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Diffstat (limited to 'apps/codecs/libmusepack/mpc_decoder.c')

0 files changed, 0 insertions, 0 deletions

/* libFLAC - Free Lossless Audio Codec library * Copyright (C) 2002,2003,2004,2005 Josh Coalson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * - Neither the name of the Xiph.org Foundation nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <stdio.h> #include "global.h" /* for calloc() */ #include <string.h> /* for memcpy() */ #include "FLAC/assert.h" #include "protected/seekable_stream_encoder.h" #ifdef max #undef max #endif #define max(a,b) ((a)>(b)?(a):(b)) /*********************************************************************** * * Private class method prototypes * ***********************************************************************/ /* unpublished debug routines */ extern FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value); extern FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value); extern FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value); static void set_defaults_(FLAC__SeekableStreamEncoder *encoder); static FLAC__StreamEncoderWriteStatus write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data); static void metadata_callback_(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data); /*********************************************************************** * * Private class data * ***********************************************************************/ typedef struct FLAC__SeekableStreamEncoderPrivate { FLAC__SeekableStreamEncoderSeekCallback seek_callback; FLAC__SeekableStreamEncoderTellCallback tell_callback; FLAC__SeekableStreamEncoderWriteCallback write_callback; void *client_data; FLAC__StreamEncoder *stream_encoder; FLAC__StreamMetadata_SeekTable *seek_table; /* internal vars (all the above are class settings) */ unsigned first_seekpoint_to_check; FLAC__uint64 samples_written; } FLAC__SeekableStreamEncoderPrivate; /*********************************************************************** * * Public static class data * ***********************************************************************/ FLAC_API const char * const FLAC__SeekableStreamEncoderStateString[] = { "FLAC__SEEKABLE_STREAM_ENCODER_OK", "FLAC__SEEKABLE_STREAM_ENCODER_STREAM_ENCODER_ERROR", "FLAC__SEEKABLE_STREAM_ENCODER_MEMORY_ALLOCATION_ERROR", "FLAC__SEEKABLE_STREAM_ENCODER_WRITE_ERROR", "FLAC__SEEKABLE_STREAM_ENCODER_READ_ERROR", "FLAC__SEEKABLE_STREAM_ENCODER_SEEK_ERROR", "FLAC__SEEKABLE_STREAM_ENCODER_TELL_ERROR", "FLAC__SEEKABLE_STREAM_ENCODER_ALREADY_INITIALIZED", "FLAC__SEEKABLE_STREAM_ENCODER_INVALID_CALLBACK", "FLAC__SEEKABLE_STREAM_ENCODER_INVALID_SEEKTABLE", "FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED" }; FLAC_API const char * const FLAC__SeekableStreamEncoderSeekStatusString[] = { "FLAC__SEEKABLE_STREAM_ENCODER_SEEK_STATUS_OK", "FLAC__SEEKABLE_STREAM_ENCODER_SEEK_STATUS_ERROR" }; FLAC_API const char * const FLAC__SeekableStreamEncoderTellStatusString[] = { "FLAC__SEEKABLE_STREAM_ENCODER_TELL_STATUS_OK", "FLAC__SEEKABLE_STREAM_ENCODER_TELL_STATUS_ERROR" }; /*********************************************************************** * * Class constructor/destructor * ***********************************************************************/ FLAC_API FLAC__SeekableStreamEncoder *FLAC__seekable_stream_encoder_new() { FLAC__SeekableStreamEncoder *encoder; FLAC__ASSERT(sizeof(int) >= 4); /* we want to die right away if this is not true */ encoder = (FLAC__SeekableStreamEncoder*)calloc(1, sizeof(FLAC__SeekableStreamEncoder)); if(encoder == 0) { return 0; } encoder->protected_ = (FLAC__SeekableStreamEncoderProtected*)calloc(1, sizeof(FLAC__SeekableStreamEncoderProtected)); if(encoder->protected_ == 0) { free(encoder); return 0; } encoder->private_ = (FLAC__SeekableStreamEncoderPrivate*)calloc(1, sizeof(FLAC__SeekableStreamEncoderPrivate)); if(encoder->private_ == 0) { free(encoder->protected_); free(encoder); return 0; } encoder->private_->stream_encoder = FLAC__stream_encoder_new(); if(0 == encoder->private_->stream_encoder) { free(encoder->private_); free(encoder->protected_); free(encoder); return 0; } set_defaults_(encoder); encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED; return encoder; } FLAC_API void FLAC__seekable_stream_encoder_delete(FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); (void)FLAC__seekable_stream_encoder_finish(encoder); FLAC__stream_encoder_delete(encoder->private_->stream_encoder); free(encoder->private_); free(encoder->protected_); free(encoder); } /*********************************************************************** * * Public class methods * ***********************************************************************/ FLAC_API FLAC__SeekableStreamEncoderState