docs: Update README and compilation guides for clarity and consistency, including path corrections and improved formatting. Add copyright notices to source files and adjust file permissions for several scripts and directories.
This commit is contained in:
dian.yuan
parent
f960c5030d
commit
bd891a96dd
136 changed files with 14413 additions and 9399 deletions
|
|
@ -1,135 +1,135 @@
|
|||
/*
|
||||
* Copyright (C) 2024–2025 Amlogic, Inc. All rights reserved.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
#include "common.h"
|
||||
|
||||
// third-party utilities
|
||||
// use your favorite implementations
|
||||
#define DR_WAV_IMPLEMENTATION
|
||||
#include "dr_wav.h"
|
||||
|
||||
|
||||
bool is_wav_buffer(const std::string buf) {
|
||||
// RIFF ref: https://en.wikipedia.org/wiki/Resource_Interchange_File_Format
|
||||
// WAV ref: https://www.mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/WAVE.html
|
||||
if (buf.size() < 12 || buf.substr(0, 4) != "RIFF" || buf.substr(8, 4) != "WAVE") {
|
||||
return false;
|
||||
}
|
||||
|
||||
uint32_t chunk_size = *reinterpret_cast<const uint32_t*>(buf.data() + 4);
|
||||
if (chunk_size + 8 != buf.size()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool read_wav(const std::string & fname, std::vector<float>& pcmf32, std::vector<std::vector<float>>& pcmf32s, bool stereo) {
|
||||
drwav wav;
|
||||
std::vector<uint8_t> wav_data; // used for pipe input from stdin
|
||||
|
||||
if (fname == "-") {
|
||||
{
|
||||
#ifdef _WIN32
|
||||
_setmode(_fileno(stdin), _O_BINARY);
|
||||
#endif
|
||||
|
||||
uint8_t buf[1024];
|
||||
while (true)
|
||||
{
|
||||
const size_t n = fread(buf, 1, sizeof(buf), stdin);
|
||||
if (n == 0) {
|
||||
break;
|
||||
}
|
||||
wav_data.insert(wav_data.end(), buf, buf + n);
|
||||
}
|
||||
}
|
||||
|
||||
if (drwav_init_memory(&wav, wav_data.data(), wav_data.size(), nullptr) == false) {
|
||||
fprintf(stderr, "error: failed to open WAV file from stdin\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
fprintf(stderr, "%s: read %zu bytes from stdin\n", __func__, wav_data.size());
|
||||
}
|
||||
else if (is_wav_buffer(fname)) {
|
||||
if (drwav_init_memory(&wav, fname.c_str(), fname.size(), nullptr) == false) {
|
||||
fprintf(stderr, "error: failed to open WAV file from fname buffer\n");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
else if (drwav_init_file(&wav, fname.c_str(), nullptr) == false) {
|
||||
fprintf(stderr, "error: failed to open '%s' as WAV file\n", fname.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
if (wav.channels != 1 && wav.channels != 2) {
|
||||
fprintf(stderr, "%s: WAV file '%s' must be mono or stereo\n", __func__, fname.c_str());
|
||||
drwav_uninit(&wav);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (stereo && wav.channels != 2) {
|
||||
fprintf(stderr, "%s: WAV file '%s' must be stereo for diarization\n", __func__, fname.c_str());
|
||||
drwav_uninit(&wav);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (wav.sampleRate != COMMON_SAMPLE_RATE) {
|
||||
fprintf(stderr, "%s: WAV file '%s' must be %i kHz\n", __func__, fname.c_str(), COMMON_SAMPLE_RATE/1000);
|
||||
drwav_uninit(&wav);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (wav.bitsPerSample != 16) {
|
||||
fprintf(stderr, "%s: WAV file '%s' must be 16-bit\n", __func__, fname.c_str());
|
||||
drwav_uninit(&wav);
|
||||
return false;
|
||||
}
|
||||
|
||||
const uint64_t n = wav_data.empty() ? wav.totalPCMFrameCount : wav_data.size()/(wav.channels*wav.bitsPerSample/8);
|
||||
|
||||
std::vector<int16_t> pcm16;
|
||||
pcm16.resize(n*wav.channels);
|
||||
drwav_read_pcm_frames_s16(&wav, n, pcm16.data());
|
||||
drwav_uninit(&wav);
|
||||
|
||||
// convert to mono, float
|
||||
pcmf32.resize(n);
|
||||
if (wav.channels == 1) {
|
||||
for (uint64_t i = 0; i < n; i++) {
|
||||
pcmf32[i] = float(pcm16[i])/32768.0f;
|
||||
}
|
||||
} else {
|
||||
for (uint64_t i = 0; i < n; i++) {
|
||||
pcmf32[i] = float(pcm16[2*i] + pcm16[2*i + 1])/65536.0f;
|
||||
}
|
||||
}
|
||||
|
||||
if (stereo) {
|
||||
// convert to stereo, float
|
||||
pcmf32s.resize(2);
|
||||
|
||||
pcmf32s[0].resize(n);
|
||||
pcmf32s[1].resize(n);
|
||||
