void uninit_audio(void)
{
if (driver.audio_data && driver.audio)
driver.audio->free(driver.audio_data);
free(g_extern.audio_data.conv_outsamples);
g_extern.audio_data.conv_outsamples = NULL;
g_extern.audio_data.data_ptr = 0;
free(g_extern.audio_data.rewind_buf);
g_extern.audio_data.rewind_buf = NULL;
if (!g_settings.audio.enable)
{
g_extern.audio_active = false;
return;
}
rarch_resampler_freep(&g_extern.audio_data.resampler, &g_extern.audio_data.resampler_data);
free(g_extern.audio_data.data);
g_extern.audio_data.data = NULL;
free(g_extern.audio_data.outsamples);
g_extern.audio_data.outsamples = NULL;
rarch_main_command(RARCH_CMD_DSP_FILTER_DEINIT);
compute_audio_buffer_statistics();
}
void uninit_audio(void)
{
if (driver.audio_data && driver.audio)
driver.audio->free(driver.audio_data);
free(g_extern.audio_data.conv_outsamples);
g_extern.audio_data.conv_outsamples = NULL;
g_extern.audio_data.data_ptr = 0;
free(g_extern.audio_data.rewind_buf);
g_extern.audio_data.rewind_buf = NULL;
if (!g_settings.audio.enable)
{
g_extern.audio_active = false;
return;
}
rarch_resampler_freep(&g_extern.audio_data.resampler, &g_extern.audio_data.resampler_data);
free(g_extern.audio_data.data);
g_extern.audio_data.data = NULL;
free(g_extern.audio_data.outsamples);
g_extern.audio_data.outsamples = NULL;
rarch_deinit_dsp_filter();
compute_audio_buffer_statistics();
}
int main(int argc, char *argv[])
{
int16_t input_i[1024];
int16_t output_i[1024 * 8];
float input_f[1024];
float output_f[1024 * 8];
if (argc != 3)
{
fprintf(stderr, "Usage: %s <in-rate> <out-rate> (max ratio: 8.0)\n", argv[0]);
return 1;
}
double in_rate = strtod(argv[1], NULL);
double out_rate = strtod(argv[2], NULL);
double ratio = out_rate / in_rate;
if (ratio >= 7.99)
{
fprintf(stderr, "Ratio is too high.\n");
return 1;
}
const rarch_resampler_t *resampler = NULL;
void *re = NULL;
if (!rarch_resampler_realloc(&re, &resampler, NULL))
{
fprintf(stderr, "Failed to allocate resampler ...\n");
return 1;
}
for (;;)
{
if (fread(input_i, sizeof(int16_t), 1024, stdin) != 1024)
break;
audio_convert_s16_to_float(input_f, input_i, 1024, 1.0f);
struct resampler_data data = {
.data_in = input_f,
.data_out = output_f,
.input_frames = sizeof(input_f) / (2 * sizeof(float)),
.ratio = ratio,
};
rarch_resampler_process(resampler, re, &data);
size_t output_samples = data.output_frames * 2;
audio_convert_float_to_s16(output_i, output_f, output_samples);
if (fwrite(output_i, sizeof(int16_t), output_samples, stdout) != output_samples)
break;
}
rarch_resampler_freep(&resampler, &re);
}
static void ffmpeg_free(void *data)
{
ffmpeg_t *handle = (ffmpeg_t*)data;
if (!handle)
return;
deinit_thread(handle);
deinit_thread_buf(handle);
if (handle->audio.codec)
{
avcodec_close(handle->audio.codec);
av_free(handle->audio.codec);
}
av_free(handle->audio.buffer);
if (handle->video.codec)
{
avcodec_close(handle->video.codec);
av_free(handle->video.codec);
}
av_frame_free(&handle->video.conv_frame);
av_free(handle->video.conv_frame_buf);
scaler_ctx_gen_reset(&handle->video.scaler);
if (handle->video.sws)
sws_freeContext(handle->video.sws);
if (handle->config.conf)
config_file_free(handle->config.conf);
if (handle->config.video_opts)
av_dict_free(&handle->config.video_opts);
if (handle->config.audio_opts)
av_dict_free(&handle->config.audio_opts);
rarch_resampler_freep(&handle->audio.resampler,
&handle->audio.resampler_data);
av_free(handle->audio.float_conv);
av_free(handle->audio.resample_out);
av_free(handle->audio.fixed_conv);
av_free(handle->audio.planar_buf);
free(handle);
}
int main(int argc, char *argv[])
{
srand(time(NULL));
int16_t input_i[1024];
int16_t output_i[1024 * 8];
float input_f[1024];
float output_f[1024 * 8];
double ratio_max_deviation = 0.0;
if (argc < 3 || argc > 4)
{
fprintf(stderr, "Usage: %s <in-rate> <out-rate> [ratio deviation] (max ratio: 8.0)\n", argv[0]);
return 1;
}
else if (argc == 4)
{
ratio_max_deviation = fabs(strtod(argv[3], NULL));
fprintf(stderr, "Ratio deviation: %.4f.\n", ratio_max_deviation);
}
double in_rate = strtod(argv[1], NULL);
double out_rate = strtod(argv[2], NULL);
double ratio = out_rate / in_rate;
if (ratio >= 7.99)
{
fprintf(stderr, "Ratio is too high.\n");
return 1;
}
const rarch_resampler_t *resampler = NULL;
void *re = NULL;
if (!rarch_resampler_realloc(&re, &resampler, RESAMPLER_IDENT, out_rate / in_rate))
{
fprintf(stderr, "Failed to allocate resampler ...\n");
return 1;
}
for (;;)
{
if (fread(input_i, sizeof(int16_t), 1024, stdin) != 1024)
break;
double uniform = (2.0 * rand()) / RAND_MAX - 1.0;
double rate_mod = 1.0 + ratio_max_deviation * uniform;
audio_convert_s16_to_float(input_f, input_i, 1024, 1.0f);
struct resampler_data data = {
.data_in = input_f,
.data_out = output_f,
.input_frames = sizeof(input_f) / (2 * sizeof(float)),
.ratio = ratio * rate_mod,
};
rarch_resampler_process(resampler, re, &data);
size_t output_samples = data.output_frames * 2;
audio_convert_float_to_s16(output_i, output_f, output_samples);
if (fwrite(output_i, sizeof(int16_t), output_samples, stdout) != output_samples)
break;
}
rarch_resampler_freep(&resampler, &re);
}