| /* libFLAC - Free Lossless Audio Codec library |
| * Copyright (C) 2002 Josh Coalson |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> /* for malloc() */ |
| #include <string.h> /* for memcpy() */ |
| #include "FLAC/assert.h" |
| #include "protected/file_encoder.h" |
| #include "protected/seekable_stream_encoder.h" |
| |
| /*********************************************************************** |
| * |
| * Private class method prototypes |
| * |
| ***********************************************************************/ |
| |
| /* unpublished debug routines */ |
| extern FLAC__bool FLAC__seekable_stream_encoder_disable_constant_subframes(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value); |
| extern FLAC__bool FLAC__seekable_stream_encoder_disable_fixed_subframes(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value); |
| extern FLAC__bool FLAC__seekable_stream_encoder_disable_verbatim_subframes(FLAC__SeekableStreamEncoder *encoder, FLAC__bool value); |
| |
| static void set_defaults_(FLAC__FileEncoder *encoder); |
| static FLAC__SeekableStreamEncoderSeekStatus seek_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 class data |
| * |
| ***********************************************************************/ |
| |
| typedef struct FLAC__FileEncoderPrivate { |
| FLAC__FileEncoderProgressCallback progress_callback; |
| void *client_data; |
| char *filename; |
| FLAC__uint64 bytes_written; |
| FLAC__uint64 samples_written; |
| unsigned total_frames_estimate; |
| FLAC__SeekableStreamEncoder *seekable_stream_encoder; |
| FILE *file; |
| } FLAC__FileEncoderPrivate; |
| |
| /*********************************************************************** |
| * |
| * Public static class data |
| * |
| ***********************************************************************/ |
| |
| FLAC_API const char * const FLAC__FileEncoderStateString[] = { |
| "FLAC__FILE_ENCODER_OK", |
| "FLAC__FILE_ENCODER_NO_FILENAME", |
| "FLAC__FILE_ENCODER_SEEKABLE_STREAM_ENCODER_ERROR", |
| "FLAC__FILE_ENCODER_FATAL_ERROR_WHILE_WRITING", |
| "FLAC__FILE_ENCODER_ERROR_OPENING_FILE", |
| "FLAC__FILE_ENCODER_MEMORY_ALLOCATION_ERROR", |
| "FLAC__FILE_ENCODER_ALREADY_INITIALIZED", |
| "FLAC__FILE_ENCODER_UNINITIALIZED" |
| }; |
| |
| |
| /*********************************************************************** |
| * |
| * Class constructor/destructor |
| * |
| ***********************************************************************/ |
| |
| FLAC_API FLAC__FileEncoder *FLAC__file_encoder_new() |
| { |
| FLAC__FileEncoder *encoder; |
| |
| FLAC__ASSERT(sizeof(int) >= 4); /* we want to die right away if this is not true */ |
| |
| encoder = (FLAC__FileEncoder*)calloc(1, sizeof(FLAC__FileEncoder)); |
| if(encoder == 0) { |
| return 0; |
| } |
| |
| encoder->protected_ = (FLAC__FileEncoderProtected*)calloc(1, sizeof(FLAC__FileEncoderProtected)); |
| if(encoder->protected_ == 0) { |
| free(encoder); |
| return 0; |
| } |
| |
| encoder->private_ = (FLAC__FileEncoderPrivate*)calloc(1, sizeof(FLAC__FileEncoderPrivate)); |
| if(encoder->private_ == 0) { |
| free(encoder->protected_); |
| free(encoder); |
| return 0; |
| } |
| |
| encoder->private_->seekable_stream_encoder = FLAC__seekable_stream_encoder_new(); |
| if(0 == encoder->private_->seekable_stream_encoder) { |
| free(encoder->private_); |
| free(encoder->protected_); |
| free(encoder); |
| return 0; |
| } |
| |
| encoder->private_->file = 0; |
| |
| set_defaults_(encoder); |
| |
| encoder->protected_->state = FLAC__FILE_ENCODER_UNINITIALIZED; |
| |
| return encoder; |
| } |
| |
| FLAC_API void FLAC__file_encoder_delete(FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| |
| (void)FLAC__file_encoder_finish(encoder); |
| |
| FLAC__seekable_stream_encoder_delete(encoder->private_->seekable_stream_encoder); |
| |
| free(encoder->private_); |
| free(encoder->protected_); |
| free(encoder); |
| } |
| |
| /*********************************************************************** |
| * |
| * Public class methods |
| * |
| ***********************************************************************/ |
| |
| FLAC_API FLAC__FileEncoderState FLAC__file_encoder_init(FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return encoder->protected_->state = FLAC__FILE_ENCODER_ALREADY_INITIALIZED; |
| |
| if(0 == encoder->private_->filename) |
| return encoder->protected_->state = FLAC__FILE_ENCODER_NO_FILENAME; |
| |
| encoder->private_->file = fopen(encoder->private_->filename, "w+b"); |
| |
| if(encoder->private_->file == 0) |
| return encoder->protected_->state = FLAC__FILE_ENCODER_ERROR_OPENING_FILE; |
| |
| encoder->private_->bytes_written = 0; |
| encoder->private_->samples_written = 0; |
| |
