Josh Coalson | a86f870 | 2002-08-20 04:03:24 +0000 | [diff] [blame] | 1 | /* test_libOggFLAC - Unit tester for libOggFLAC |
Josh Coalson | 9564390 | 2004-01-17 04:14:43 +0000 | [diff] [blame] | 2 | * Copyright (C) 2002,2003,2004 Josh Coalson |
Josh Coalson | a86f870 | 2002-08-20 04:03:24 +0000 | [diff] [blame] | 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 | #include "file_utils.h" |
| 20 | #include "FLAC/assert.h" |
| 21 | #include "OggFLAC/stream_encoder.h" |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
Josh Coalson | 5843fc2 | 2002-10-30 06:18:13 +0000 | [diff] [blame] | 24 | #include <sys/stat.h> /* for stat() */ |
Josh Coalson | a86f870 | 2002-08-20 04:03:24 +0000 | [diff] [blame] | 25 | |
| 26 | #ifdef min |
| 27 | #undef min |
| 28 | #endif |
| 29 | #define min(a,b) ((a)<(b)?(a):(b)) |
| 30 | |
Josh Coalson | 8304c8f | 2002-09-04 07:52:58 +0000 | [diff] [blame] | 31 | const long file_utils__serial_number = 12345; |
| 32 | |
Josh Coalson | f91251d | 2002-12-28 07:04:49 +0000 | [diff] [blame] | 33 | #ifdef FLAC__VALGRIND_TESTING |
| 34 | static size_t local__fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) |
| 35 | { |
| 36 | size_t ret = fwrite(ptr, size, nmemb, stream); |
| 37 | if(!ferror(stream)) |
| 38 | fflush(stream); |
| 39 | return ret; |
| 40 | } |
| 41 | #else |
| 42 | #define local__fwrite fwrite |
| 43 | #endif |
| 44 | |
Josh Coalson | a86f870 | 2002-08-20 04:03:24 +0000 | [diff] [blame] | 45 | typedef struct { |
| 46 | FILE *file; |
| 47 | } encoder_client_struct; |
| 48 | |
| 49 | static FLAC__StreamEncoderWriteStatus encoder_write_callback_(const OggFLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data) |
| 50 | { |
| 51 | encoder_client_struct *ecd = (encoder_client_struct*)client_data; |
| 52 | |
| 53 | (void)encoder, (void)samples, (void)current_frame; |
| 54 | |
Josh Coalson | f91251d | 2002-12-28 07:04:49 +0000 | [diff] [blame] | 55 | if(local__fwrite(buffer, 1, bytes, ecd->file) != bytes) |
Josh Coalson | a86f870 | 2002-08-20 04:03:24 +0000 | [diff] [blame] | 56 | return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; |
| 57 | else |
| 58 | return FLAC__STREAM_ENCODER_WRITE_STATUS_OK; |
| 59 | } |
| 60 | |
Josh Coalson | e7e5675 | 2003-09-25 04:08:46 +0000 | [diff] [blame] | 61 | static void encoder_metadata_callback_(const OggFLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data) |
| 62 | { |
| 63 | (void)encoder, (void)metadata, (void)client_data; |
| 64 | } |
| 65 | |
Josh Coalson | a86f870 | 2002-08-20 04:03:24 +0000 | [diff] [blame] | 66 | 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) |
| 67 | { |
| 68 | FLAC__int32 samples[1024]; |
| 69 | OggFLAC__StreamEncoder *encoder; |
| 70 | encoder_client_struct encoder_client_data; |
| 71 | unsigned i, n; |
| 72 | |
| 73 | FLAC__ASSERT(0 != output_filename); |
| 74 | FLAC__ASSERT(0 != streaminfo); |
| 75 | FLAC__ASSERT(streaminfo->type == FLAC__METADATA_TYPE_STREAMINFO); |
| 76 | FLAC__ASSERT((streaminfo->is_last && num_metadata == 0) || (!streaminfo->is_last && num_metadata > 0)); |
| 77 | |
| 78 | if(0 == (encoder_client_data.file = fopen(output_filename, "wb"))) |
| 79 | return false; |
| 80 | |
| 81 | encoder = OggFLAC__stream_encoder_new(); |
| 82 | if(0 == encoder) { |
| 83 | fclose(encoder_client_data.file); |
