2022-08-26 15:15:16 +00:00
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//----------------------------------------------------------------------------------------------------
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// ___ ___ __ _ _ ___ ___ _ _ _ ___ _
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// / _ \| _ ) / /| | || _ \ __| /_\ _ _ __| (_)___ | __|_ _ __ _(_)_ _ ___
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// | (_) | _ \/ _ \_ _| _/ _| / _ \ || / _` | / _ \ | _|| ' \/ _` | | ' \/ -_)
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// \__\_\___/\___/ |_||_| |___| /_/ \_\_,_\__,_|_\___/ |___|_||_\__, |_|_||_\___|
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// |___/
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//
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// QB64-PE Audio Engine powered by miniaudio (https://miniaud.io/)
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//
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2023-04-20 18:32:40 +00:00
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// This implements a data source that decodes MOD, S3M, XM & IT files using libxmp-lite
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// https://github.com/libxmp/libxmp/tree/master/lite (MIT)
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2022-08-26 15:15:16 +00:00
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//
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//-----------------------------------------------------------------------------------------------------
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2023-04-20 18:32:40 +00:00
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#include "../miniaudio.h"
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2022-09-09 03:59:19 +00:00
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#include "audio.h"
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#include "filepath.h"
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2023-04-20 18:32:40 +00:00
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#include "libqb-common.h"
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2022-08-31 01:29:33 +00:00
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#include <stdio.h>
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#include <string.h>
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2022-08-26 15:15:16 +00:00
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#define BUILDING_STATIC 1
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#include "libxmp-lite/xmp.h"
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2022-08-31 01:29:33 +00:00
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#include "vtables.h"
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2022-08-26 15:15:16 +00:00
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struct ma_modplay {
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// This part is for miniaudio
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ma_data_source_base ds; /* The decoder can be used independently as a data source. */
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ma_read_proc onRead;
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ma_seek_proc onSeek;
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ma_tell_proc onTell;
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void *pReadSeekTellUserData;
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ma_format format;
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// This part is format specific
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xmp_context xmpContext; // The player context
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xmp_frame_info xmpFrameInfo; // LibXMP frameinfo - used to detect loops
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ma_uint32 loopCount; // We'll maintain our own loop counter and check this against LibXMP's to detect new loops
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};
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static ma_result ma_modplay_seek_to_pcm_frame(ma_modplay *pModplay, ma_uint64 frameIndex) {
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if (pModplay == NULL) {
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return MA_INVALID_ARGS;
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}
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if (xmp_seek_time(pModplay->xmpContext, (int)((frameIndex * 1000) / MA_DEFAULT_SAMPLE_RATE)) == -XMP_ERROR_STATE) {
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return MA_INVALID_OPERATION;
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}
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return MA_SUCCESS;
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}
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static ma_result ma_modplay_get_data_format(ma_modplay *pModplay, ma_format *pFormat, ma_uint32 *pChannels, ma_uint32 *pSampleRate, ma_channel *pChannelMap,
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size_t channelMapCap) {
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/* Defaults for safety. */
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if (pFormat != NULL) {
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*pFormat = ma_format_unknown;
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}
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if (pChannels != NULL) {
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*pChannels = 0;
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}
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if (pSampleRate != NULL) {
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*pSampleRate = 0;
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}
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if (pChannelMap != NULL) {
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2022-08-31 01:29:33 +00:00
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memset(pChannelMap, 0, sizeof(*pChannelMap) * channelMapCap);
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2022-08-26 15:15:16 +00:00
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}
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if (pModplay == NULL) {
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return MA_INVALID_OPERATION;
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}
