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author Vas Crabb <vas@vastheman.com>2023-12-06 17:12:21 +1100
committer Vas Crabb <vas@vastheman.com>2023-12-06 17:12:45 +1100
commit414c5ce5a54d242ccc0303b4f94e8d7cfe651570 (patch)
treed4f74eb35d22b58f33eecc3e3cf2529703c8be2a /3rdparty/libflac/examples/cpp/encode/file/main.cpp
parentfaf991a563a9bf8adc7aeee80001606d58857b99 (diff)
3rdparty: Renamed libflac to flac - it's a full FLAC distribution, libFLAC is just a small part of it.
Diffstat (limited to '3rdparty/libflac/examples/cpp/encode/file/main.cpp')
-rw-r--r--3rdparty/libflac/examples/cpp/encode/file/main.cpp178
1 files changed, 0 insertions, 178 deletions
diff --git a/3rdparty/libflac/examples/cpp/encode/file/main.cpp b/3rdparty/libflac/examples/cpp/encode/file/main.cpp
deleted file mode 100644
index c420d230d86..00000000000
--- a/3rdparty/libflac/examples/cpp/encode/file/main.cpp
+++ /dev/null
@@ -1,178 +0,0 @@
-/* example_cpp_encode_file - Simple FLAC file encoder using libFLAC
- * Copyright (C) 2007-2009 Josh Coalson
- * Copyright (C) 2011-2023 Xiph.Org Foundation
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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://xiph.org/flac/api/
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "FLAC++/metadata.h"
-#include "FLAC++/encoder.h"
-#include "share/compat.h"
-
-#include <cstring>
-
-class OurEncoder: public FLAC::Encoder::File {
-public:
- OurEncoder(): FLAC::Encoder::File() { }
-protected:
- virtual void progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, uint32_t frames_written, uint32_t total_frames_estimate);
-};
-
-#define READSIZE 1024
-
-static uint32_t 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*/];
-
-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;
- uint32_t sample_rate = 0;
- uint32_t channels = 0;
- uint32_t 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 = ((((((uint32_t)buffer[27] << 8) | buffer[26]) << 8) | buffer[25]) << 8) | buffer[24];
- channels = 2;
- bps = 16;
- total_samples = (((((((uint32_t)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;
- } else {
-
- 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, uint32_t frames_written, uint32_t total_frames_estimate)
-{
- fprintf(stderr, "wrote %" PRIu64 " bytes, %" PRIu64 "/%u samples, %u/%u frames\n", bytes_written, samples_written, total_samples, frames_written, total_frames_estimate);
-}