FLAC__seekable_stream_encoder_init(FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_ALREADY_INITIALIZED; if(0 == encoder->private_->seek_callback || 0 == encoder->private_->tell_callback || 0 == encoder->private_->write_callback) return encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_INVALID_CALLBACK; if(0 != encoder->private_->seek_table && !FLAC__format_seektable_is_legal(encoder->private_->seek_table)) return encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_INVALID_SEEKTABLE; /* * These must be done before we init the stream encoder because that * calls the write_callback, which uses these values. */ encoder->private_->first_seekpoint_to_check = 0; encoder->private_->samples_written = 0; encoder->protected_->streaminfo_offset = 0; encoder->protected_->seektable_offset = 0; encoder->protected_->audio_offset = 0; FLAC__stream_encoder_set_write_callback(encoder->private_->stream_encoder, write_callback_); FLAC__stream_encoder_set_metadata_callback(encoder->private_->stream_encoder, metadata_callback_); FLAC__stream_encoder_set_client_data(encoder->private_->stream_encoder, encoder); if(FLAC__stream_encoder_init(encoder->private_->stream_encoder) != FLAC__STREAM_ENCODER_OK) return encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_STREAM_ENCODER_ERROR; /* * Initializing the stream encoder writes all the metadata, so we * save the stream offset now. */ if(encoder->private_->tell_callback(encoder, &encoder->protected_->audio_offset, encoder->private_->client_data) != FLAC__SEEKABLE_STREAM_ENCODER_TELL_STATUS_OK) return encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_TELL_ERROR; return encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_OK; } FLAC_API void FLAC__seekable_stream_encoder_finish(FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state == FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return; FLAC__ASSERT(0 != encoder->private_->stream_encoder); FLAC__stream_encoder_finish(encoder->private_->stream_encoder); set_defaults_(encoder); encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED; } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_verify(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_verify(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_streamable_subset(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_streamable_subset(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_do_mid_side_stereo(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_do_mid_side_stereo(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_loose_mid_side_stereo(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_loose_mid_side_stereo(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_channels(FLAC__SeekableStreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_channels(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_bits_per_sample(FLAC__SeekableStreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_bits_per_sample(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_sample_rate(FLAC__SeekableStreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_sample_rate(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_blocksize(FLAC__SeekableStreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_blocksize(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_max_lpc_order(FLAC__SeekableStreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_max_lpc_order(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_qlp_coeff_precision(FLAC__SeekableStreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_qlp_coeff_precision(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_do_escape_coding(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_do_escape_coding(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_do_exhaustive_model_search(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_do_exhaustive_model_search(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_min_residual_partition_order(FLAC__SeekableStreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_min_residual_partition_order(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_max_residual_partition_order(FLAC__SeekableStreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_max_residual_partition_order(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_rice_parameter_search_dist(FLAC__SeekableStreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_rice_parameter_search_dist(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_total_samples_estimate(FLAC__SeekableStreamEncoder *encoder, FLAC__uint64 value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_set_total_samples_estimate(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_metadata(FLAC__SeekableStreamEncoder *encoder, FLAC__StreamMetadata **metadata, unsigned