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if (pFormat != NULL) {
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*pFormat = pModplay->format;
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}
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if (pChannels != NULL) {
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*pChannels = 2; // Stereo
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}
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if (pSampleRate != NULL) {
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*pSampleRate = MA_DEFAULT_SAMPLE_RATE;
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}
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if (pChannelMap != NULL) {
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ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, 2);
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}
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return MA_SUCCESS;
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}
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static ma_result ma_modplay_read_pcm_frames(ma_modplay *pModplay, void *pFramesOut, ma_uint64 frameCount, ma_uint64 *pFramesRead) {
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if (pFramesRead != NULL) {
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*pFramesRead = 0;
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}
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if (frameCount == 0) {
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return MA_INVALID_ARGS;
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}
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if (pModplay == NULL) {
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return MA_INVALID_ARGS;
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}
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ma_result result = MA_SUCCESS; // Must be initialized to MA_SUCCESS
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// Render some 16-bit stereo sample frames
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int xmpError = xmp_play_buffer(pModplay->xmpContext, pFramesOut, (int)(frameCount * sizeof(ma_int16) * 2), 0);
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// Get the frame information to detect if we are looping
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xmp_get_frame_info(pModplay->xmpContext, &pModplay->xmpFrameInfo);
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// Check if we have reached the end or are looping
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if (pModplay->xmpFrameInfo.loop_count != pModplay->loopCount || xmpError == -XMP_END || xmpError == -XMP_ERROR_STATE) {
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pModplay->loopCount = pModplay->xmpFrameInfo.loop_count;
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result = MA_AT_END;
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}
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if (pFramesRead != NULL) {
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*pFramesRead = frameCount;
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}
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return result;
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}
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static ma_result ma_modplay_get_cursor_in_pcm_frames(ma_modplay *pModplay, ma_uint64 *pCursor) {
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if (!pCursor) {
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return MA_INVALID_ARGS;
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}
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*pCursor = 0; /* Safety. */
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if (!pModplay) {
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return MA_INVALID_ARGS;
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}
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// Get the frame information
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xmp_get_frame_info(pModplay->xmpContext, &pModplay->xmpFrameInfo);
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ma_int64 offset = ((ma_int64)pModplay->xmpFrameInfo.time * MA_DEFAULT_SAMPLE_RATE) / 1000;
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if (offset < 0) {
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return MA_INVALID_FILE;
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}
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*pCursor = (ma_uint64)offset;
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return MA_SUCCESS;
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}
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static ma_result ma_modplay_get_length_in_pcm_frames(ma_modplay *pModplay, ma_uint64 *pLength) {
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if (!pLength) {
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return MA_INVALID_ARGS;
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}
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*pLength = 0; /* Safety. */
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if (!pModplay) {
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return MA_INVALID_ARGS;
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}
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ma_int64 length = ((ma_int64)pModplay->xmpFrameInfo.total_time * MA_DEFAULT_SAMPLE_RATE) / 1000;
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if (length < 0) {
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return MA_INVALID_FILE;
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}
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*pLength = (ma_uint64)length;
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return MA_SUCCESS;
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}
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static ma_result ma_modplay_ds_read(ma_data_source *pDataSource, void *pFramesOut, ma_uint64 frameCount, ma_uint64 *pFramesRead) {
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return ma_modplay_read_pcm_frames((ma_modplay *)pDataSource, pFramesOut, frameCount, pFramesRead);
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}
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static ma_result ma_modplay_ds_seek(ma_data_source *pDataSource, ma_uint64 frameIndex) {
