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Handle gracefully when no capture device is present

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Georgi Gerganov
2018-05-05 11:57:42 +03:00
parent 948ba4e64d
commit 011bc0d7ad
1 changed files with 24 additions and 24 deletions
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48
main.cpp
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@@ -649,22 +649,22 @@ int init() {
//devid_out = SDL_OpenAudioDevice(NULL, SDL_FALSE, &desiredSpec, &obtainedSpec, SDL_AUDIO_ALLOW_FREQUENCY_CHANGE);
devid_out = SDL_OpenAudioDevice(NULL, SDL_FALSE, &desiredSpec, &obtainedSpec, 0);
if (!devid_out) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't open an audio device for playback: %s!\n", SDL_GetError());
SDL_Quit();
exit(1);
}
printf("Couldn't open an audio device for playback: %s!\n", SDL_GetError());
devid_out = 0;
} else {
printf("Obtained spec for output device (SDL Id = %d):\n", devid_out);
printf(" - Sample rate: %d (required: %d)\n", obtainedSpec.freq, desiredSpec.freq);
printf(" - Format: %d (required: %d)\n", obtainedSpec.format, desiredSpec.format);
printf(" - Channels: %d (required: %d)\n", obtainedSpec.channels, desiredSpec.channels);
printf(" - Samples per frame: %d (required: %d)\n", obtainedSpec.samples, desiredSpec.samples);
printf("Obtained spec for output device (SDL Id = %d):\n", devid_out);
printf(" - Sample rate: %d (required: %d)\n", obtainedSpec.freq, desiredSpec.freq);
printf(" - Format: %d (required: %d)\n", obtainedSpec.format, desiredSpec.format);
printf(" - Channels: %d (required: %d)\n", obtainedSpec.channels, desiredSpec.channels);
printf(" - Samples per frame: %d (required: %d)\n", obtainedSpec.samples, desiredSpec.samples);
if (obtainedSpec.format != desiredSpec.format ||
obtainedSpec.channels != desiredSpec.channels ||
obtainedSpec.samples != desiredSpec.samples) {
SDL_CloseAudio();
throw std::runtime_error("Failed to initialize desired SDL_OpenAudio!");
if (obtainedSpec.format != desiredSpec.format ||
obtainedSpec.channels != desiredSpec.channels ||
obtainedSpec.samples != desiredSpec.samples) {
SDL_CloseAudio();
throw std::runtime_error("Failed to initialize desired SDL_OpenAudio!");
}
}
SDL_AudioSpec captureSpec;
@@ -673,23 +673,23 @@ int init() {
captureSpec.format = AUDIO_F32SYS;
captureSpec.samples = 1024;
SDL_Log("Opening capture device %s%s%s...\n",
printf("Opening capture device %s%s%s...\n",
g_captureDeviceName ? "'" : "",
g_captureDeviceName ? g_captureDeviceName : "[[default]]",
g_captureDeviceName ? "'" : "");
devid_in = SDL_OpenAudioDevice(g_captureDeviceName, SDL_TRUE, &captureSpec, &captureSpec, 0);
if (!devid_in) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't open an audio device for capture: %s!\n", SDL_GetError());
SDL_Quit();
exit(1);
}
printf("Couldn't open an audio device for capture: %s!\n", SDL_GetError());
devid_in = 0;
} else {
printf("Obtained spec for input device (SDL Id = %d):\n", devid_out);
printf(" - Sample rate: %d\n", captureSpec.freq);
printf(" - Format: %d (required: %d)\n", captureSpec.format, desiredSpec.format);
printf(" - Channels: %d (required: %d)\n", captureSpec.channels, desiredSpec.channels);
printf(" - Samples per frame: %d\n", captureSpec.samples);
printf("Obtained spec for input device (SDL Id = %d):\n", devid_out);
printf(" - Sample rate: %d\n", captureSpec.freq);
printf(" - Format: %d (required: %d)\n", captureSpec.format, desiredSpec.format);
printf(" - Channels: %d (required: %d)\n", captureSpec.channels, desiredSpec.channels);
printf(" - Samples per frame: %d\n", captureSpec.samples);
}
int sampleSizeBytes = 4;
//switch (obtainedSpec.format) {