Update example for the decoder API.

examples/multi_playback.c

@@ -58,6 +58,70 @@
 #define MAL_IMPLEMENTATION
 #include "../mini_al.h"
 
+mal_uint32 on_send_frames_to_device(mal_device* pDevice, mal_uint32 frameCount, void* pFramesOut)
+{
+    mal_decoder* pDecoder = (mal_decoder*)pDevice->pUserData;
+    if (pDecoder == NULL) {
+        return 0;
+    }
+
+    return (mal_uint32)mal_decoder_read(pDecoder, frameCount, pFramesOut);
+}
+
+int main(int argc, char** argv)
+{
+    if (argc < 2) {
+        printf("No input file.");
+        return -1;
+    }
+
+    //mal_decoder_config decoderConfig = mal_decoder_config_init(mal_format_f32, 2, 48000);
+    mal_decoder decoder;
+    mal_result result = mal_decoder_init_file(argv[1], /*&decoderConfig*/NULL, &decoder);
+    if (result != MAL_SUCCESS) {
+        return -2;
+    }
+
+
+
+    mal_context context;
+    if (mal_context_init(NULL, 0, NULL, &context) != MAL_SUCCESS) {
+        printf("Failed to initialize context.\n");
+        mal_decoder_uninit(&decoder);
+        return -3;
+    }
+
+    mal_device_config deviceConfig = mal_device_config_init_playback(decoder.outputFormat, decoder.outputChannels, decoder.outputSampleRate, on_send_frames_to_device);
+    mal_copy_memory(&deviceConfig.channelMap, decoder.outputChannelMap, sizeof(decoder.outputChannelMap));
+
+    mal_device device;
+    if (mal_device_init(&context, mal_device_type_playback, NULL, &deviceConfig, &decoder, &device) != MAL_SUCCESS) {
+        printf("Failed to initialize device.\n");
+        mal_context_uninit(&context);
+        mal_decoder_uninit(&decoder);
+        return -4;
+    }
+
+    if (mal_device_start(&device) != MAL_SUCCESS) {
+        printf("Failed to start playback device.\n");
+        mal_device_uninit(&device);
+        mal_context_uninit(&context);
+        mal_decoder_uninit(&decoder);
+        return -5;
+    }
+
+
+    printf("Press Enter to quit...");
+    getchar();
+
+    mal_device_uninit(&device);
+    mal_context_uninit(&context);
+    mal_decoder_uninit(&decoder);
+
+    return 0;
+}
+
+#if 0
 #include <stdio.h>
 
 mal_uint32 on_send_flac_frames_to_device(mal_device* pDevice, mal_uint32 frameCount, void* pSamples)
@@ -211,3 +275,4 @@ end:;
 
     return exitcode;
 }
+#endif