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diff --git a/3rdparty/libflac/examples/cpp/encode/file/main.cpp b/3rdparty/libflac/examples/cpp/encode/file/main.cpp
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+/* example_cpp_encode_file - Simple FLAC file encoder 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 encode a WAVE file to a FLAC
+ * file. It only supports 16-bit stereo files in canonical WAVE format.
+ *
+ * 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++/metadata.h"
+#include "FLAC++/encoder.h"
+
+class OurEncoder: public FLAC::Encoder::File {
+public:
+ OurEncoder(): FLAC::Encoder::File() { }
+protected:
+ virtual void progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate);
+};
+
+#define READSIZE 1024
+
+static unsigned total_samples = 0; /* can use a 32-bit number due to WAVE size limitations */
+static FLAC__byte buffer[READSIZE/*samples*/ * 2/*bytes_per_sample*/ * 2/*channels*/]; /* we read the WAVE data into here */
+static FLAC__int32 pcm[READSIZE/*samples*/ * 2/*channels*/];
+static FLAC__int32 *pcm_[2] = { pcm, pcm+READSIZE };
+
+int main(int argc, char *argv[])
+{
+ bool ok = true;
+ OurEncoder encoder;
+ FLAC__StreamEncoderInitStatus init_status;
+ FLAC__StreamMetadata *metadata[2];
+ FLAC__StreamMetadata_VorbisComment_Entry entry;
+ FILE *fin;
+ unsigned sample_rate = 0;
+ unsigned channels = 0;
+ unsigned bps = 0;
+
+ if(argc != 3) {
+ fprintf(stderr, "usage: %s infile.wav outfile.flac\n", argv[0]);
+ return 1;
+ }
+
+ if((fin = fopen(argv[1], "rb")) == NULL) {
+ fprintf(stderr, "ERROR: opening %s for output\n", argv[1]);
+ return 1;
+ }
+
+ /* read wav header and validate it */
+ if(
+ fread(buffer, 1, 44, fin) != 44 ||
+ memcmp(buffer, "RIFF", 4) ||
+ memcmp(buffer+8, "WAVEfmt \020\000\000\000\001\000\002\000", 16) ||
+ memcmp(buffer+32, "\004\000\020\000data", 8)
+ ) {
+ fprintf(stderr, "ERROR: invalid/unsupported WAVE file, only 16bps stereo WAVE in canonical form allowed\n");
+ fclose(fin);
+ return 1;
+ }
+ sample_rate = ((((((unsigned)buffer[27] << 8) | buffer[26]) << 8) | buffer[25]) << 8) | buffer[24];
+ channels = 2;
+ bps = 16;
+ total_samples = (((((((unsigned)buffer[43] << 8) | buffer[42]) << 8) | buffer[41]) << 8) | buffer[40]) / 4;
+
+ /* check the encoder */
+ if(!encoder) {
+ fprintf(stderr, "ERROR: allocating encoder\n");
+ fclose(fin);
+ return 1;
+ }
+
+ ok &= encoder.set_verify(true);
+ ok &= encoder.set_compression_level(5);
+ ok &= encoder.set_channels(channels);
+ ok &= encoder.set_bits_per_sample(bps);
+ ok &= encoder.set_sample_rate(sample_rate);
+ ok &= encoder.set_total_samples_estimate(total_samples);
+
+ /* now add some metadata; we'll add some tags and a padding block */
+ if(ok) {
+ if(
+ (metadata[0] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)) == NULL ||
+ (metadata[1] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING)) == NULL ||
+ /* there are many tag (vorbiscomment) functions but these are convenient for this particular use: */
+ !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "ARTIST", "Some Artist") ||
+ !FLAC__metadata_object_vorbiscomment_append_comment(metadata[0], entry, /*copy=*/false) || /* copy=false: let metadata object take control of entry's allocated string */
+ !FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "YEAR", "1984") ||
+ !FLAC__metadata_object_vorbiscomment_append_comment(metadata[0], entry, /*copy=*/false)
+ ) {
+ fprintf(stderr, "ERROR: out of memory or tag error\n");
+ ok = false;
+ }
+
+ metadata[1]->length = 1234; /* set the padding length */
+
+ ok = encoder.set_metadata(metadata, 2);
+ }
+
+ /* initialize encoder */
+ if(ok) {
+ init_status = encoder.init(argv[2]);
+ if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) {
+ fprintf(stderr, "ERROR: initializing encoder: %s\n", FLAC__StreamEncoderInitStatusString[init_status]);
+ ok = false;
+ }
+ }
+
+ /* read blocks of samples from WAVE file and feed to encoder */
+ if(ok) {
+ size_t left = (size_t)total_samples;
+ while(ok && left) {
+ size_t need = (left>READSIZE? (size_t)READSIZE : (size_t)left);
+ if(fread(buffer, channels*(bps/8), need, fin) != need) {
+ fprintf(stderr, "ERROR: reading from WAVE file\n");
+ ok = false;
+ }
+ else {
+ /* convert the packed little-endian 16-bit PCM samples from WAVE into an interleaved FLAC__int32 buffer for libFLAC */
+ size_t i;
+ for(i = 0; i < need*channels; i++) {
+ /* inefficient but simple and works on big- or little-endian machines */
+ pcm[i] = (FLAC__int32)(((FLAC__int16)(FLAC__int8)buffer[2*i+1] << 8) | (FLAC__int16)buffer[2*i]);
+ }
+ /* feed samples to encoder */
+ ok = encoder.process_interleaved(pcm, need);
+ }
+ left -= need;
+ }
+ }
+
+ ok &= encoder.finish();
+
+ fprintf(stderr, "encoding: %s\n", ok? "succeeded" : "FAILED");
+ fprintf(stderr, " state: %s\n", encoder.get_state().resolved_as_cstring(encoder));
+
+ /* now that encoding is finished, the metadata can be freed */
+ FLAC__metadata_object_delete(metadata[0]);
+ FLAC__metadata_object_delete(metadata[1]);
+
+ fclose(fin);
+
+ return 0;
+}
+
+void OurEncoder::progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate)
+{
+#ifdef _MSC_VER
+ fprintf(stderr, "wrote %I64u bytes, %I64u/%u samples, %u/%u frames\n", bytes_written, samples_written, total_samples, frames_written, total_frames_estimate);
+#else
+ fprintf(stderr, "wrote %llu bytes, %llu/%u samples, %u/%u frames\n", bytes_written, samples_written, total_samples, frames_written, total_frames_estimate);
+#endif
+}