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return ma_modplay_seek_to_pcm_frame((ma_modplay *)pDataSource, frameIndex);
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}
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static ma_result ma_modplay_ds_get_data_format(ma_data_source *pDataSource, ma_format *pFormat, ma_uint32 *pChannels, ma_uint32 *pSampleRate,
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ma_channel *pChannelMap, size_t channelMapCap) {
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return ma_modplay_get_data_format((ma_modplay *)pDataSource, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
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}
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static ma_result ma_modplay_ds_get_cursor(ma_data_source *pDataSource, ma_uint64 *pCursor) {
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return ma_modplay_get_cursor_in_pcm_frames((ma_modplay *)pDataSource, pCursor);
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}
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static ma_result ma_modplay_ds_get_length(ma_data_source *pDataSource, ma_uint64 *pLength) {
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return ma_modplay_get_length_in_pcm_frames((ma_modplay *)pDataSource, pLength);
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}
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2023-04-20 18:32:40 +00:00
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// clang-format off
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static ma_data_source_vtable ma_data_source_vtable_modplay = {
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ma_modplay_ds_read,
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ma_modplay_ds_seek,
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ma_modplay_ds_get_data_format,
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ma_modplay_ds_get_cursor,
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ma_modplay_ds_get_length
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};
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// clang-format on
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2022-08-26 15:15:16 +00:00
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static int ma_modplay_of_callback__read(void *pUserData, unsigned char *pBufferOut, int bytesToRead) {
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ma_modplay *pModplay = (ma_modplay *)pUserData;
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ma_result result;
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size_t bytesRead;
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result = pModplay->onRead(pModplay->pReadSeekTellUserData, (void *)pBufferOut, bytesToRead, &bytesRead);
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if (result != MA_SUCCESS) {
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return -1;
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}
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return (int)bytesRead;
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}
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static int ma_modplay_of_callback__seek(void *pUserData, ma_int64 offset, int whence) {
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ma_modplay *pModplay = (ma_modplay *)pUserData;
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ma_result result;
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ma_seek_origin origin;
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if (whence == SEEK_SET) {
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origin = ma_seek_origin_start;
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} else if (whence == SEEK_END) {
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origin = ma_seek_origin_end;
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} else {
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origin = ma_seek_origin_current;
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}
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result = pModplay->onSeek(pModplay->pReadSeekTellUserData, offset, origin);
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if (result != MA_SUCCESS) {
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return -1;
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}
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return 0;
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}
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static ma_int64 ma_modplay_of_callback__tell(void *pUserData) {
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ma_modplay *pModplay = (ma_modplay *)pUserData;
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ma_result result;
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ma_int64 cursor;
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if (pModplay->onTell == NULL) {
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return -1;
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}
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result = pModplay->onTell(pModplay->pReadSeekTellUserData, &cursor);
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if (result != MA_SUCCESS) {
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return -1;
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}
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return cursor;
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}
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static ma_result ma_modplay_init_internal(const ma_decoding_backend_config *pConfig, ma_modplay *pModplay) {
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ma_result result;
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ma_data_source_config dataSourceConfig;
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if (pModplay == NULL) {
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return MA_INVALID_ARGS;
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}
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2022-08-31 01:29:33 +00:00
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memset(pModplay, 0, sizeof(*pModplay));
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2022-08-26 15:15:16 +00:00
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pModplay->format = ma_format::ma_format_s16; // We'll render 16-bit signed samples by default
