1 /* test_libFLAC - Unit tester for libFLAC
2 * Copyright (C) 2002,2003,2004,2005,2006 Josh Coalson
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 #include "FLAC/assert.h"
24 #include "FLAC/stream_encoder.h"
25 #include "test_libs_common/file_utils_flac.h"
28 #include <sys/stat.h> /* for stat() */
33 #define min(a,b) ((a)<(b)?(a):(b))
35 #ifdef FLAC__VALGRIND_TESTING
36 static size_t local__fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
38 size_t ret = fwrite(ptr, size, nmemb, stream);
44 #define local__fwrite fwrite
49 } encoder_client_struct;
51 static FLAC__StreamEncoderWriteStatus encoder_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
53 encoder_client_struct *ecd = (encoder_client_struct*)client_data;
55 (void)encoder, (void)samples, (void)current_frame;
57 if(local__fwrite(buffer, 1, bytes, ecd->file) != bytes)
58 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
60 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
63 static void encoder_metadata_callback_(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
65 (void)encoder, (void)metadata, (void)client_data;
68 FLAC__bool file_utils__generate_flacfile(const char *output_filename, off_t *output_filesize, unsigned length, const FLAC__StreamMetadata *streaminfo, FLAC__StreamMetadata **metadata, unsigned num_metadata)
70 FLAC__int32 samples[1024];
71 FLAC__StreamEncoder *encoder;
72 encoder_client_struct encoder_client_data;
75 FLAC__ASSERT(0 != output_filename);
76 FLAC__ASSERT(0 != streaminfo);
77 FLAC__ASSERT(streaminfo->type == FLAC__METADATA_TYPE_STREAMINFO);
78 FLAC__ASSERT((streaminfo->is_last && num_metadata == 0) || (!streaminfo->is_last && num_metadata > 0));
80 if(0 == (encoder_client_data.file = fopen(output_filename, "wb")))
83 encoder = FLAC__stream_encoder_new();
85 fclose(encoder_client_data.file);
89 FLAC__stream_encoder_set_verify(encoder, true);
90 FLAC__stream_encoder_set_streamable_subset(encoder, true);
91 FLAC__stream_encoder_set_do_mid_side_stereo(encoder, false);
92 FLAC__stream_encoder_set_loose_mid_side_stereo(encoder, false);
93 FLAC__stream_encoder_set_channels(encoder, streaminfo->data.stream_info.channels);
94 FLAC__stream_encoder_set_bits_per_sample(encoder, streaminfo->data.stream_info.bits_per_sample);
95 FLAC__stream_encoder_set_sample_rate(encoder, streaminfo->data.stream_info.sample_rate);
96 FLAC__stream_encoder_set_blocksize(encoder, streaminfo->data.stream_info.min_blocksize);
97 FLAC__stream_encoder_set_max_lpc_order(encoder, 0);
98 FLAC__stream_encoder_set_qlp_coeff_precision(encoder, 0);
99 FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder, false);
100 FLAC__stream_encoder_set_do_escape_coding(encoder, false);
101 FLAC__stream_encoder_set_do_exhaustive_model_search(encoder, false);
102 FLAC__stream_encoder_set_min_residual_partition_order(encoder, 0);
103 FLAC__stream_encoder_set_max_residual_partition_order(encoder, 0);
104 FLAC__stream_encoder_set_rice_parameter_search_dist(encoder, 0);
105 FLAC__stream_encoder_set_total_samples_estimate(encoder, streaminfo->data.stream_info.total_samples);
106 FLAC__stream_encoder_set_metadata(encoder, metadata, num_metadata);
108 if(FLAC__stream_encoder_init_stream(encoder, encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, encoder_metadata_callback_, &encoder_client_data) != FLAC__STREAM_ENCODER_INIT_STATUS_OK) {
109 fclose(encoder_client_data.file);
113 /* init the dummy sample buffer */
114 for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++)
118 n = min(length, sizeof(samples) / sizeof(FLAC__int32));
120 if(!FLAC__stream_encoder_process_interleaved(encoder, samples, n)) {
121 fclose(encoder_client_data.file);
128 FLAC__stream_encoder_finish(encoder);
130 fclose(encoder_client_data.file);
132 FLAC__stream_encoder_delete(encoder);
134 if(0 != output_filesize) {
135 struct stat filestats;
137 if(stat(output_filename, &filestats) != 0)
140 *output_filesize = filestats.st_size;