diff options
Diffstat (limited to 'src/libOggFLAC/seekable_stream_encoder.c')
| -rw-r--r-- | src/libOggFLAC/seekable_stream_encoder.c | 1078 |
1 files changed, 0 insertions, 1078 deletions
diff --git a/src/libOggFLAC/seekable_stream_encoder.c b/src/libOggFLAC/seekable_stream_encoder.c deleted file mode 100644 index b222905e..00000000 --- a/src/libOggFLAC/seekable_stream_encoder.c +++ /dev/null @@ -1,1078 +0,0 @@ -/* libOggFLAC - Free Lossless Audio Codec + Ogg library - * Copyright (C) 2002,2003,2004,2005,2006 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. - */ - -#if HAVE_CONFIG_H -# include <config.h> -#endif - -#include <stdio.h> -#include <stdlib.h> /* for calloc() */ -#include <string.h> /* for memcpy() */ -#include "FLAC/assert.h" -#include "OggFLAC/seekable_stream_encoder.h" -#include "protected/seekable_stream_encoder.h" -#include "private/ogg_helper.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_(OggFLAC__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 OggFLAC__SeekableStreamEncoderPrivate { - OggFLAC__SeekableStreamEncoderReadCallback read_callback; - OggFLAC__SeekableStreamEncoderSeekCallback seek_callback; - OggFLAC__SeekableStreamEncoderTellCallback tell_callback; - OggFLAC__SeekableStreamEncoderWriteCallback write_callback; - void *client_data; - FLAC__StreamEncoder *FLAC_stream_encoder; - FLAC__StreamMetadata_SeekTable *seek_table; - /* internal vars (all the above are class settings) */ - unsigned first_seekpoint_to_check; - FLAC__uint64 samples_written; -} OggFLAC__SeekableStreamEncoderPrivate; - - -/*********************************************************************** - * - * Public static class data - * - ***********************************************************************/ - -OggFLAC_API const char * const OggFLAC__SeekableStreamEncoderStateString[] = { - "OggFLAC__SEEKABLE_STREAM_ENCODER_OK", - "OggFLAC__SEEKABLE_STREAM_ENCODER_OGG_ERROR", - "OggFLAC__SEEKABLE_STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR", - "OggFLAC__SEEKABLE_STREAM_ENCODER_MEMORY_ALLOCATION_ERROR", - "OggFLAC__SEEKABLE_STREAM_ENCODER_WRITE_ERROR", - "OggFLAC__SEEKABLE_STREAM_ENCODER_READ_ERROR", - "OggFLAC__SEEKABLE_STREAM_ENCODER_READ_ERROR", - "OggFLAC__SEEKABLE_STREAM_ENCODER_SEEK_ERROR", - "OggFLAC__SEEKABLE_STREAM_ENCODER_TELL_ERROR", - "OggFLAC__SEEKABLE_STREAM_ENCODER_ALREADY_INITIALIZED", - "OggFLAC__SEEKABLE_STREAM_ENCODER_INVALID_CALLBACK", - "OggFLAC__SEEKABLE_STREAM_ENCODER_INVALID_SEEKTABLE", - "OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED" -}; - -OggFLAC_API const char * const OggFLAC__SeekableStreamEncoderReadStatusString[] = { - "OggFLAC__SEEKABLE_STREAM_ENCODER_READ_STATUS_CONTINUE", - "OggFLAC__SEEKABLE_STREAM_ENCODER_READ_STATUS_END_OF_STREAM", - "OggFLAC__SEEKABLE_STREAM_ENCODER_READ_STATUS_ABORT" -}; - - -/*********************************************************************** - * - * Class constructor/destructor - * - */ -OggFLAC_API OggFLAC__SeekableStreamEncoder *OggFLAC__seekable_stream_encoder_new() -{ - OggFLAC__SeekableStreamEncoder *encoder; - - encoder = (OggFLAC__SeekableStreamEncoder*)calloc(1, sizeof(OggFLAC__SeekableStreamEncoder)); - if(encoder == 0) { - return 0; - } - - encoder->protected_ = (OggFLAC__SeekableStreamEncoderProtected*)calloc(1, sizeof(OggFLAC__SeekableStreamEncoderProtected)); - if(encoder->protected_ == 0) { - free(encoder); - return 0; - } - - encoder->private_ = (OggFLAC__SeekableStreamEncoderPrivate*)calloc(1, sizeof(OggFLAC__SeekableStreamEncoderPrivate)); - if(encoder->private_ == 0) { - free(encoder->protected_); - free(encoder); - return 0; - } - - encoder->private_->FLAC_stream_encoder = FLAC__stream_encoder_new(); - if(0 == encoder->private_->FLAC_stream_encoder) { - free(encoder->private_); - free(encoder->protected_); - free(encoder); - return 0; - } - - set_defaults_(encoder); - - encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED; - - return encoder; -} - -OggFLAC_API void OggFLAC__seekable_stream_encoder_delete(OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - - (void)OggFLAC__seekable_stream_encoder_finish(encoder); - - FLAC__stream_encoder_delete(encoder->private_->FLAC_stream_encoder); - - free(encoder->private_); - free(encoder->protected_); - free(encoder); -} - - -/*********************************************************************** - * - * Public class methods - * - ***********************************************************************/ - -OggFLAC_API OggFLAC__SeekableStreamEncoderState OggFLAC__seekable_stream_encoder_init(OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return encoder->protected_->state = OggFLAC__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 = OggFLAC__SEEKABLE_STREAM_ENCODER_INVALID_CALLBACK; - - if(!OggFLAC__ogg_encoder_aspect_init(&encoder->protected_->ogg_encoder_aspect)) - return encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_OGG_ERROR; - - if(0 != encoder->private_->seek_table && !FLAC__format_seektable_is_legal(encoder->private_->seek_table)) - return encoder->protected_->state = OggFLAC__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_->FLAC_stream_encoder, write_callback_); - FLAC__stream_encoder_set_metadata_callback(encoder->private_->FLAC_stream_encoder, metadata_callback_); - FLAC__stream_encoder_set_client_data(encoder->private_->FLAC_stream_encoder, encoder); - - if(FLAC__stream_encoder_init(encoder->private_->FLAC_stream_encoder) != FLAC__STREAM_ENCODER_OK) - return encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_FLAC_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 = OggFLAC__SEEKABLE_STREAM_ENCODER_TELL_ERROR; - - return encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_OK; -} - -OggFLAC_API void OggFLAC__seekable_stream_encoder_finish(OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - - if(encoder->protected_->state == OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return; - - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - - FLAC__stream_encoder_finish(encoder->private_->FLAC_stream_encoder); - - OggFLAC__ogg_encoder_aspect_finish(&encoder->protected_->ogg_encoder_aspect); - - set_defaults_(encoder); - - encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED; -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_serial_number(OggFLAC__SeekableStreamEncoder *encoder, long value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - OggFLAC__ogg_encoder_aspect_set_serial_number(&encoder->protected_->ogg_encoder_aspect, value); - return true; -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_verify(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_verify(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_streamable_subset(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_streamable_subset(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_do_mid_side_stereo(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_do_mid_side_stereo(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_loose_mid_side_stereo(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_loose_mid_side_stereo(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_channels(OggFLAC__SeekableStreamEncoder *encoder, unsigned value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_channels(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_bits_per_sample(OggFLAC__SeekableStreamEncoder *encoder, unsigned value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_bits_per_sample(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_sample_rate(OggFLAC__SeekableStreamEncoder *encoder, unsigned value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_sample_rate(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_blocksize(OggFLAC__SeekableStreamEncoder *encoder, unsigned value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_blocksize(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_apodization(OggFLAC__SeekableStreamEncoder *encoder, const char *specification) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_apodization(encoder->private_->FLAC_stream_encoder, specification); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_max_lpc_order(OggFLAC__SeekableStreamEncoder *encoder, unsigned value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_max_lpc_order(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_qlp_coeff_precision(OggFLAC__SeekableStreamEncoder *encoder, unsigned value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_qlp_coeff_precision(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_do_escape_coding(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_do_escape_coding(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_do_exhaustive_model_search(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_do_exhaustive_model_search(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_min_residual_partition_order(OggFLAC__SeekableStreamEncoder *encoder, unsigned value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_min_residual_partition_order(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_max_residual_partition_order(OggFLAC__SeekableStreamEncoder *encoder, unsigned value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_max_residual_partition_order(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_rice_parameter_search_dist(OggFLAC__SeekableStreamEncoder *encoder, unsigned value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_rice_parameter_search_dist(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_total_samples_estimate(OggFLAC__SeekableStreamEncoder *encoder, FLAC__uint64 value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_set_total_samples_estimate(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_metadata(OggFLAC__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_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - /* reorder metadata if necessary to ensure that any VORBIS_COMMENT is the first, according to the mapping spec */ - if(0 != metadata && num_blocks > 1) { - unsigned i; - for(i = 1; i < num_blocks; i++) { - if(0 != metadata[i] && metadata[i]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { - FLAC__StreamMetadata *vc = metadata[i]; - for( ; i > 0; i--) - metadata[i] = metadata[i-1]; - metadata[0] = vc; - break; - } - } - } - if(0 != metadata && num_blocks > 0) { - unsigned i; - for(i = 0; i < num_blocks; i++) { - /* keep track of any SEEKTABLE block */ - 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 */ - } - } - } - if(!OggFLAC__ogg_encoder_aspect_set_num_metadata(&encoder->protected_->ogg_encoder_aspect, num_blocks)) - return false; - return FLAC__stream_encoder_set_metadata(encoder->private_->FLAC_stream_encoder, metadata, num_blocks); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_read_callback(OggFLAC__SeekableStreamEncoder *encoder, OggFLAC__SeekableStreamEncoderReadCallback value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != value); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - encoder->private_->read_callback = value; - return true; -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_seek_callback(OggFLAC__SeekableStreamEncoder *encoder, OggFLAC__SeekableStreamEncoderSeekCallback value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != value); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - encoder->private_->seek_callback = value; - return true; -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_tell_callback(OggFLAC__SeekableStreamEncoder *encoder, OggFLAC__SeekableStreamEncoderTellCallback value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != value); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - encoder->private_->tell_callback = value; - return true; -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_write_callback(OggFLAC__SeekableStreamEncoder *encoder, OggFLAC__SeekableStreamEncoderWriteCallback value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != value); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - encoder->private_->write_callback = value; - return true; -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_client_data(OggFLAC__SeekableStreamEncoder *encoder, void *value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - if(encoder->protected_->state != OggFLAC__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. - */ -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_disable_constant_subframes(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_disable_constant_subframes(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_disable_fixed_subframes(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_disable_fixed_subframes(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_disable_verbatim_subframes(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) - return false; - return FLAC__stream_encoder_disable_verbatim_subframes(encoder->private_->FLAC_stream_encoder, value); -} - -OggFLAC_API OggFLAC__SeekableStreamEncoderState OggFLAC__seekable_stream_encoder_get_state(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - return encoder->protected_->state; -} - -OggFLAC_API FLAC__StreamEncoderState OggFLAC__seekable_stream_encoder_get_FLAC_stream_encoder_state(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_state(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API FLAC__StreamDecoderState OggFLAC__seekable_stream_encoder_get_verify_decoder_state(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_verify_decoder_state(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API const char *OggFLAC__seekable_stream_encoder_get_resolved_state_string(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR) - return OggFLAC__SeekableStreamEncoderStateString[encoder->protected_->state]; - else - return FLAC__stream_encoder_get_resolved_state_string(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API void OggFLAC__seekable_stream_encoder_get_verify_decoder_error_stats(const