From 631ab4d69b6611ce2c680cb318023893e67ada95 Mon Sep 17 00:00:00 2001 From: David Reid Date: Tue, 20 Feb 2018 21:41:24 +1000 Subject: [PATCH] Update example for the decoder API. --- examples/multi_playback.c | 65 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/examples/multi_playback.c b/examples/multi_playback.c index 26bcbff6..d8194f3a 100644 --- a/examples/multi_playback.c +++ b/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 mal_uint32 on_send_flac_frames_to_device(mal_device* pDevice, mal_uint32 frameCount, void* pSamples) @@ -211,3 +275,4 @@ end:; return exitcode; } +#endif