encoder.h

这是著名的TCPMP播放器在WINDWOWS,和WINCE下编译通过的源程序.笔者对其中的LIBMAD库做了针对ARM MPU的优化. 并增加了词幕功能.

		public:
			class FLACPP_API State {
			public:
				inline State(::FLAC__SeekableStreamEncoderState state): state_(state) { }
				inline operator ::FLAC__SeekableStreamEncoderState() const { return state_; }
				inline const char *as_cstring() const { return ::FLAC__SeekableStreamEncoderStateString[state_]; }
				inline const char *resolved_as_cstring(const SeekableStream &encoder) const { return ::FLAC__seekable_stream_encoder_get_resolved_state_string(encoder.encoder_); }
			protected:
				::FLAC__SeekableStreamEncoderState state_;
			};

			SeekableStream();
			virtual ~SeekableStream();

			bool is_valid() const;
			inline operator bool() const { return is_valid(); }

			bool set_verify(bool value);
			bool set_streamable_subset(bool value);
			bool set_do_mid_side_stereo(bool value);
			bool set_loose_mid_side_stereo(bool value);
			bool set_channels(unsigned value);
			bool set_bits_per_sample(unsigned value);
			bool set_sample_rate(unsigned value);
			bool set_blocksize(unsigned value);
			bool set_max_lpc_order(unsigned value);
			bool set_qlp_coeff_precision(unsigned value);
			bool set_do_qlp_coeff_prec_search(bool value);
			bool set_do_escape_coding(bool value);
			bool set_do_exhaustive_model_search(bool value);
			bool set_min_residual_partition_order(unsigned value);
			bool set_max_residual_partition_order(unsigned value);
			bool set_rice_parameter_search_dist(unsigned value);
			bool set_total_samples_estimate(FLAC__uint64 value);
			bool set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks);
			bool set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks);

			State    get_state() const;
			Stream::State get_stream_encoder_state() const;
			Decoder::Stream::State get_verify_decoder_state() const;
			void get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got);
			bool     get_verify() const;
			bool     get_streamable_subset() const;
			bool     get_do_mid_side_stereo() const;
			bool     get_loose_mid_side_stereo() const;
			unsigned get_channels() const;
			unsigned get_bits_per_sample() const;
			unsigned get_sample_rate() const;
			unsigned get_blocksize() const;
			unsigned get_max_lpc_order() const;
			unsigned get_qlp_coeff_precision() const;
			bool     get_do_qlp_coeff_prec_search() const;
			bool     get_do_escape_coding() const;
			bool     get_do_exhaustive_model_search() const;
			unsigned get_min_residual_partition_order() const;
			unsigned get_max_residual_partition_order() const;
			unsigned get_rice_parameter_search_dist() const;
			FLAC__uint64 get_total_samples_estimate() const;

			State init();

			void finish();

			bool process(const FLAC__int32 * const buffer[], unsigned samples);
			bool process_interleaved(const FLAC__int32 buffer[], unsigned samples);
		protected:
			virtual ::FLAC__SeekableStreamEncoderSeekStatus seek_callback(FLAC__uint64 absolute_byte_offset) = 0;
			virtual ::FLAC__SeekableStreamEncoderTellStatus tell_callback(FLAC__uint64 *absolute_byte_offset) = 0;
			virtual ::FLAC__StreamEncoderWriteStatus write_callback(const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame) = 0;

#if (defined _MSC_VER) || (defined __GNUG__ && (__GNUG__ < 2 || (__GNUG__ == 2 && __GNUC_MINOR__ < 96))) || (defined __SUNPRO_CC)
			// lame hack: some MSVC/GCC versions can't see a protected encoder_ from nested State::resolved_as_cstring()
			friend State;
#endif
			::FLAC__SeekableStreamEncoder *encoder_;
		private:
			static ::FLAC__SeekableStreamEncoderSeekStatus seek_callback_(const FLAC__SeekableStreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data);
			static ::FLAC__SeekableStreamEncoderTellStatus tell_callback_(const FLAC__SeekableStreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data);
			static ::FLAC__StreamEncoderWriteStatus write_callback_(const FLAC__SeekableStreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data);

