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Get the bus order correct on the vocoder example.

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This commit is contained in:
David Reid
2021-01-16 21:41:02 +10:00
parent ec077e7974
commit c4a07387f6
1 changed files with 22 additions and 22 deletions
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research/_examples/duplex_effect.c
+22 -22
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@@ -14,7 +14,7 @@ effect.
#include <stdio.h> #include <stdio.h>
#define DEVICE_FORMAT ma_format_f32; /* Must always be f32 for this example because the node graph system only works with this. */ #define DEVICE_FORMAT ma_format_f32; /* Must always be f32 for this example because the node graph system only works with this. */
#define DEVICE_CHANNELS 2 /* The vocoder only supports 1 or 2 channels. */ #define DEVICE_CHANNELS 1 /* For this example, always set to 1. */
static ma_audio_buffer_ref g_sourceData; /* The underlying data source of the source node. */ static ma_audio_buffer_ref g_sourceData; /* The underlying data source of the source node. */
static ma_waveform g_exciteData; /* The underlying data source of the excite node. */ static ma_waveform g_exciteData; /* The underlying data source of the excite node. */
@@ -91,26 +91,8 @@ int main(int argc, char** argv)
ma_node_set_output_bus_volume(&g_vocoderNode, 0, 2); ma_node_set_output_bus_volume(&g_vocoderNode, 0, 2);
/* Source/carrier. Attached to input bus 0 of the vocoder node. */ /* Excite/modulator. Attached to input bus 0 of the vocoder node. */
result = ma_audio_buffer_ref_init(device.capture.format, device.capture.channels, NULL, 0, &g_sourceData); waveformConfig = ma_waveform_config_init(device.capture.format, device.capture.channels, device.sampleRate, ma_waveform_type_sawtooth, 1.0, 50);
if (result != MA_SUCCESS) {
printf("Failed to initialize audio buffer for source.");
goto done2;
}
sourceNodeConfig = ma_data_source_node_config_init(&g_sourceData, MA_FALSE);
result = ma_data_source_node_init(&g_nodeGraph, &sourceNodeConfig, NULL, &g_sourceNode);
if (result != MA_SUCCESS) {
printf("Failed to initialize source node.");
goto done2;
}
ma_node_attach_output_bus(&g_sourceNode, 0, &g_vocoderNode, 0);
/* Excite/modulator. Attached to input bus 1 of the vocoder node. */
waveformConfig = ma_waveform_config_init(device.capture.format, 1, device.sampleRate, ma_waveform_type_sawtooth, 1.0, 500); /* Must be one channel. */
result = ma_waveform_init(&waveformConfig, &g_exciteData); result = ma_waveform_init(&waveformConfig, &g_exciteData);
if (result != MA_SUCCESS) { if (result != MA_SUCCESS) {
@@ -126,7 +108,25 @@ int main(int argc, char** argv)
goto done3; goto done3;
} }
ma_node_attach_output_bus(&g_exciteNode, 0, &g_vocoderNode, 1); ma_node_attach_output_bus(&g_exciteNode, 0, &g_vocoderNode, 0);
/* Source/carrier. Attached to input bus 1 of the vocoder node. */
result = ma_audio_buffer_ref_init(device.capture.format, device.capture.channels, NULL, 0, &g_sourceData);
if (result != MA_SUCCESS) {
printf("Failed to initialize audio buffer for source.");
goto done2;
}
sourceNodeConfig = ma_data_source_node_config_init(&g_sourceData, MA_FALSE);
result = ma_data_source_node_init(&g_nodeGraph, &sourceNodeConfig, NULL, &g_sourceNode);
if (result != MA_SUCCESS) {
printf("Failed to initialize source node.");
goto done2;
}
ma_node_attach_output_bus(&g_sourceNode, 0, &g_vocoderNode, 1);
ma_device_start(&device); ma_device_start(&device);