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if (pConfig != NULL && pConfig->preferredFormat == ma_format::ma_format_s16) {
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pModplay->format = pConfig->preferredFormat;
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} else {
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/* Getting here means something other than s16 was specified. Just leave this unset to use the default format. */
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}
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dataSourceConfig = ma_data_source_config_init();
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dataSourceConfig.vtable = &ma_data_source_vtable_modplay;
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result = ma_data_source_init(&dataSourceConfig, &pModplay->ds);
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if (result != MA_SUCCESS) {
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return result; /* Failed to initialize the base data source. */
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}
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return MA_SUCCESS;
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}
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static ma_result ma_modplay_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void *pReadSeekTellUserData,
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const ma_decoding_backend_config *pConfig, const ma_allocation_callbacks *pAllocationCallbacks, ma_modplay *pModplay) {
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ma_result result;
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(void)pAllocationCallbacks; /* Can't seem to find a way to configure memory allocations in libopus. */
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result = ma_modplay_init_internal(pConfig, pModplay);
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if (result != MA_SUCCESS) {
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return result;
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}
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if (onRead == NULL || onSeek == NULL) {
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return MA_INVALID_ARGS; /* onRead and onSeek are mandatory. */
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}
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pModplay->onRead = onRead;
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pModplay->onSeek = onSeek;
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pModplay->onTell = onTell;
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pModplay->pReadSeekTellUserData = pReadSeekTellUserData;
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// Find the size of the file
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if (ma_modplay_of_callback__seek(pModplay, 0, SEEK_END) != 0) {
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return MA_BAD_SEEK;
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}
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// Calculate the length
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ma_int64 file_size = ma_modplay_of_callback__tell(pModplay);
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if (file_size < 1) {
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return MA_INVALID_FILE;
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}
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// Seek to the beginning of the file
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if (ma_modplay_of_callback__seek(pModplay, 0, SEEK_SET) != 0) {
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return MA_BAD_SEEK;
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}
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// Allocate some memory for the tune
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ma_uint8 *tune = new ma_uint8[file_size];
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if (tune == nullptr) {
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return MA_OUT_OF_MEMORY;
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}
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// Read the file
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if (ma_modplay_of_callback__read(pModplay, tune, (int)file_size) < 1) {
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delete[] tune;
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return MA_IO_ERROR;
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}
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// Check if the file is a valid module music
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xmp_test_info xmpTestInfo;
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int xmpError = xmp_test_module_from_memory(tune, (long)file_size, &xmpTestInfo);
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if (xmpError != 0) {
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delete[] tune;
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return MA_INVALID_FILE;
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}
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// Initialize the player
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pModplay->xmpContext = xmp_create_context();
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if (!pModplay->xmpContext) {
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delete[] tune;
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return MA_OUT_OF_MEMORY;
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}
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// Load the module file
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xmpError = xmp_load_module_from_memory(pModplay->xmpContext, tune, (long)file_size);
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if (xmpError != 0) {
|
|
|
|
xmp_free_context(pModplay->xmpContext);
|
|
|
|
pModplay->xmpContext = nullptr;
|
|
|
|
delete[] tune;
|
|
|
|
return MA_INVALID_FILE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Free the memory now that we don't need it anymore
|
|
|
|
delete[] tune;
|
|
|
|
|
|
|
|
// Initialize the player
|
|
|
|
xmpError = xmp_start_player(pModplay->xmpContext, MA_DEFAULT_SAMPLE_RATE, 0);
|
|
|
|
if (xmpError != 0) {
|
|
|
|
xmp_release_module(pModplay->xmpContext);
|
|
|
|
xmp_free_context(pModplay->xmpContext);
