ref: a291bbdeddfd41a2f0907ecbd7b819f0eedffdaf
dir: /sys/src/cmd/audio/libFLAC/file_encoder.c/
/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2002,2003,2004 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 <stdlib.h> /* for malloc() */
#include <string.h> /* for strlen(), strcpy() */
#include "FLAC/assert.h"
#include "protected/file_encoder.h"
#ifdef max
#undef max
#endif
#define max(x,y) ((x)>(y)?(x):(y))
/***********************************************************************
*
* 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/* unpublished debug routines */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__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 class data
*
***********************************************************************/
typedef struct FLAC__FileEncoderPrivate {
FLAC__FileEncoderProgressCallback progress_callback;
void *client_data;
char *filename;
FLAC__uint64 bytes_written;
FLAC__uint64 samples_written;
unsigned frames_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"
};
FLAC_API FLAC__SeekableStreamEncoder *FLAC__seekable_stream_encoder_new(void);
/***********************************************************************
*
* 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;
encoder->private_->frames_written = 0;
FLAC__seekable_stream_encoder_set_seek_callback(encoder->private_->seekable_stream_encoder, seek_callback_);
FLAC__seekable_stream_encoder_set_tell_callback(encoder->private_->seekable_stream_encoder, tell_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__SeekableStreamEncoderTellStatus tell_callback_(const FLAC__SeekableStreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
{
FLAC__FileEncoder *file_encoder = (FLAC__FileEncoder*)client_data;
long offset;
(void)encoder;
FLAC__ASSERT(0 != file_encoder);
offset = ftell(file_encoder->private_->file);
if(offset < 0) {
return FLAC__SEEKABLE_STREAM_ENCODER_TELL_STATUS_ERROR;
}
else {
*absolute_byte_offset = (FLAC__uint64)offset;
return FLAC__SEEKABLE_STREAM_ENCODER_TELL_STATUS_OK;
}
}
#ifdef FLAC__VALGRIND_TESTING
static size_t local__fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
{
size_t ret = fwrite(ptr, size, nmemb, stream);
if(!ferror(stream))
fflush(stream);
return ret;
}
#else
#define local__fwrite fwrite
#endif
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(local__fwrite(buffer, sizeof(FLAC__byte), bytes, file_encoder->private_->file) == bytes) {
file_encoder->private_->bytes_written += bytes;
file_encoder->private_->samples_written += samples;
/* we keep a high watermark on the number of frames written because
* when the encoder goes back to write metadata, 'current_frame'
* will drop back to 0.
*/
file_encoder->private_->frames_written = max(file_encoder->private_->frames_written, current_frame+1);
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, file_encoder->private_->frames_written, 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;
}