			// Private and undefined so you can't use them:
			SeekableStream(const SeekableStream &);
			void operator=(const SeekableStream &);
		};

		/* \} */

		/** \defgroup flacpp_file_encoder FLAC++/encoder.h: file encoder class
		 *  \ingroup flacpp_encoder
		 *
		 *  \brief
		 *  This class wraps the ::FLAC__FileEncoder.
		 *
		 * See the \link flac_file_encoder libFLAC file encoder module \endlink.
		 *
		 * \{
		 */

		/** This class wraps the ::FLAC__FileEncoder.
		 */
		class FLACPP_API File {
		public:
			class FLACPP_API State {
			public:
				inline State(::FLAC__FileEncoderState state): state_(state) { }
				inline operator ::FLAC__FileEncoderState() const { return state_; }
				inline const char *as_cstring() const { return ::FLAC__FileEncoderStateString[state_]; }
				inline const char *resolved_as_cstring(const File &encoder) const { return ::FLAC__file_encoder_get_resolved_state_string(encoder.encoder_); }
			protected:
				::FLAC__FileEncoderState state_;
			};

			File();
			virtual ~File();

			bool is_valid() const;
			inline operator bool() const { return is_valid(); }

			bool set_verify(bool value);
			bool set_streamable_subset(bool value);
			bool set_do_mid_side_stereo(bool value);
			bool set_loose_mid_side_stereo(bool value);
			bool set_channels(unsigned value);
			bool set_bits_per_sample(unsigned value);
			bool set_sample_rate(unsigned value);
			bool set_blocksize(unsigned value);
			bool set_max_lpc_order(unsigned value);
			bool set_qlp_coeff_precision(unsigned value);
			bool set_do_qlp_coeff_prec_search(bool value);
			bool set_do_escape_coding(bool value);
			bool set_do_exhaustive_model_search(bool value);
			bool set_min_residual_partition_order(unsigned value);
			bool set_max_residual_partition_order(unsigned value);
			bool set_rice_parameter_search_dist(unsigned value);
			bool set_total_samples_estimate(FLAC__uint64 value);
			bool set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks);
			bool set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks);
			bool set_filename(const char *value);

			State    get_state() const;
			SeekableStream::State get_seekable_stream_encoder_state() const;
			Stream::State get_stream_encoder_state() const;
			Decoder::Stream::State get_verify_decoder_state() const;
			void get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got);
			bool     get_verify() const;
			bool     get_streamable_subset() const;
			bool     get_do_mid_side_stereo() const;
			bool     get_loose_mid_side_stereo() const;
			unsigned get_channels() const;
			unsigned get_bits_per_sample() const;
			unsigned get_sample_rate() const;
			unsigned get_blocksize() const;
			unsigned get_max_lpc_order() const;
			unsigned get_qlp_coeff_precision() const;
			bool     get_do_qlp_coeff_prec_search() const;
			bool     get_do_escape_coding() const;
			bool     get_do_exhaustive_model_search() const;
			unsigned get_min_residual_partition_order() const;
			unsigned get_max_residual_partition_order() const;
			unsigned get_rice_parameter_search_dist() const;
			FLAC__uint64 get_total_samples_estimate() const;

			State init();

			void finish();

			bool process(const FLAC__int32 * const buffer[], unsigned samples);
			bool process_interleaved(const FLAC__int32 buffer[], unsigned samples);
		protected:
			virtual void progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate);

#if (defined _MSC_VER) || (defined __GNUG__ && (__GNUG__ < 2 || (__GNUG__ == 2 && __GNUC_MINOR__ < 96))) || (defined __SUNPRO_CC)
			// lame hack: some MSVC/GCC versions can't see a protected encoder_ from nested State::resolved_as_cstring()
			friend State;
#endif
			::FLAC__FileEncoder *encoder_;
		private:
			static void progress_callback_(const ::FLAC__FileEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data);

			// Private and undefined so you can't use them:
			File(const Stream &);
			void operator=(const Stream &);
		};

		/* \} */

	}
}

#endif