num_blocks) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->stream_encoder); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; if(0 != metadata && num_blocks > 0) { unsigned i; for(i = 0; i < num_blocks; i++) { if(0 != metadata[i] && metadata[i]->type == FLAC__METADATA_TYPE_SEEKTABLE) { encoder->private_->seek_table = &metadata[i]->data.seek_table; break; /* take only the first one */ } } } return FLAC__stream_encoder_set_metadata(encoder->private_->stream_encoder, metadata, num_blocks); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_seek_callback(FLAC__SeekableStreamEncoder *encoder, FLAC__SeekableStreamEncoderSeekCallback value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; encoder->private_->seek_callback = value; return true; } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_tell_callback(FLAC__SeekableStreamEncoder *encoder, FLAC__SeekableStreamEncoderTellCallback value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; encoder->private_->tell_callback = value; return true; } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_write_callback(FLAC__SeekableStreamEncoder *encoder, FLAC__SeekableStreamEncoderWriteCallback value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; encoder->private_->write_callback = value; return true; } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_set_client_data(FLAC__SeekableStreamEncoder *encoder, void *value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; encoder->private_->client_data = value; return true; } /* * These three functions are not static, but not publically exposed in * include/FLAC/ either. They are used by the test suite. */ FLAC_API FLAC__bool FLAC__seekable_stream_encoder_disable_constant_subframes(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_disable_constant_subframes(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_disable_fixed_subframes(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_disable_fixed_subframes(encoder->private_->stream_encoder, value); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_disable_verbatim_subframes(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) return false; return FLAC__stream_encoder_disable_verbatim_subframes(encoder->private_->stream_encoder, value); } FLAC_API FLAC__SeekableStreamEncoderState FLAC__seekable_stream_encoder_get_state(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->state; } FLAC_API FLAC__StreamEncoderState FLAC__seekable_stream_encoder_get_stream_encoder_state(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_state(encoder->private_->stream_encoder); } FLAC_API FLAC__StreamDecoderState FLAC__seekable_stream_encoder_get_verify_decoder_state(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_verify_decoder_state(encoder->private_->stream_encoder); } FLAC_API const char *FLAC__seekable_stream_encoder_get_resolved_state_string(const FLAC__SeekableStreamEncoder *encoder) { if(encoder->protected_->state != FLAC__SEEKABLE_STREAM_ENCODER_STREAM_ENCODER_ERROR) return FLAC__SeekableStreamEncoderStateString[encoder->protected_->state]; else return FLAC__stream_encoder_get_resolved_state_string(encoder->private_->stream_encoder); } FLAC_API void FLAC__seekable_stream_encoder_get_verify_decoder_error_stats(const FLAC__SeekableStreamEncoder *encoder, FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__stream_encoder_get_verify_decoder_error_stats(encoder->private_->stream_encoder, absolute_sample, frame_number, channel, sample, expected, got); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_get_verify(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_verify(encoder->private_->stream_encoder); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_get_streamable_subset(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_streamable_subset(encoder->private_->stream_encoder); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_get_do_mid_side_stereo(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_do_mid_side_stereo(encoder->private_->stream_encoder); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_get_loose_mid_side_stereo(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_loose_mid_side_stereo(encoder->private_->stream_encoder); } FLAC_API unsigned FLAC__seekable_stream_encoder_get_channels(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_channels(encoder->private_->stream_encoder); } FLAC_API unsigned FLAC__seekable_stream_encoder_get_bits_per_sample(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_bits_per_sample(encoder->private_->stream_encoder); } FLAC_API unsigned FLAC__seekable_stream_encoder_get_sample_rate(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_sample_rate(encoder->private_->stream_encoder); } FLAC_API unsigned FLAC__seekable_stream_encoder_get_blocksize(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_blocksize(encoder->private_->stream_encoder); } FLAC_API