for (uint64_t i = 0; i < n; i++) {
|
||||
pcmf32s[0][i] = float(pcm16[2*i])/32768.0f;
|
||||
pcmf32s[1][i] = float(pcm16[2*i + 1])/32768.0f;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
/*
|
||||
* Copyright (C) 2024–2025 Amlogic, Inc. All rights reserved.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
#include "common.h"
|
||||
|
||||
// third-party utilities
|
||||
// use your favorite implementations
|
||||
#define DR_WAV_IMPLEMENTATION
|
||||
#include "dr_wav.h"
|
||||
|
||||
|
||||
bool is_wav_buffer(const std::string buf) {
|
||||
// RIFF ref: https://en.wikipedia.org/wiki/Resource_Interchange_File_Format
|
||||
// WAV ref: https://www.mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/WAVE.html
|
||||
if (buf.size() < 12 || buf.substr(0, 4) != "RIFF" || buf.substr(8, 4) != "WAVE") {
|
||||
return false;
|
||||
}
|
||||
|
||||
uint32_t chunk_size = *reinterpret_cast<const uint32_t*>(buf.data() + 4);
|
||||
if (chunk_size + 8 != buf.size()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool read_wav(const std::string & fname, std::vector<float>& pcmf32, std::vector<std::vector<float>>& pcmf32s, bool stereo) {
|
||||
drwav wav;
|
||||
std::vector<uint8_t> wav_data; // used for pipe input from stdin
|
||||
|
||||
if (fname == "-") {
|
||||
{
|
||||
#ifdef _WIN32
|
||||
_setmode(_fileno(stdin), _O_BINARY);
|
||||
#endif
|
||||
|
||||
uint8_t buf[1024];
|
||||
while (true)
|
||||
{
|
||||
const size_t n = fread(buf, 1, sizeof(buf), stdin);
|
||||
if (n == 0) {
|
||||
break;
|
||||
}
|
||||
wav_data.insert(wav_data.end(), buf, buf + n);
|
||||
}
|
||||
}
|
||||
|
||||
if (drwav_init_memory(&wav, wav_data.data(), wav_data.size(), nullptr) == false) {
|
||||
fprintf(stderr, "error: failed to open WAV file from stdin\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
fprintf(stderr, "%s: read %zu bytes from stdin\n", __func__, wav_data.size());
|
||||
}
|
||||
else if (is_wav_buffer(fname)) {
|
||||
if (drwav_init_memory(&wav, fname.c_str(), fname.size(), nullptr) == false) {
|
||||
fprintf(stderr, "error: failed to open WAV file from fname buffer\n");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
else if (drwav_init_file(&wav, fname.c_str(), nullptr) == false) {
|
||||
fprintf(stderr, "error: failed to open '%s' as WAV file\n", fname.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
if (wav.channels != 1 && wav.channels != 2) {
|
||||
fprintf(stderr, "%s: WAV file '%s' must be mono or stereo\n", __func__, fname.c_str());
|
||||
drwav_uninit(&wav);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (stereo && wav.channels != 2) {
|
||||
fprintf(stderr, "%s: WAV file '%s' must be stereo for diarization\n", __func__, fname.c_str());
|
||||
drwav_uninit(&wav);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (wav.sampleRate != COMMON_SAMPLE_RATE) {
|
||||
fprintf(stderr, "%s: WAV file '%s' must be %i kHz\n", __func__, fname.c_str(), COMMON_SAMPLE_RATE/1000);
|
||||
drwav_uninit(&wav);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (wav.bitsPerSample != 16) {
|
||||
fprintf(stderr, "%s: WAV file '%s' must be 16-bit\n", __func__, fname.c_str());
|
||||
drwav_uninit(&wav);
|
||||
return false;
|
||||
}
|
||||
|
||||
const uint64_t n = wav_data.empty() ? wav.totalPCMFrameCount : wav_data.size()/(wav.channels*wav.bitsPerSample/8);
|
||||
|
||||
std::vector<int16_t> pcm16;
|
||||
pcm16.resize(n*wav.channels);
|
||||
drwav_read_pcm_frames_s16(&wav, n, pcm16.data());
|
||||
drwav_uninit(&wav);
|
||||
|
||||
// convert to mono, float
|
||||
pcmf32.resize(n);
|
||||
if (wav.channels == 1) {
|
||||
for (uint64_t i = 0; i < n; i++) {
|
||||
pcmf32[i] = float(pcm16[i])/32768.0f;
|
||||
}
|
||||
} else {
|
||||
for (uint64_t i = 0; i < n; i++) {
|
||||
pcmf32[i] = float(pcm16[2*i] + pcm16[2*i + 1])/65536.0f;
|
||||
}
|
||||
}
|
||||
|
||||
if (stereo) {
|
||||
// convert to stereo, float
|
||||
pcmf32s.resize(2);
|
||||
|
||||
pcmf32s[0].resize(n);
|
||||
pcmf32s[1].resize(n);
|
||||
for (uint64_t i = 0; i < n; i++) {
|
||||
pcmf32s[0][i] = float(pcm16[2*i])/32768.0f;
|
||||
pcmf32s[1][i] = float(pcm16[2*i + 1])/32768.0f;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue