change type val for UNKNOWN metadata block from 127 (now reserved) to 126
[flac.git] / src / test_libs_common / file_utils_oggflac.c
1 /* test_libOggFLAC - Unit tester for libOggFLAC
2  * Copyright (C) 2002,2003,2004,2005,2006  Josh Coalson
3  *
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.
8  *
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.
13  *
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.
17  */
18
19 #if HAVE_CONFIG_H
20 #  include <config.h>
21 #endif
22
23 #include "FLAC/assert.h"
24 #include "OggFLAC/stream_encoder.h"
25 #include "test_libs_common/file_utils_oggflac.h"
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <sys/stat.h> /* for stat() */
29
30 #ifdef min
31 #undef min
32 #endif
33 #define min(a,b) ((a)<(b)?(a):(b))
34
35 const long file_utils__serial_number = 12345;
36
37 #ifdef FLAC__VALGRIND_TESTING
38 static size_t local__fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
39 {
40         size_t ret = fwrite(ptr, size, nmemb, stream);
41         if(!ferror(stream))
42                 fflush(stream);
43         return ret;
44 }
45 #else
46 #define local__fwrite fwrite
47 #endif
48
49 typedef struct {
50         FILE *file;
51 } encoder_client_struct;
52
53 static FLAC__StreamEncoderWriteStatus encoder_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
54 {
55         encoder_client_struct *ecd = (encoder_client_struct*)client_data;
56
57         (void)encoder, (void)samples, (void)current_frame;
58
59         if(local__fwrite(buffer, 1, bytes, ecd->file) != bytes)
60                 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
61         else
62                 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
63 }
64
65 static void encoder_metadata_callback_(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
66 {
67         (void)encoder, (void)metadata, (void)client_data;
68 }
69
70 FLAC__bool file_utils__generate_oggflacfile(const char *output_filename, off_t *output_filesize, unsigned length, const FLAC__StreamMetadata *streaminfo, FLAC__StreamMetadata **metadata, unsigned num_metadata)
71 {
72         FLAC__int32 samples[1024];
73         OggFLAC__StreamEncoder *encoder;
74         encoder_client_struct encoder_client_data;
75         unsigned i, n;
76
77         FLAC__ASSERT(0 != output_filename);
78         FLAC__ASSERT(0 != streaminfo);
79         FLAC__ASSERT(streaminfo->type == FLAC__METADATA_TYPE_STREAMINFO);
80         FLAC__ASSERT((streaminfo->is_last && num_metadata == 0) || (!streaminfo->is_last && num_metadata > 0));
81
82         if(0 == (encoder_client_data.file = fopen(output_filename, "wb")))
83                 return false;
84
85         encoder = OggFLAC__stream_encoder_new();
86         if(0 == encoder) {
87                 fclose(encoder_client_data.file);
88                 return false;
89         }
90
91         OggFLAC__stream_encoder_set_serial_number(encoder, file_utils__serial_number);
92         OggFLAC__stream_encoder_set_verify(encoder, true);
93         OggFLAC__stream_encoder_set_streamable_subset(encoder, true);
94         OggFLAC__stream_encoder_set_do_mid_side_stereo(encoder, false);
95         OggFLAC__stream_encoder_set_loose_mid_side_stereo(encoder, false);
96         OggFLAC__stream_encoder_set_channels(encoder, streaminfo->data.stream_info.channels);
97         OggFLAC__stream_encoder_set_bits_per_sample(encoder, streaminfo->data.stream_info.bits_per_sample);
98         OggFLAC__stream_encoder_set_sample_rate(encoder, streaminfo->data.stream_info.sample_rate);
99         OggFLAC__stream_encoder_set_blocksize(encoder, streaminfo->data.stream_info.min_blocksize);
100         OggFLAC__stream_encoder_set_max_lpc_order(encoder, 0);
101         OggFLAC__stream_encoder_set_qlp_coeff_precision(encoder, 0);
102         OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder, false);
103         OggFLAC__stream_encoder_set_do_escape_coding(encoder, false);
104         OggFLAC__stream_encoder_set_do_exhaustive_model_search(encoder, false);
105         OggFLAC__stream_encoder_set_min_residual_partition_order(encoder, 0);
106         OggFLAC__stream_encoder_set_max_residual_partition_order(encoder, 0);
107         OggFLAC__stream_encoder_set_rice_parameter_search_dist(encoder, 0);
108         OggFLAC__stream_encoder_set_total_samples_estimate(encoder, streaminfo->data.stream_info.total_samples);
109         OggFLAC__stream_encoder_set_metadata(encoder, metadata, num_metadata);
110
111         if(OggFLAC__stream_encoder_init_stream(encoder, /*read_callback=*/0, encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, encoder_metadata_callback_, &encoder_client_data) != FLAC__STREAM_ENCODER_INIT_STATUS_OK) {
112                 fclose(encoder_client_data.file);
113                 return false;
114         }
115
116         /* init the dummy sample buffer */
117         for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++)
118                 samples[i] = i & 7;
119
120         while(length > 0) {
121                 n = min(length, sizeof(samples) / sizeof(FLAC__int32));
122
123                 if(!OggFLAC__stream_encoder_process_interleaved(encoder, samples, n)) {
124                         fclose(encoder_client_data.file);
125                         return false;
126                 }
127
128                 length -= n;
129         }
130
131         OggFLAC__stream_encoder_finish(encoder);
132
133         fclose(encoder_client_data.file);
134
135         OggFLAC__stream_encoder_delete(encoder);
136
137         if(0 != output_filesize) {
138                 struct stat filestats;
139
140                 if(stat(output_filename, &filestats) != 0)
141                         return false;
142                 else
143                         *output_filesize = filestats.st_size;
144         }
145
146         return true;
147 }