summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/libflac/examples/cpp/decode/file/main.cpp
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/libflac/examples/cpp/decode/file/main.cpp')
-rw-r--r--3rdparty/libflac/examples/cpp/decode/file/main.cpp189
1 files changed, 0 insertions, 189 deletions
diff --git a/3rdparty/libflac/examples/cpp/decode/file/main.cpp b/3rdparty/libflac/examples/cpp/decode/file/main.cpp
deleted file mode 100644
index 56140503fcf..00000000000
--- a/3rdparty/libflac/examples/cpp/decode/file/main.cpp
+++ /dev/null
@@ -1,189 +0,0 @@
-/* example_cpp_decode_file - Simple FLAC file decoder using libFLAC
- * Copyright (C) 2007 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.
- */
-
-/*
- * This example shows how to use libFLAC++ to decode a FLAC file to a WAVE
- * file. It only supports 16-bit stereo files.
- *
- * Complete API documentation can be found at:
- * http://flac.sourceforge.net/api/
- */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include "FLAC++/decoder.h"
-
-static FLAC__uint64 total_samples = 0;
-static unsigned sample_rate = 0;
-static unsigned channels = 0;
-static unsigned bps = 0;
-
-static bool write_little_endian_uint16(FILE *f, FLAC__uint16 x)
-{
- return
- fputc(x, f) != EOF &&
- fputc(x >> 8, f) != EOF
- ;
-}
-
-static bool write_little_endian_int16(FILE *f, FLAC__int16 x)
-{
- return write_little_endian_uint16(f, (FLAC__uint16)x);
-}
-
-static bool write_little_endian_uint32(FILE *f, FLAC__uint32 x)
-{
- return
- fputc(x, f) != EOF &&
- fputc(x >> 8, f) != EOF &&
- fputc(x >> 16, f) != EOF &&
- fputc(x >> 24, f) != EOF
- ;
-}
-
-class OurDecoder: public FLAC::Decoder::File {
-public:
- OurDecoder(FILE *f_): FLAC::Decoder::File(), f(f_) { }
-protected:
- FILE *f;
-
- virtual ::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]);
- virtual void metadata_callback(const ::FLAC__StreamMetadata *metadata);
- virtual void error_callback(::FLAC__StreamDecoderErrorStatus status);
-};
-
-int main(int argc, char *argv[])
-{
- bool ok = true;
- FILE *fout;
-
- if(argc != 3) {
- fprintf(stderr, "usage: %s infile.flac outfile.wav\n", argv[0]);
- return 1;
- }
-
- if((fout = fopen(argv[2], "wb")) == NULL) {
- fprintf(stderr, "ERROR: opening %s for output\n", argv[2]);
- return 1;
- }
-
- OurDecoder decoder(fout);
-
- if(!decoder) {
- fprintf(stderr, "ERROR: allocating decoder\n");
- fclose(fout);
- return 1;
- }
-
- (void)decoder.set_md5_checking(true);
-
- FLAC__StreamDecoderInitStatus init_status = decoder.init(argv[1]);
- if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
- fprintf(stderr, "ERROR: initializing decoder: %s\n", FLAC__StreamDecoderInitStatusString[init_status]);
- ok = false;
- }
-
- if(ok) {
- ok = decoder.process_until_end_of_stream();
- fprintf(stderr, "decoding: %s\n", ok? "succeeded" : "FAILED");
- fprintf(stderr, " state: %s\n", decoder.get_state().resolved_as_cstring(decoder));
- }
-
- fclose(fout);
-
- return 0;
-}
-
-::FLAC__StreamDecoderWriteStatus OurDecoder::write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[])
-{
- const FLAC__uint32 total_size = (FLAC__uint32)(total_samples * channels * (bps/8));
- size_t i;
-
- if(total_samples == 0) {
- fprintf(stderr, "ERROR: this example only works for FLAC files that have a total_samples count in STREAMINFO\n");
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
- }
- if(channels != 2 || bps != 16) {
- fprintf(stderr, "ERROR: this example only supports 16bit stereo streams\n");
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
- }
-
- /* write WAVE header before we write the first frame */
- if(frame->header.number.sample_number == 0) {
- if(
- fwrite("RIFF", 1, 4, f) < 4 ||
- !write_little_endian_uint32(f, total_size + 36) ||
- fwrite("WAVEfmt ", 1, 8, f) < 8 ||
- !write_little_endian_uint32(f, 16) ||
- !write_little_endian_uint16(f, 1) ||
- !write_little_endian_uint16(f, (FLAC__uint16)channels) ||
- !write_little_endian_uint32(f, sample_rate) ||
- !write_little_endian_uint32(f, sample_rate * channels * (bps/8)) ||
- !write_little_endian_uint16(f, (FLAC__uint16)(channels * (bps/8))) || /* block align */
- !write_little_endian_uint16(f, (FLAC__uint16)bps) ||
- fwrite("data", 1, 4, f) < 4 ||
- !write_little_endian_uint32(f, total_size)
- ) {
- fprintf(stderr, "ERROR: write error\n");
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
- }
- }
-
- /* write decoded PCM samples */
- for(i = 0; i < frame->header.blocksize; i++) {
- if(
- !write_little_endian_int16(f, (FLAC__int16)buffer[0][i]) || /* left channel */
- !write_little_endian_int16(f, (FLAC__int16)buffer[1][i]) /* right channel */
- ) {
- fprintf(stderr, "ERROR: write error\n");
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
- }
- }
-
- return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
-}
-
-void OurDecoder::metadata_callback(const ::FLAC__StreamMetadata *metadata)
-{
- /* print some stats */
- if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO) {
- /* save for later */
- total_samples = metadata->data.stream_info.total_samples;
- sample_rate = metadata->data.stream_info.sample_rate;
- channels = metadata->data.stream_info.channels;
- bps = metadata->data.stream_info.bits_per_sample;
-
- fprintf(stderr, "sample rate : %u Hz\n", sample_rate);
- fprintf(stderr, "channels : %u\n", channels);
- fprintf(stderr, "bits per sample: %u\n", bps);
-#ifdef _MSC_VER
- fprintf(stderr, "total samples : %I64u\n", total_samples);
-#else
- fprintf(stderr, "total samples : %llu\n", total_samples);
-#endif
- }
-}
-
-void OurDecoder::error_callback(::FLAC__StreamDecoderErrorStatus status)
-{
- fprintf(stderr, "Got error callback: %s\n", FLAC__StreamDecoderErrorStatusString[status]);
-}