| FLAC__seekable_stream_encoder_set_seek_callback(encoder->private_->seekable_stream_encoder, seek_callback_); |
| FLAC__seekable_stream_encoder_set_write_callback(encoder->private_->seekable_stream_encoder, write_callback_); |
| FLAC__seekable_stream_encoder_set_client_data(encoder->private_->seekable_stream_encoder, encoder); |
| |
| if(FLAC__seekable_stream_encoder_init(encoder->private_->seekable_stream_encoder) != FLAC__SEEKABLE_STREAM_ENCODER_OK) |
| return encoder->protected_->state = FLAC__FILE_ENCODER_SEEKABLE_STREAM_ENCODER_ERROR; |
| |
| { |
| unsigned blocksize = FLAC__file_encoder_get_blocksize(encoder); |
| |
| FLAC__ASSERT(blocksize != 0); |
| encoder->private_->total_frames_estimate = (unsigned)((FLAC__file_encoder_get_total_samples_estimate(encoder) + blocksize - 1) / blocksize); |
| } |
| |
| return encoder->protected_->state = FLAC__FILE_ENCODER_OK; |
| } |
| |
| FLAC_API void FLAC__file_encoder_finish(FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| |
| if(encoder->protected_->state == FLAC__FILE_ENCODER_UNINITIALIZED) |
| return; |
| |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| |
| /* FLAC__seekable_stream_encoder_finish() might write data so we must close the file after it. */ |
| |
| FLAC__seekable_stream_encoder_finish(encoder->private_->seekable_stream_encoder); |
| |
| if(0 != encoder->private_->file) { |
| fclose(encoder->private_->file); |
| encoder->private_->file = 0; |
| } |
| |
| if(0 != encoder->private_->filename) { |
| free(encoder->private_->filename); |
| encoder->private_->filename = 0; |
| } |
| |
| set_defaults_(encoder); |
| |
| encoder->protected_->state = FLAC__FILE_ENCODER_UNINITIALIZED; |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_verify(FLAC__FileEncoder *encoder, FLAC__bool value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_verify(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_streamable_subset(FLAC__FileEncoder *encoder, FLAC__bool value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_streamable_subset(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_do_mid_side_stereo(FLAC__FileEncoder *encoder, FLAC__bool value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_do_mid_side_stereo(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_loose_mid_side_stereo(FLAC__FileEncoder *encoder, FLAC__bool value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_loose_mid_side_stereo(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_channels(FLAC__FileEncoder *encoder, unsigned value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_channels(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_bits_per_sample(FLAC__FileEncoder *encoder, unsigned value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_bits_per_sample(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_sample_rate(FLAC__FileEncoder *encoder, unsigned value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_sample_rate(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_blocksize(FLAC__FileEncoder *encoder, unsigned value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_blocksize(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_max_lpc_order(FLAC__FileEncoder *encoder, unsigned value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_max_lpc_order(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_qlp_coeff_precision(FLAC__FileEncoder *encoder, unsigned value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_qlp_coeff_precision(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_do_qlp_coeff_prec_search(FLAC__FileEncoder *encoder, FLAC__bool value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_do_escape_coding(FLAC__FileEncoder *encoder, FLAC__bool value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_do_escape_coding(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_do_exhaustive_model_search(FLAC__FileEncoder *encoder, FLAC__bool value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_do_exhaustive_model_search(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_min_residual_partition_order(FLAC__FileEncoder *encoder, unsigned value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_min_residual_partition_order(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_max_residual_partition_order(FLAC__FileEncoder *encoder, unsigned value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_max_residual_partition_order(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_rice_parameter_search_dist(FLAC__FileEncoder *encoder, unsigned value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_rice_parameter_search_dist(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_total_samples_estimate(FLAC__FileEncoder *encoder, FLAC__uint64 value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_total_samples_estimate(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_metadata(FLAC__FileEncoder *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_->seekable_stream_encoder); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_set_metadata(encoder->private_->seekable_stream_encoder, metadata, num_blocks); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_filename(FLAC__FileEncoder *encoder, const char *value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| FLAC__ASSERT(0 != value); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| if(0 != encoder->private_->filename) { |
