From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- contrib/SDL-3.2.8/test/testsurround.c | 282 ---------------------------------- 1 file changed, 282 deletions(-) delete mode 100644 contrib/SDL-3.2.8/test/testsurround.c (limited to 'contrib/SDL-3.2.8/test/testsurround.c') diff --git a/contrib/SDL-3.2.8/test/testsurround.c b/contrib/SDL-3.2.8/test/testsurround.c deleted file mode 100644 index 36b33f4..0000000 --- a/contrib/SDL-3.2.8/test/testsurround.c +++ /dev/null @@ -1,282 +0,0 @@ -/* - Copyright (C) 1997-2025 Sam Lantinga - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely. -*/ - -/* Program to test surround sound audio channels */ -#include -#include -#include - -static int total_channels; -static int active_channel; - -#define SAMPLE_RATE_HZ 48000 -#define QUICK_TEST_TIME_MSEC 100 -#define CHANNEL_TEST_TIME_SEC 5 -#define MAX_AMPLITUDE SDL_MAX_SINT16 - -#define SINE_FREQ_HZ 500 -#define LFE_SINE_FREQ_HZ 50 - -/* The channel layout is defined in SDL_audio.h */ -static const char *get_channel_name(int channel_index, int channel_count) -{ - switch (channel_count) { - case 1: - return "Mono"; - case 2: - switch (channel_index) { - case 0: - return "Front Left"; - case 1: - return "Front Right"; - } - break; - case 3: - switch (channel_index) { - case 0: - return "Front Left"; - case 1: - return "Front Right"; - case 2: - return "Low Frequency Effects"; - } - break; - case 4: - switch (channel_index) { - case 0: - return "Front Left"; - case 1: - return "Front Right"; - case 2: - return "Back Left"; - case 3: - return "Back Right"; - } - break; - case 5: - switch (channel_index) { - case 0: - return "Front Left"; - case 1: - return "Front Right"; - case 2: - return "Low Frequency Effects"; - case 3: - return "Back Left"; - case 4: - return "Back Right"; - } - break; - case 6: - switch (channel_index) { - case 0: - return "Front Left"; - case 1: - return "Front Right"; - case 2: - return "Front Center"; - case 3: - return "Low Frequency Effects"; - case 4: - return "Back Left"; - case 5: - return "Back Right"; - } - break; - case 7: - switch (channel_index) { - case 0: - return "Front Left"; - case 1: - return "Front Right"; - case 2: - return "Front Center"; - case 3: - return "Low Frequency Effects"; - case 4: - return "Back Center"; - case 5: - return "Side Left"; - case 6: - return "Side Right"; - } - break; - case 8: - switch (channel_index) { - case 0: - return "Front Left"; - case 1: - return "Front Right"; - case 2: - return "Front Center"; - case 3: - return "Low Frequency Effects"; - case 4: - return "Back Left"; - case 5: - return "Back Right"; - case 6: - return "Side Left"; - case 7: - return "Side Right"; - } - break; - default: - break; - } - SDLTest_AssertCheck(false, "Invalid channel_index for channel_count: channel_count=%d channel_index=%d", channel_count, channel_index); - SDL_assert(0); - return NULL; -} - -static bool is_lfe_channel(int channel_index, int channel_count) -{ - return (channel_count == 3 && channel_index == 2) || (channel_count >= 6 && channel_index == 3); -} - -static void SDLCALL fill_buffer(void *userdata, SDL_AudioStream *stream, int len, int totallen) -{ - const int samples = len / sizeof(Sint16); - Sint16 *buffer = NULL; - static int total_samples = 0; - int i; - - /* This can happen for a short time when switching devices */ - if (active_channel == total_channels) { - return; - } - - buffer = (Sint16 *) SDL_calloc(samples, sizeof(Sint16)); - if (!buffer) { - return; /* oh well. */ - } - - /* Play a sine wave on the active channel