unsigned FLAC__seekable_stream_encoder_get_max_lpc_order(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_max_lpc_order(encoder->private_->stream_encoder); } FLAC_API unsigned FLAC__seekable_stream_encoder_get_qlp_coeff_precision(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_qlp_coeff_precision(encoder->private_->stream_encoder); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder->private_->stream_encoder); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_get_do_escape_coding(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_do_escape_coding(encoder->private_->stream_encoder); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_get_do_exhaustive_model_search(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_do_exhaustive_model_search(encoder->private_->stream_encoder); } FLAC_API unsigned FLAC__seekable_stream_encoder_get_min_residual_partition_order(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_min_residual_partition_order(encoder->private_->stream_encoder); } FLAC_API unsigned FLAC__seekable_stream_encoder_get_max_residual_partition_order(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_max_residual_partition_order(encoder->private_->stream_encoder); } FLAC_API unsigned FLAC__seekable_stream_encoder_get_rice_parameter_search_dist(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_rice_parameter_search_dist(encoder->private_->stream_encoder); } FLAC_API FLAC__uint64 FLAC__seekable_stream_encoder_get_total_samples_estimate(const FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); return FLAC__stream_encoder_get_total_samples_estimate(encoder->private_->stream_encoder); } FLAC_API FLAC__bool FLAC__seekable_stream_encoder_process(FLAC__SeekableStreamEncoder *encoder, const FLAC__int32 * const buffer[], unsigned samples) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); if(!FLAC__stream_encoder_process(encoder->private_->stream_encoder, buffer, samples)) { encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_STREAM_ENCODER_ERROR; return false; } else return true; } /* 'samples' is channel-wide samples, e.g. for 1 second at 44100Hz, 'samples' = 44100 regardless of the number of channels */ FLAC_API FLAC__bool FLAC__seekable_stream_encoder_process_interleaved(FLAC__SeekableStreamEncoder *encoder, const FLAC__int32 buffer[], unsigned samples) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); if(!FLAC__stream_encoder_process_interleaved(encoder->private_->stream_encoder, buffer, samples)) { encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_STREAM_ENCODER_ERROR; return false; } else return true; } /*********************************************************************** * * Private class methods * ***********************************************************************/ void set_defaults_(FLAC__SeekableStreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); encoder->private_->seek_callback = 0; encoder->private_->tell_callback = 0; encoder->private_->write_callback = 0; encoder->private_->client_data = 0; encoder->private_->seek_table = 0; } FLAC__StreamEncoderWriteStatus write_callback_(const FLAC__StreamEncoder *unused, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data) { FLAC__SeekableStreamEncoder *encoder = (FLAC__SeekableStreamEncoder*)client_data; FLAC__StreamEncoderWriteStatus status; FLAC__uint64 output_position; (void)unused; /* silence compiler warning about unused parameter */ FLAC__ASSERT(encoder->private_->stream_encoder == unused); if(encoder->private_->tell_callback(encoder, &output_position, encoder->private_->client_data) != FLAC__SEEKABLE_STREAM_ENCODER_TELL_STATUS_OK) return encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_TELL_ERROR; /* * Watch for the STREAMINFO block and first SEEKTABLE block to go by and store their offsets. */ if(samples == 0) { FLAC__MetadataType type = (buffer[0] & 0x7f); if(type == FLAC__METADATA_TYPE_STREAMINFO) encoder->protected_->streaminfo_offset = output_position; else if(type == FLAC__METADATA_TYPE_SEEKTABLE && encoder->protected_->seektable_offset == 0) encoder->protected_->seektable_offset = output_position; } /* * Mark the current seek point if hit (if audio_offset == 0 that * means we're still writing metadata and haven't hit the first * frame yet) */ if(0 != encoder->private_->seek_table && encoder->protected_->audio_offset > 0 && encoder->private_->seek_table->num_points > 0) { const unsigned blocksize = FLAC__stream_encoder_get_blocksize(encoder->private_->stream_encoder); const FLAC__uint64 frame_first_sample = encoder->private_->samples_written; const FLAC__uint64 frame_last_sample = frame_first_sample + (FLAC__uint64)blocksize - 1; FLAC__uint64 test_sample; unsigned i; for(i = encoder->private_->first_seekpoint_to_check; i < encoder->private_->seek_table->num_points; i++) { test_sample = encoder->private_->seek_table->points[i].sample_number; if(test_sample > frame_last_sample) { break; } else if(test_sample >= frame_first_sample) { encoder->private_->seek_table->points[i].sample_number = frame_first_sample; encoder->private_->seek_table->points[i].stream_offset = output_position - encoder->protected_->audio_offset; encoder->private_->seek_table->points[i].frame_samples = blocksize; encoder->private_->first_seekpoint_to_check++; /* DO NOT: "break;" and here's why: * The seektable template may contain more than one target * sample for any given frame; we will keep looping, generating * duplicate seekpoints for them, and we'll clean it up later, * just before writing the seektable back to the metadata. */ } else { encoder->private_->first_seekpoint_to_check++; } } } status = encoder->private_->write_callback(encoder, buffer, bytes, samples, current_frame, encoder->private_->client_data); if(status == FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { encoder->private_->samples_written += samples; } else encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_WRITE_ERROR; return status; } void metadata_callback_(const FLAC__StreamEncoder *unused, const FLAC__StreamMetadata *metadata, void *client_data) { FLAC__SeekableStreamEncoder *encoder = (FLAC__SeekableStreamEncoder*)client_data; FLAC__byte b[max(6, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)]; const FLAC__uint64 samples = metadata->data.stream_info.total_samples; const unsigned min_framesize = metadata->data.stream_info.min_framesize; const unsigned max_framesize = metadata->data.stream_info.max_framesize; const unsigned bps = metadata->data.stream_info.bits_per_sample; FLAC__ASSERT(metadata->type == FLAC__METADATA_TYPE_STREAMINFO); /* We get called by the stream encoder when the encoding process * has finished so that we can update the STREAMINFO and SEEKTABLE * blocks. */ (void)unused; /* silence compiler warning about unused parameter */ FLAC__ASSERT(encoder->private_->stream_encoder == unused); /*@@@ reopen callback here? The docs currently require user to open files in update mode from the start */ /* All this is based on intimate knowledge of the stream header * layout, but a change to the header format that would break this * would also break all streams encoded in the previous format. */ /* * Write MD5 signature */ { const unsigned md5_offset = FLAC__STREAM_METADATA_HEADER_LENGTH + ( FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN + FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN + FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN + FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN + FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN + FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN ) / 8; if(encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + md5_offset, encoder->private_->client_data) != FLAC__SEEKABLE_STREAM_ENCODER_SEEK_STATUS_OK) { encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_SEEK_ERROR; return; } if(encoder->private_->write_callback(encoder, metadata->data.stream_info.md5sum, 16, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_WRITE_ERROR; return; } } /* * Write total samples */ { const unsigned total_samples_byte_offset = FLAC__STREAM_METADATA_HEADER_LENGTH + ( FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN + FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN + FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN + FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN + FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN - 4 ) / 8; b[0] = ((FLAC__byte)(bps-1) << 4) | (FLAC__byte)((samples >> 32) & 0x0F); b[1] = (FLAC__byte)((samples >> 24) & 0xFF); b[2] = (FLAC__byte)((samples >> 16) & 0xFF); b[3] = (FLAC__byte)((samples >> 8) & 0xFF); b[4] = (FLAC__byte)(samples & 0xFF); if(encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + total_samples_byte_offset, encoder->private_->client_data) != FLAC__SEEKABLE_STREAM_ENCODER_SEEK_STATUS_OK) { encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_SEEK_ERROR; return; } if(encoder->private_->write_callback(encoder, b, 5, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { encoder->protected_->state = FLAC__SEEKABLE_STREAM_ENCODER_WRITE_ERROR; return; } } /* * Write min/max framesize */ { const unsigned min_framesize_offset = FLAC__STREAM_METADATA_HEADER_LENGTH + ( FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN ) / 8; b[0] = (FLAC__byte)((min_framesize >> 16) & 0xFF); b[1] = (FLAC__byte)((min_framesize >> 8) & 0xFF); b[2] = (FLAC__byte)(min_framesize & 0xFF); b[3] = (FLAC__byte)((max_framesize >> 16) & 0xFF); b[4] = (FLAC__byte)((max_framesize >> 8) & 0xFF); b[5] = (FLAC__byte)(max_framesize & 0xFF);


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