| free(encoder->private_->filename); |
| encoder->private_->filename = 0; |
| } |
| if(0 == (encoder->private_->filename = (char*)malloc(strlen(value)+1))) { |
| encoder->protected_->state = FLAC__FILE_ENCODER_MEMORY_ALLOCATION_ERROR; |
| return false; |
| } |
| strcpy(encoder->private_->filename, value); |
| return true; |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_progress_callback(FLAC__FileEncoder *encoder, FLAC__FileEncoderProgressCallback value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| encoder->private_->progress_callback = value; |
| return true; |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_set_client_data(FLAC__FileEncoder *encoder, void *value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| if(encoder->protected_->state != FLAC__FILE_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__file_encoder_disable_constant_subframes(FLAC__FileEncoder *encoder, FLAC__bool value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_disable_constant_subframes(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_disable_fixed_subframes(FLAC__FileEncoder *encoder, FLAC__bool value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_disable_fixed_subframes(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_disable_verbatim_subframes(FLAC__FileEncoder *encoder, FLAC__bool value) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| FLAC__ASSERT(0 != encoder->protected_); |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) |
| return false; |
| return FLAC__seekable_stream_encoder_disable_verbatim_subframes(encoder->private_->seekable_stream_encoder, value); |
| } |
| |
| FLAC_API FLAC__FileEncoderState FLAC__file_encoder_get_state(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->protected_); |
| return encoder->protected_->state; |
| } |
| |
| FLAC_API FLAC__SeekableStreamEncoderState FLAC__file_encoder_get_seekable_stream_encoder_state(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_state(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API FLAC__StreamEncoderState FLAC__file_encoder_get_stream_encoder_state(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_stream_encoder_state(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API FLAC__StreamDecoderState FLAC__file_encoder_get_verify_decoder_state(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_verify_decoder_state(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API const char *FLAC__file_encoder_get_resolved_state_string(const FLAC__FileEncoder *encoder) |
| { |
| if(encoder->protected_->state != FLAC__FILE_ENCODER_SEEKABLE_STREAM_ENCODER_ERROR) |
| return FLAC__FileEncoderStateString[encoder->protected_->state]; |
| else |
| return FLAC__seekable_stream_encoder_get_resolved_state_string(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API void FLAC__file_encoder_get_verify_decoder_error_stats(const FLAC__FileEncoder *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__seekable_stream_encoder_get_verify_decoder_error_stats(encoder->private_->seekable_stream_encoder, absolute_sample, frame_number, channel, sample, expected, got); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_get_verify(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_verify(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_get_streamable_subset(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_streamable_subset(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_get_do_mid_side_stereo(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_do_mid_side_stereo(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_get_loose_mid_side_stereo(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_loose_mid_side_stereo(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API unsigned FLAC__file_encoder_get_channels(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_channels(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API unsigned FLAC__file_encoder_get_bits_per_sample(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_bits_per_sample(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API unsigned