43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
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// this header is similar to functions found in libmedia.so
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// and the media_kit decoder add-ons
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// we will use it as basic information, but are not trying to
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// create a binary compatible interface
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// this API will totally change, as we are creating our own API
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#include <MediaDefs.h>
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#include <MediaFormats.h>
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namespace media_kit_private {
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class Decoder
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{
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public:
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virtual ~Decoder(void); /* this needs to be virtual */
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Decoder(void);
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/* not sure if all three need to be virtual */
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virtual status_t SetTrack(BMediaTrack *track);
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/* what does this one do? strange parameters */
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virtual status_t Reset(long, long long, long long *, long long, long long *);
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virtual status_t GetNextChunk(void const **chunkData, size_t *chunkSize,
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media_header *mh, media_decode_info *mdi);
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virtual status_t Decode(void *out_buffer, int64 *out_frameCount,
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media_header *out_mh, media_decode_info *info) = 0;
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virtual status_t Format(media_format *) = 0;
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virtual status_t Sniff(media_format const *, void const *in_buffer, unsigned long in_buffersize) = 0;
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virtual status_t GetCodecInfo(media_codec_info *out_mci) const = 0;
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private:
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virtual status_t Perform(long, void *);
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//virtual function and data stuffing will be done later
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};
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}; // namespace media_kit_private
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extern "C" status_t register_decoder();
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extern "C" BPrivate::Decoder * instantiate_decoder();
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