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1 #pragma once
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2
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3 namespace fb2k {
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4 //! \since 2.0
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5 struct audioEncoderSetup_t {
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6 audio_chunk::spec_t spec;
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7 uint32_t bps;
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8 double durationHint; // Optional; if > 0 signals the encoder expected PCM stream length in advance to avoid rewriting headers
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9 };
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10 //! \since 2.0
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11 class audioEncoderInstance : public service_base {
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12 FB2K_MAKE_SERVICE_INTERFACE( audioEncoderInstance, service_base);
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13 public:
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14 virtual void addChunk( const audio_chunk & chunk, abort_callback & aborter ) = 0;
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15 virtual void finalize( abort_callback & aborter ) = 0;
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16 };
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17
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18 //! \since 2.0
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19 class audioEncoder : public service_base {
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20 FB2K_MAKE_SERVICE_INTERFACE_ENTRYPOINT( audioEncoder );
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21 public:
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22 virtual const char * formatExtension() = 0;
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23 virtual audioEncoderInstance::ptr open( file::ptr outFile, audioEncoderSetup_t const & spec, abort_callback & aborter ) = 0;
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24
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25 static audioEncoderInstance::ptr g_open( const char * targetPath, file::ptr fileHint, audioEncoderSetup_t const & spec, abort_callback & aborter );
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26 };
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27 }
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