644e501d6e
Created generic playback handler, first with Opus support. Other decoders to follow. This is to remove duplicated code. 3DSX tested working with citra and N3DS. Signed-off-by: Mahyar Koshkouei <deltabeard@users.noreply.github.com>
139 lines
3.1 KiB
C
139 lines
3.1 KiB
C
#include <3ds.h>
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#include <stdlib.h>
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#include <string.h>
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#include "all.h"
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#include "opus.h"
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#include "playback.h"
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int playFile(const char* file)
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{
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struct decoder_fn decoder;
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int16_t* buffer1 = NULL;
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int16_t* buffer2 = NULL;
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ndspWaveBuf waveBuf[2];
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bool playing = true;
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bool lastbuf = false;
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printf("Here: %d\n", __LINE__);
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if(R_FAILED(ndspInit()))
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{
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printf("Initialising ndsp failed.");
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goto out;
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}
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printf("Here: %d\n", __LINE__);
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setOpus(&decoder);
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printf("Here: %d\n", __LINE__);
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buffer1 = linearAlloc(decoder.buffSize * sizeof(int16_t));
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buffer2 = linearAlloc(decoder.buffSize * sizeof(int16_t));
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printf("Here: %d\n", __LINE__);
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if((*decoder.init)(file) != 0)
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goto out;
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printf("Here: %d\n", __LINE__);
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#ifdef DEBUG
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printf("\nRate: %lu\tChan: %d\n", (*decoder.rate)(), decoder.channels);
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#endif
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ndspChnReset(CHANNEL);
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ndspChnWaveBufClear(CHANNEL);
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ndspSetOutputMode(NDSP_OUTPUT_STEREO);
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ndspChnSetInterp(CHANNEL, NDSP_INTERP_POLYPHASE);
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ndspChnSetRate(CHANNEL, (*decoder.rate)());
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ndspChnSetFormat(CHANNEL, NDSP_FORMAT_STEREO_PCM16);
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printf("Here: %d\n", __LINE__);
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memset(waveBuf, 0, sizeof(waveBuf));
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waveBuf[0].nsamples = (*decoder.decode)(&buffer1[0]) / decoder.channels;
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waveBuf[0].data_vaddr = &buffer1[0];
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ndspChnWaveBufAdd(CHANNEL, &waveBuf[0]);
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printf("Here: %d\n", __LINE__);
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waveBuf[1].nsamples = (*decoder.decode)(&buffer2[0]) / decoder.channels;
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waveBuf[1].data_vaddr = &buffer2[0];
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ndspChnWaveBufAdd(CHANNEL, &waveBuf[1]);
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printf("Playing %s\n", file);
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/**
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* There may be a chance that the music has not started by the time we get
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* to the while loop. So we ensure that music has started here.
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*/
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while(ndspChnIsPlaying(CHANNEL) == false);
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while(playing == false || ndspChnIsPlaying(CHANNEL) == true)
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{
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u32 kDown;
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/* Number of bytes read from file.
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* Static only for the purposes of the printf debug at the bottom.
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*/
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static size_t read = 0;
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gfxSwapBuffers();
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gfxFlushBuffers();
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gspWaitForVBlank();
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hidScanInput();
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kDown = hidKeysDown();
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if(kDown & KEY_B)
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break;
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if(kDown & (KEY_A | KEY_R))
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{
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playing = !playing;
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printf("\33[2K\r%s", playing == false ? "Paused" : "");
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}
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if(playing == false || lastbuf == true)
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continue;
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if(waveBuf[0].status == NDSP_WBUF_DONE)
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{
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read = (*decoder.decode)(&buffer1[0]);
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if(read == 0)
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{
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lastbuf = true;
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continue;
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}
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else if(read < decoder.buffSize)
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waveBuf[0].nsamples = read / decoder.channels;
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ndspChnWaveBufAdd(CHANNEL, &waveBuf[0]);
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}
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if(waveBuf[1].status == NDSP_WBUF_DONE)
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{
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read = (*decoder.decode)(&buffer2[0]);
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if(read == 0)
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{
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lastbuf = true;
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continue;
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}
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else if(read < decoder.buffSize)
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waveBuf[1].nsamples = read / decoder.channels;
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ndspChnWaveBufAdd(CHANNEL, &waveBuf[1]);
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}
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DSP_FlushDataCache(buffer1, decoder.buffSize * sizeof(int16_t));
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DSP_FlushDataCache(buffer2, decoder.buffSize * sizeof(int16_t));
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}
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out:
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printf("\nStopping playback.\n");
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(*decoder.exit)();
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ndspChnWaveBufClear(CHANNEL);
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ndspExit();
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linearFree(buffer1);
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linearFree(buffer2);
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return 0;
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}
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