| /* test_libOggFLAC - Unit tester for libOggFLAC |
| * Copyright (C) 2002,2003,2004 Josh Coalson |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This program 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| #include "file_utils.h" |
| #include "FLAC/assert.h" |
| #include "OggFLAC/stream_encoder.h" |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <sys/stat.h> /* for stat() */ |
| |
| #ifdef min |
| #undef min |
| #endif |
| #define min(a,b) ((a)<(b)?(a):(b)) |
| |
| const long file_utils__serial_number = 12345; |
| |
| #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 |
| |
| typedef struct { |
| FILE *file; |
| } encoder_client_struct; |
| |
| static FLAC__StreamEncoderWriteStatus encoder_write_callback_(const OggFLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data) |
| { |
| encoder_client_struct *ecd = (encoder_client_struct*)client_data; |
| |
| (void)encoder, (void)samples, (void)current_frame; |
| |
| if(local__fwrite(buffer, 1, bytes, ecd->file) != bytes) |
| return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; |
| else |
| return FLAC__STREAM_ENCODER_WRITE_STATUS_OK; |
| } |
| |
| static void encoder_metadata_callback_(const OggFLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data) |
| { |
| (void)encoder, (void)metadata, (void)client_data; |
| } |
| |
| FLAC__bool file_utils__generate_oggflacfile(const char *output_filename, unsigned *output_filesize, unsigned length, const FLAC__StreamMetadata *streaminfo, FLAC__StreamMetadata **metadata, unsigned num_metadata) |
| { |
| FLAC__int32 samples[1024]; |
| OggFLAC__StreamEncoder *encoder; |
| encoder_client_struct encoder_client_data; |
| unsigned i, n; |
| |
| FLAC__ASSERT(0 != output_filename); |
| FLAC__ASSERT(0 != streaminfo); |
| FLAC__ASSERT(streaminfo->type == FLAC__METADATA_TYPE_STREAMINFO); |
| FLAC__ASSERT((streaminfo->is_last && num_metadata == 0) || (!streaminfo->is_last && num_metadata > 0)); |
| |
| if(0 == (encoder_client_data.file = fopen(output_filename, "wb"))) |
| return false; |
| |
| encoder = OggFLAC__stream_encoder_new(); |
| if(0 == encoder) { |
| fclose(encoder_client_data.file); |
| return false; |
| } |
| |
| OggFLAC__stream_encoder_set_serial_number(encoder, file_utils__serial_number); |
| OggFLAC__stream_encoder_set_verify(encoder, true); |
| OggFLAC__stream_encoder_set_streamable_subset(encoder, true); |
| OggFLAC__stream_encoder_set_do_mid_side_stereo(encoder, false); |
| OggFLAC__stream_encoder_set_loose_mid_side_stereo(encoder, false); |
| OggFLAC__stream_encoder_set_channels(encoder, streaminfo->data.stream_info.channels); |
| OggFLAC__stream_encoder_set_bits_per_sample(encoder, streaminfo->data.stream_info.bits_per_sample); |
| OggFLAC__stream_encoder_set_sample_rate(encoder, streaminfo->data.stream_info.sample_rate); |
| OggFLAC__stream_encoder_set_blocksize(encoder, streaminfo->data.stream_info.min_blocksize); |
| OggFLAC__stream_encoder_set_max_lpc_order(encoder, 0); |
| OggFLAC__stream_encoder_set_qlp_coeff_precision(encoder, 0); |
| OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder, false); |
| OggFLAC__stream_encoder_set_do_escape_coding(encoder, false); |
| OggFLAC__stream_encoder_set_do_exhaustive_model_search(encoder, false); |
| OggFLAC__stream_encoder_set_min_residual_partition_order(encoder, 0); |
| OggFLAC__stream_encoder_set_max_residual_partition_order(encoder, 0); |
| OggFLAC__stream_encoder_set_rice_parameter_search_dist(encoder, 0); |
| OggFLAC__stream_encoder_set_total_samples_estimate(encoder, streaminfo->data.stream_info.total_samples); |
| OggFLAC__stream_encoder_set_metadata(encoder, metadata, num_metadata); |
| OggFLAC__stream_encoder_set_write_callback(encoder, encoder_write_callback_); |
| OggFLAC__stream_encoder_set_metadata_callback(encoder, encoder_metadata_callback_); |
| OggFLAC__stream_encoder_set_client_data(encoder, &encoder_client_data); |
| |
| if(OggFLAC__stream_encoder_init(encoder) != OggFLAC__STREAM_ENCODER_OK) { |
| fclose(encoder_client_data.file); |
| return false; |
| } |
| |
| /* init the dummy sample buffer */ |
| for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++) |
| samples[i] = i & 7; |
| |
| while(length > 0) { |
| n = min(length, sizeof(samples) / sizeof(FLAC__int32)); |
| |
| if(!OggFLAC__stream_encoder_process_interleaved(encoder, samples, n)) { |
| fclose(encoder_client_data.file); |
| return false; |
| } |
| |
| length -= n; |
| } |
| |
| OggFLAC__stream_encoder_finish(encoder); |
| |
| fclose(encoder_client_data.file); |
| |
| OggFLAC__stream_encoder_delete(encoder); |
| |
| if(0 != output_filesize) { |
| struct stat filestats; |
| |
| if(stat(output_filename, &filestats) != 0) |
| return false; |
| else |
| *output_filesize = (unsigned)filestats.st_size; |
| } |
| |
| return true; |
| } |