FLAC__file_encoder_get_sample_rate(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_sample_rate(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API unsigned FLAC__file_encoder_get_blocksize(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_blocksize(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API unsigned FLAC__file_encoder_get_max_lpc_order(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_max_lpc_order(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API unsigned FLAC__file_encoder_get_qlp_coeff_precision(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_qlp_coeff_precision(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_get_do_qlp_coeff_prec_search(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_get_do_escape_coding(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_do_escape_coding(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_get_do_exhaustive_model_search(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_do_exhaustive_model_search(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API unsigned FLAC__file_encoder_get_min_residual_partition_order(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_min_residual_partition_order(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API unsigned FLAC__file_encoder_get_max_residual_partition_order(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_max_residual_partition_order(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API unsigned FLAC__file_encoder_get_rice_parameter_search_dist(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_rice_parameter_search_dist(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API FLAC__uint64 FLAC__file_encoder_get_total_samples_estimate(const FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| return FLAC__seekable_stream_encoder_get_total_samples_estimate(encoder->private_->seekable_stream_encoder); |
| } |
| |
| FLAC_API FLAC__bool FLAC__file_encoder_process(FLAC__FileEncoder *encoder, const FLAC__int32 * const buffer[], unsigned samples) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| if(!FLAC__seekable_stream_encoder_process(encoder->private_->seekable_stream_encoder, buffer, samples)) { |
| encoder->protected_->state = FLAC__FILE_ENCODER_SEEKABLE_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__file_encoder_process_interleaved(FLAC__FileEncoder *encoder, const FLAC__int32 buffer[], unsigned samples) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| if(!FLAC__seekable_stream_encoder_process_interleaved(encoder->private_->seekable_stream_encoder, buffer, samples)) { |
| encoder->protected_->state = FLAC__FILE_ENCODER_SEEKABLE_STREAM_ENCODER_ERROR; |
| return false; |
| } |
| else |
| return true; |
| } |
| |
| |
| /*********************************************************************** |
| * |
| * Private class methods |
| * |
| ***********************************************************************/ |
| |
| void set_defaults_(FLAC__FileEncoder *encoder) |
| { |
| FLAC__ASSERT(0 != encoder); |
| FLAC__ASSERT(0 != encoder->private_); |
| |
| encoder->private_->progress_callback = 0; |
| encoder->private_->client_data = 0; |
| encoder->private_->total_frames_estimate = 0; |
| encoder->private_->filename = 0; |
| } |
| |
| FLAC__SeekableStreamEncoderSeekStatus seek_callback_(const FLAC__SeekableStreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data) |
| { |
| FLAC__FileEncoder *file_encoder = (FLAC__FileEncoder*)client_data; |
| |
| (void)encoder; |
| |
| FLAC__ASSERT(0 != file_encoder); |
| |
| if(fseek(file_encoder->private_->file, (long)absolute_byte_offset, SEEK_SET) < 0) |
| return FLAC__SEEKABLE_STREAM_ENCODER_SEEK_STATUS_ERROR; |
| else |
| return FLAC__SEEKABLE_STREAM_ENCODER_SEEK_STATUS_OK; |
| } |
| |
| FLAC__StreamEncoderWriteStatus write_callback_(const FLAC__SeekableStreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data) |
| { |
| FLAC__FileEncoder *file_encoder = (FLAC__FileEncoder*)client_data; |
| |
| (void)encoder, (void)samples, (void)current_frame; |
| |
| FLAC__ASSERT(0 != file_encoder); |
| |
| if(fwrite(buffer, sizeof(FLAC__byte), bytes, file_encoder->private_->file) == bytes) { |
| file_encoder->private_->bytes_written += bytes; |
| file_encoder->private_->samples_written += samples; |
| if(0 != file_encoder->private_->progress_callback && samples > 0) |
| file_encoder->private_->progress_callback(file_encoder, file_encoder->private_->bytes_written, file_encoder->private_->samples_written, current_frame+1, file_encoder->private_->total_frames_estimate, file_encoder->private_->client_data); |
| return FLAC__STREAM_ENCODER_WRITE_STATUS_OK; |
| } |
| else |
| return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; |
| } |