| 84 | return false; |
| 85 | } |
| 86 | |
Josh Coalson | 8304c8f | 2002-09-04 07:52:58 +0000 | [diff] [blame] | 87 | OggFLAC__stream_encoder_set_serial_number(encoder, file_utils__serial_number); |
Josh Coalson | a86f870 | 2002-08-20 04:03:24 +0000 | [diff] [blame] | 88 | OggFLAC__stream_encoder_set_verify(encoder, true); |
| 89 | OggFLAC__stream_encoder_set_streamable_subset(encoder, true); |
| 90 | OggFLAC__stream_encoder_set_do_mid_side_stereo(encoder, false); |
| 91 | OggFLAC__stream_encoder_set_loose_mid_side_stereo(encoder, false); |
| 92 | OggFLAC__stream_encoder_set_channels(encoder, streaminfo->data.stream_info.channels); |
| 93 | OggFLAC__stream_encoder_set_bits_per_sample(encoder, streaminfo->data.stream_info.bits_per_sample); |
| 94 | OggFLAC__stream_encoder_set_sample_rate(encoder, streaminfo->data.stream_info.sample_rate); |
| 95 | OggFLAC__stream_encoder_set_blocksize(encoder, streaminfo->data.stream_info.min_blocksize); |
| 96 | OggFLAC__stream_encoder_set_max_lpc_order(encoder, 0); |
| 97 | OggFLAC__stream_encoder_set_qlp_coeff_precision(encoder, 0); |
| 98 | OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder, false); |
| 99 | OggFLAC__stream_encoder_set_do_escape_coding(encoder, false); |
| 100 | OggFLAC__stream_encoder_set_do_exhaustive_model_search(encoder, false); |
| 101 | OggFLAC__stream_encoder_set_min_residual_partition_order(encoder, 0); |
| 102 | OggFLAC__stream_encoder_set_max_residual_partition_order(encoder, 0); |
| 103 | OggFLAC__stream_encoder_set_rice_parameter_search_dist(encoder, 0); |
| 104 | OggFLAC__stream_encoder_set_total_samples_estimate(encoder, streaminfo->data.stream_info.total_samples); |
| 105 | OggFLAC__stream_encoder_set_metadata(encoder, metadata, num_metadata); |
| 106 | OggFLAC__stream_encoder_set_write_callback(encoder, encoder_write_callback_); |
Josh Coalson | e7e5675 | 2003-09-25 04:08:46 +0000 | [diff] [blame] | 107 | OggFLAC__stream_encoder_set_metadata_callback(encoder, encoder_metadata_callback_); |
Josh Coalson | a86f870 | 2002-08-20 04:03:24 +0000 | [diff] [blame] | 108 | OggFLAC__stream_encoder_set_client_data(encoder, &encoder_client_data); |
| 109 | |
| 110 | if(OggFLAC__stream_encoder_init(encoder) != OggFLAC__STREAM_ENCODER_OK) { |
| 111 | fclose(encoder_client_data.file); |
| 112 | return false; |
| 113 | } |
| 114 | |
| 115 | /* init the dummy sample buffer */ |
| 116 | for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++) |
| 117 | samples[i] = i & 7; |
| 118 | |
| 119 | while(length > 0) { |
| 120 | n = min(length, sizeof(samples) / sizeof(FLAC__int32)); |
| 121 | |
| 122 | if(!OggFLAC__stream_encoder_process_interleaved(encoder, samples, n)) { |
| 123 | fclose(encoder_client_data.file); |
| 124 | return false; |
| 125 | } |
| 126 | |
| 127 | length -= n; |
| 128 | } |
| 129 | |
| 130 | OggFLAC__stream_encoder_finish(encoder); |
| 131 | |
| 132 | fclose(encoder_client_data.file); |
| 133 | |
| 134 | OggFLAC__stream_encoder_delete(encoder); |
| 135 | |
| 136 | if(0 != output_filesize) { |
| 137 | struct stat filestats; |
| 138 | |
| 139 | if(stat(output_filename, &filestats) != 0) |
| 140 | return false; |
| 141 | else |
| 142 | *output_filesize = (unsigned)filestats.st_size; |
| 143 | } |
| 144 | |
| 145 | return true; |
| 146 | } |