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