|
|
|
|
pModplay->xmpContext = nullptr;
|
|
|
|
return MA_INVALID_FILE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Set some player properties. These are not critical. So, we will not check the return values
|
|
|
|
// These makes the sound quality much better when devices have sample rates other than 44100
|
|
|
|
xmpError = xmp_set_player(pModplay->xmpContext, XMP_PLAYER_INTERP, XMP_INTERP_SPLINE);
|
|
|
|
xmpError = xmp_set_player(pModplay->xmpContext, XMP_PLAYER_DSP, XMP_DSP_ALL);
|
|
|
|
|
|
|
|
xmp_get_frame_info(pModplay->xmpContext, &pModplay->xmpFrameInfo); // Get the frame information
|
|
|
|
pModplay->loopCount = pModplay->xmpFrameInfo.loop_count; // Save the loop counter
|
|
|
|
|
|
|
|
return MA_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static ma_result ma_modplay_init_file(const char *pFilePath, const ma_decoding_backend_config *pConfig, const ma_allocation_callbacks *pAllocationCallbacks,
|
|
|
|
ma_modplay *pModplay) {
|
|
|
|
ma_result result;
|
|
|
|
|
|
|
|
(void)pAllocationCallbacks; /* Can't seem to find a way to configure memory allocations in libopus. */
|
|
|
|
|
|
|
|
result = ma_modplay_init_internal(pConfig, pModplay);
|
|
|
|
if (result != MA_SUCCESS) {
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Check the file extension
|
2022-09-09 03:59:19 +00:00
|
|
|
if (!filepath_has_extension(pFilePath, "it") && !filepath_has_extension(pFilePath, "xm") && !filepath_has_extension(pFilePath, "s3m") &&
|
|
|
|
!filepath_has_extension(pFilePath, "mod")) {
|
2022-08-26 15:15:16 +00:00
|
|
|
return MA_INVALID_FILE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Check if the file is a valid module music
|
|
|
|
xmp_test_info xmpTestInfo;
|
|
|
|
int xmpError = xmp_test_module(pFilePath, &xmpTestInfo);
|
|
|
|
if (xmpError != 0) {
|
|
|
|
return MA_INVALID_FILE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Initialize the player
|
|
|
|
pModplay->xmpContext = xmp_create_context();
|
|
|
|
if (!pModplay->xmpContext) {
|
|
|
|
return MA_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Load the module file
|
|
|
|
xmpError = xmp_load_module(pModplay->xmpContext, pFilePath);
|
|
|
|
if (xmpError != 0) {
|
|
|
|
xmp_free_context(pModplay->xmpContext);
|
|
|
|
pModplay->xmpContext = nullptr;
|
|
|
|
return MA_INVALID_FILE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Initialize the player
|
|
|
|
xmpError = xmp_start_player(pModplay->xmpContext, MA_DEFAULT_SAMPLE_RATE, 0);
|
|
|
|
if (xmpError != 0) {
|
|
|
|
xmp_release_module(pModplay->xmpContext);
|
|
|
|
xmp_free_context(pModplay->xmpContext);
|
|
|
|
pModplay->xmpContext = nullptr;
|
|
|
|
return MA_INVALID_FILE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Set some player properties. These are not critical. So, we will not check the return values
|
|
|
|
// These makes the sound quality much better when devices have sample rates other than 44100
|
|
|
|
xmpError = xmp_set_player(pModplay->xmpContext, XMP_PLAYER_INTERP, XMP_INTERP_SPLINE);
|
|
|
|
xmpError = xmp_set_player(pModplay->xmpContext, XMP_PLAYER_DSP, XMP_DSP_ALL);
|
|
|
|
|
|
|
|
xmp_get_frame_info(pModplay->xmpContext, &pModplay->xmpFrameInfo); // Get the frame information
|
|
|
|
pModplay->loopCount = pModplay->xmpFrameInfo.loop_count; // Save the loop counter
|
|
|
|
|
|
|
|
return MA_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ma_modplay_uninit(ma_modplay *pModplay, const ma_allocation_callbacks *pAllocationCallbacks) {
|
|
|
|
if (pModplay == NULL) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
(void)pAllocationCallbacks;
|
|
|
|
|
|
|
|
xmp_end_player(pModplay->xmpContext);
|
|
|
|
xmp_release_module(pModplay->xmpContext);
|
|
|
|
xmp_free_context(pModplay->xmpContext);
|
|
|
|
pModplay->xmpContext = nullptr;
|
|
|
|
|
|
|
|
ma_data_source_uninit(&pModplay->ds);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ma_result ma_decoding_backend_init__modplay(void *pUserData, ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void *pReadSeekTellUserData,
|
|
|
|
const ma_decoding_backend_config *pConfig, const ma_allocation_callbacks *pAllocationCallbacks,
|
|
|
|
ma_data_source **ppBackend) {
|
|
|
|
ma_result result;
|
|
|
|
ma_modplay *pModplay;
|
|
|
|
|
|
|
|
(void)pUserData;
|
|
|
|
|
|
|
|
pModplay = (ma_modplay *)ma_malloc(sizeof(ma_modplay), pAllocationCallbacks);
|
|
|
|
if (pModplay == NULL) {
|
|
|
|
return MA_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
|
|
|
|
result = ma_modplay_init(onRead, onSeek, onTell, pReadSeekTellUserData, pConfig, pAllocationCallbacks, pModplay);
|
|
|
|
if (result != MA_SUCCESS) {
|
|
|
|
ma_free(pModplay, pAllocationCallbacks);
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
*ppBackend = pModplay;
|
|
|
|
|
|
|
|
return MA_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static ma_result ma_decoding_backend_init_file__modplay(void *pUserData, const char *pFilePath, const ma_decoding_backend_config *pConfig,
|
|
|
|
const ma_allocation_callbacks *pAllocationCallbacks, ma_data_source **ppBackend) {
|
|
|
|
ma_result result;
|
|
|
|
ma_modplay *pModplay;
|
|
|
|
|
|
|
|
(void)pUserData;
|
|
|
|
|
|
|
|
pModplay = (ma_modplay *)ma_malloc(sizeof(ma_modplay), pAllocationCallbacks);
|
|
|
|
if (pModplay == NULL) {
|
|
|
|
return MA_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
|
|
|
|
result = ma_modplay_init_file(pFilePath, pConfig, pAllocationCallbacks, pModplay);
|
|
|
|
if (result != MA_SUCCESS) {
|
|
|
|
ma_free(pModplay, pAllocationCallbacks);
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
*ppBackend = pModplay;
|
|
|
|
|
|
|
|
return MA_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ma_decoding_backend_uninit__modplay(void *pUserData, ma_data_source *pBackend, const ma_allocation_callbacks *pAllocationCallbacks) {
|
|
|
|
ma_modplay *pModplay = (ma_modplay *)pBackend;
|
|
|
|
|
|
|
|
(void)pUserData;
|
|
|
|
|
|
|
|
ma_modplay_uninit(pModplay, pAllocationCallbacks);
|
|
|
|
ma_free(pModplay, pAllocationCallbacks);
|
|
|
|
}
|
|
|
|
|
2023-04-20 18:32:40 +00:00
|
|
|
// clang-format off
|
2022-09-04 06:53:02 +00:00
|
|
|
ma_decoding_backend_vtable ma_vtable_modplay = {
|
|
|
|
ma_decoding_backend_init__modplay,
|
|
|
|
ma_decoding_backend_init_file__modplay,
|
|
|
|
NULL, /* onInitFileW() */
|
|
|
|
NULL, /* onInitMemory() */
|
|
|
|
ma_decoding_backend_uninit__modplay
|
|
|
|
};
|
2023-04-20 18:32:40 +00:00
|
|
|
// clang-format on
|