OggFLAC__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__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - FLAC__stream_encoder_get_verify_decoder_error_stats(encoder->private_->FLAC_stream_encoder, absolute_sample, frame_number, channel, sample, expected, got); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_verify(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_verify(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_streamable_subset(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_streamable_subset(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_do_mid_side_stereo(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_do_mid_side_stereo(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_loose_mid_side_stereo(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_loose_mid_side_stereo(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_channels(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_channels(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_bits_per_sample(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_bits_per_sample(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_sample_rate(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_sample_rate(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_blocksize(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_blocksize(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_max_lpc_order(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_max_lpc_order(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_qlp_coeff_precision(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_qlp_coeff_precision(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_do_escape_coding(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_do_escape_coding(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_do_exhaustive_model_search(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_do_exhaustive_model_search(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_min_residual_partition_order(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_min_residual_partition_order(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_max_residual_partition_order(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_max_residual_partition_order(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_rice_parameter_search_dist(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_rice_parameter_search_dist(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API FLAC__uint64 OggFLAC__seekable_stream_encoder_get_total_samples_estimate(const OggFLAC__SeekableStreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - return FLAC__stream_encoder_get_total_samples_estimate(encoder->private_->FLAC_stream_encoder); -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_process(OggFLAC__SeekableStreamEncoder *encoder, const FLAC__int32 * const buffer[], unsigned samples) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(!FLAC__stream_encoder_process(encoder->private_->FLAC_stream_encoder, buffer, samples)) { - encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR; - return false; - } - else - return true; -} - -OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_process_interleaved(OggFLAC__SeekableStreamEncoder *encoder, const FLAC__int32 buffer[], unsigned samples) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != encoder->private_); - FLAC__ASSERT(0 != encoder->protected_); - FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder); - if(!FLAC__stream_encoder_process_interleaved(encoder->private_->FLAC_stream_encoder, buffer, samples)) { - encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR; - return false; - } - else - return true; -} - -/*********************************************************************** - * - * Private class methods - * - ***********************************************************************/ - -void set_defaults_(OggFLAC__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; - - OggFLAC__ogg_encoder_aspect_set_defaults(&encoder->protected_->ogg_encoder_aspect); -} - -FLAC__StreamEncoderWriteStatus write_callback_(const FLAC__StreamEncoder *unused, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data) -{ - OggFLAC__SeekableStreamEncoder *encoder = (OggFLAC__SeekableStreamEncoder*)client_data; - FLAC__StreamEncoderWriteStatus status; - FLAC__uint64 output_position; - - (void)unused; /* silence compiler warning about unused parameter */ - FLAC__ASSERT(encoder->private_->FLAC_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 = OggFLAC__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_->FLAC_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 = OggFLAC__ogg_encoder_aspect_write_callback_wrapper(&encoder->protected_->ogg_encoder_aspect, FLAC__stream_encoder_get_total_samples_estimate(encoder->private_->FLAC_stream_encoder), buffer, bytes, samples, current_frame, (OggFLAC__OggEncoderAspectWriteCallbackProxy)encoder->private_->write_callback, encoder, encoder->private_->client_data); - - if(status == FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { - encoder->private_->samples_written += samples; - } - else - encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_WRITE_ERROR; - - return status; -} - -void metadata_callback_(const FLAC__StreamEncoder *unused, const FLAC__StreamMetadata *metadata, void *client_data) -{ - OggFLAC__SeekableStreamEncoder *encoder = (OggFLAC__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; - ogg_page page; - - 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_->FLAC_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 STREAMINFO stats - */ - simple_ogg_page__init(&page); - if(!simple_ogg_page__get_at(encoder, encoder->protected_->streaminfo_offset, &page, encoder->private_->seek_callback, encoder->private_->read_callback, encoder->private_->client_data)) { - simple_ogg_page__clear(&page); - return; /* state already set */ - } - /* - * 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(md5_offset + 16 > (unsigned)page.body_len) { - encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_OGG_ERROR; - simple_ogg_page__clear(&page); - return; - } - memcpy(page.body + md5_offset, metadata->data.stream_info.md5sum, 16); - } - /* - * 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; - - if(total_samples_byte_offset + 5 > (unsigned)page.body_len) { - encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_OGG_ERROR; - simple_ogg_page__clear(&page); - return; - } - b[0] = (FLAC__byte)page.body[total_samples_byte_offset] & 0xF0; - b[0] |= (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); - memcpy(page.body + total_samples_byte_offset, b, 5); - } - /* - * 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; - - if(min_framesize_offset + 6 > (unsigned)page.body_len) { - encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_OGG_ERROR; - simple_ogg_page__clear(&page); - return; - } - 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); - memcpy(page.body + min_framesize_offset, b, 6); - } - if(!simple_ogg_page__set_at(encoder, encoder->protected_->streaminfo_offset, &page, encoder->private_->seek_callback, encoder->private_->write_callback, encoder->private_->client_data)) { - simple_ogg_page__clear(&page); - return; /* state already set */ - } - simple_ogg_page__clear(&page); - - /* - * Write seektable - */ - if(0 != encoder->private_->seek_table && encoder->private_->seek_table->num_points > 0 && encoder->protected_->seektable_offset > 0) { - unsigned i; - FLAC__byte *p; - - FLAC__format_seektable_sort(encoder->private_->seek_table); - - FLAC__ASSERT(FLAC__format_seektable_is_legal(encoder->private_->seek_table)); - - simple_ogg_page__init(&page); - if(!simple_ogg_page__get_at(encoder, encoder->protected_->seektable_offset, &page, encoder->private_->seek_callback, encoder->private_->read_callback, encoder->private_->client_data)) { - simple_ogg_page__clear(&page); - return; /* state already set */ - } - - if(FLAC__STREAM_METADATA_HEADER_LENGTH + (18*encoder->private_->seek_table->num_points) > (unsigned)page.body_len) { - encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_OGG_ERROR; - simple_ogg_page__clear(&page); - return; - } - - for(i = 0, p = page.body + FLAC__STREAM_METADATA_HEADER_LENGTH; i < encoder->private_->seek_table->num_points; i++, p += 18) { - FLAC__uint64 xx; - unsigned x; - xx = encoder->private_->seek_table->points[i].sample_number; - b[7] = (FLAC__byte)xx; xx >>= 8; - b[6] = (FLAC__byte)xx; xx >>= 8; - b[5] = (FLAC__byte)xx; xx >>= 8; - b[4] = (FLAC__byte)xx; xx >>= 8; - b[3] = (FLAC__byte)xx; xx >>= 8; - b[2] = (FLAC__byte)xx; xx >>= 8; - b[1] = (FLAC__byte)xx; xx >>= 8; - b[0] = (FLAC__byte)xx; xx >>= 8; - xx = encoder->private_->seek_table->points[i].stream_offset; - b[15] = (FLAC__byte)xx; xx >>= 8; - b[14] = (FLAC__byte)xx; xx >>= 8; - b[13] = (FLAC__byte)xx; xx >>= 8; - b[12] = (FLAC__byte)xx; xx >>= 8; - b[11] = (FLAC__byte)xx; xx >>= 8; - b[10] = (FLAC__byte)xx; xx >>= 8; - b[9] = (FLAC__byte)xx; xx >>= 8; - b[8] = (FLAC__byte)xx; xx >>= 8; - x = encoder->private_->seek_table->points[i].frame_samples; - b[17] = (FLAC__byte)x; x >>= 8; - b[16] = (FLAC__byte)x; x >>= 8; - if(encoder->private_->write_callback(encoder, b, 18, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { - encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_WRITE_ERROR; - simple_ogg_page__clear(&page); - return; - } - memcpy(p, b, 18); - } - - if(!simple_ogg_page__set_at(encoder, encoder->protected_->seektable_offset, &page, encoder->private_->seek_callback, encoder->private_->write_callback, encoder->private_->client_data)) { - simple_ogg_page__clear(&page); - return; /* state already set */ - } - simple_ogg_page__clear(&page); - } -} |