only */ - for (i = active_channel; i < samples; i += total_channels) { - float time = (float)total_samples++ / SAMPLE_RATE_HZ; - int sine_freq = is_lfe_channel(active_channel, total_channels) ? LFE_SINE_FREQ_HZ : SINE_FREQ_HZ; - int amplitude; - - /* Gradually ramp up and down to avoid audible pops when switching between channels */ - if (total_samples < SAMPLE_RATE_HZ) { - amplitude = total_samples * MAX_AMPLITUDE / SAMPLE_RATE_HZ; - } else if (total_samples > (CHANNEL_TEST_TIME_SEC - 1) * SAMPLE_RATE_HZ) { - amplitude = (CHANNEL_TEST_TIME_SEC * SAMPLE_RATE_HZ - total_samples) * MAX_AMPLITUDE / SAMPLE_RATE_HZ; - } else { - amplitude = MAX_AMPLITUDE; - } - - buffer[i] = (Sint16)(SDL_sin(6.283185f * sine_freq * time) * amplitude); - - /* Reset our state for next callback if this channel test is finished */ - if (total_samples == CHANNEL_TEST_TIME_SEC * SAMPLE_RATE_HZ) { - total_samples = 0; - active_channel++; - break; - } - } - - SDL_PutAudioStreamData(stream, buffer, samples * sizeof (Sint16)); - - SDL_free(buffer); -} - -int main(int argc, char *argv[]) -{ - SDL_AudioDeviceID *devices; - SDLTest_CommonState *state; - int devcount = 0; - int i; - - /* Initialize test framework */ - state = SDLTest_CommonCreateState(argv, 0); - if (!state) { - return 1; - } - - if (!SDLTest_CommonDefaultArgs(state, argc, argv)) { - SDLTest_CommonQuit(state); - return 1; - } - - if (!SDL_Init(SDL_INIT_AUDIO)) { - SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s", SDL_GetError()); - return 1; - } - - /* Show the list of available drivers */ - SDL_Log("Available audio drivers:"); - for (i = 0; i < SDL_GetNumAudioDrivers(); ++i) { - SDL_Log("%i: %s", i, SDL_GetAudioDriver(i)); - } - - SDL_Log("Using audio driver: %s", SDL_GetCurrentAudioDriver()); - - devices = SDL_GetAudioPlaybackDevices(&devcount); - if (!devices) { - SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GetAudioPlaybackDevices() failed: %s", SDL_GetError()); - } - - SDL_Log("Available audio devices:"); - for (i = 0; i < devcount; i++) { - SDL_Log("%s", SDL_GetAudioDeviceName(devices[i])); - } - - for (i = 0; i < devcount; i++) { - SDL_AudioStream *stream = NULL; - const char *devname = SDL_GetAudioDeviceName(devices[i]); - int j; - SDL_AudioSpec spec; - - SDL_Log("Testing audio device: %s", devname); - - if (!SDL_GetAudioDeviceFormat(devices[i], &spec, NULL)) { - SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GetAudioDeviceFormat() failed: %s", SDL_GetError()); - continue; - } - - SDL_Log(" (%d channels)", spec.channels); - - spec.freq = SAMPLE_RATE_HZ; - spec.format = SDL_AUDIO_S16; - - /* These are used by the fill_buffer callback */ - total_channels = spec.channels; - active_channel = 0; - - stream = SDL_OpenAudioDeviceStream(devices[i], &spec, fill_buffer, NULL); - if (!stream) { - SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_OpenAudioDeviceStream() failed: %s", SDL_GetError()); - continue; - } - SDL_ResumeAudioStreamDevice(stream); - - for (j = 0; j < total_channels; j++) { - const int sine_freq = is_lfe_channel(j, total_channels) ? LFE_SINE_FREQ_HZ : SINE_FREQ_HZ; - - SDL_Log("Playing %d Hz test tone on channel: %s", sine_freq, get_channel_name(j, total_channels)); - - /* fill_buffer() will increment the active channel */ - if (SDL_GetEnvironmentVariable(SDL_GetEnvironment(), "SDL_TESTS_QUICK") != NULL) { - SDL_Delay(QUICK_TEST_TIME_MSEC); - } else { - SDL_Delay(CHANNEL_TEST_TIME_SEC * 1000); - } - } - - SDL_DestroyAudioStream(stream); - } - SDL_free(devices); - - SDL_Quit(); - return 0; -} -- cgit v1.2.3