forked from Green-Sky/tomato
Merge commit 'dec0d4ec4153bf9fc2b78ae6c2df45b6ea8dde7a' as 'external/sdl/SDL'
This commit is contained in:
156
external/sdl/SDL/test/testresample.c
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156
external/sdl/SDL/test/testresample.c
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/*
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Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely.
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*/
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#include <SDL3/SDL.h>
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#include <SDL3/SDL_main.h>
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#include <SDL3/SDL_test.h>
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static void log_usage(char *progname, SDLTest_CommonState *state) {
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static const char *options[] = { "in.wav", "out.wav", "newfreq", "newchan", NULL };
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SDLTest_CommonLogUsage(state, progname, options);
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}
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int main(int argc, char **argv)
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{
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SDL_AudioSpec spec;
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SDL_AudioStream *stream = NULL;
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Uint8 *dst_buf = NULL;
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Uint32 len = 0;
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Uint8 *data = NULL;
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int cvtfreq = 0;
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int cvtchans = 0;
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int bitsize = 0;
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int blockalign = 0;
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int avgbytes = 0;
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SDL_RWops *io = NULL;
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int dst_len;
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int ret = 0;
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int argpos = 0;
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int i;
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SDLTest_CommonState *state;
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char *file_in = NULL;
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char *file_out = NULL;
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/* Initialize test framework */
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state = SDLTest_CommonCreateState(argv, 0);
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if (state == NULL) {
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return 1;
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}
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/* Enable standard application logging */
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SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
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/* Parse commandline */
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for (i = 1; i < argc;) {
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int consumed;
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consumed = SDLTest_CommonArg(state, i);
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if (!consumed) {
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if (argpos == 0) {
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file_in = argv[i];
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argpos++;
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consumed = 1;
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} else if (argpos == 1) {
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file_out = argv[i];
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argpos++;
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consumed = 1;
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} else if (argpos == 2) {
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char *endp;
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cvtfreq = (int)SDL_strtoul(argv[i], &endp, 0);
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if (endp != argv[i] && *endp == '\0') {
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argpos++;
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consumed = 1;
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}
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} else if (argpos == 3) {
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char *endp;
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cvtchans = (int)SDL_strtoul(argv[i], &endp, 0);
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if (endp != argv[i] && *endp == '\0') {
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argpos++;
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consumed = 1;
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}
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}
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}
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if (consumed <= 0) {
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log_usage(argv[0], state);
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ret = 1;
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goto end;
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}
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i += consumed;
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}
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if (argpos != 4) {
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log_usage(argv[0], state);
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ret = 1;
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goto end;
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}
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if (SDL_Init(SDL_INIT_AUDIO) == -1) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_Init() failed: %s\n", SDL_GetError());
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ret = 2;
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goto end;
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}
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if (SDL_LoadWAV(file_in, &spec, &data, &len) == NULL) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "failed to load %s: %s\n", file_in, SDL_GetError());
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ret = 3;
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goto end;
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}
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if (SDL_ConvertAudioSamples(spec.format, spec.channels, spec.freq, data, len,
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spec.format, cvtchans, cvtfreq, &dst_buf, &dst_len) < 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "failed to convert samples: %s\n", SDL_GetError());
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ret = 4;
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goto end;
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}
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/* write out a WAV header... */
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io = SDL_RWFromFile(file_out, "wb");
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if (io == NULL) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "fopen('%s') failed: %s\n", file_out, SDL_GetError());
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ret = 5;
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goto end;
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}
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bitsize = SDL_AUDIO_BITSIZE(spec.format);
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blockalign = (bitsize / 8) * cvtchans;
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avgbytes = cvtfreq * blockalign;
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SDL_WriteLE32(io, 0x46464952); /* RIFF */
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SDL_WriteLE32(io, dst_len + 36);
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SDL_WriteLE32(io, 0x45564157); /* WAVE */
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SDL_WriteLE32(io, 0x20746D66); /* fmt */
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SDL_WriteLE32(io, 16); /* chunk size */
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SDL_WriteLE16(io, SDL_AUDIO_ISFLOAT(spec.format) ? 3 : 1); /* uncompressed */
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SDL_WriteLE16(io, cvtchans); /* channels */
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SDL_WriteLE32(io, cvtfreq); /* sample rate */
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SDL_WriteLE32(io, avgbytes); /* average bytes per second */
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SDL_WriteLE16(io, blockalign); /* block align */
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SDL_WriteLE16(io, bitsize); /* significant bits per sample */
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SDL_WriteLE32(io, 0x61746164); /* data */
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SDL_WriteLE32(io, dst_len); /* size */
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SDL_RWwrite(io, dst_buf, dst_len);
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if (SDL_RWclose(io) == -1) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "fclose('%s') failed: %s\n", file_out, SDL_GetError());
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ret = 6;
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goto end;
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}
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end:
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SDL_free(dst_buf);
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SDL_free(data);
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SDL_DestroyAudioStream(stream);
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SDL_Quit();
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SDLTest_CommonDestroyState(state);
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return ret;
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}
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