mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-11-14 08:30:58 +00:00
ccdba037b5
This was necessary because everything is already allocated with the Xmalloc() functions, but a future commit will make blocks allocated with those functions no longer compatible with the system implementation of free(), which Bfree() wraps. git-svn-id: https://svn.eduke32.com/eduke32@7705 1a8010ca-5511-0410-912e-c29ae57300e0 # Conflicts: # source/build/src/build.cpp # source/build/src/mdsprite.cpp # source/build/src/polymer.cpp # source/build/src/polymost.cpp # source/build/src/texcache.cpp # source/build/src/voxmodel.cpp
344 lines
8.4 KiB
C++
344 lines
8.4 KiB
C++
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#include "compat.h"
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#ifdef HAVE_XMP
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#include "pitch.h"
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#include "multivoc.h"
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#include "_multivc.h"
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#define BUILDING_STATIC
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#include "libxmp-lite/xmp.h"
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typedef struct {
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void * ptr;
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VoiceNode *owner;
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size_t length;
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xmp_context context;
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int time;
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} xmp_data;
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int32_t MV_GetXMPPosition(VoiceNode *voice)
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{
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auto xmpd = (xmp_data *)voice->rawdataptr;
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return xmpd->time;
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}
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void MV_SetXMPPosition(VoiceNode *voice, int32_t position)
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{
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auto xmpd = (xmp_data *)voice->rawdataptr;
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xmp_seek_time(xmpd->context, position);
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}
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static playbackstatus MV_GetNextXMPBlock(VoiceNode *voice)
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{
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auto xmpd = (xmp_data *)voice->rawdataptr;
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struct xmp_frame_info mi;
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if (xmp_play_frame(xmpd->context) != 0)
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{
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if (voice->LoopSize > 0)
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{
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xmp_restart_module(xmpd->context);
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if (xmp_play_frame(xmpd->context) != 0)
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return NoMoreData;
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}
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else
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return NoMoreData;
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}
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xmp_get_frame_info(xmpd->context, &mi);
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xmpd->time = mi.time;
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uint32_t const samples = mi.buffer_size / (2 * (16/8)); // since 2-channel, 16-bit is hardcoded
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// uint32_t const samples = mi.buffer_size / (voice->channels * (voice->bits / 8));
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voice->sound = (char const *)mi.buffer;
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voice->length = samples << 16;
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voice->position = 0;
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voice->BlockLength = 0;
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MV_SetVoiceMixMode(voice);
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return KeepPlaying;
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}
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int32_t MV_PlayXMP3D(char *ptr, uint32_t length, int32_t loophow, int32_t pitchoffset, int32_t angle, int32_t distance, int32_t priority, float volume, intptr_t callbackval)
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{
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int32_t left;
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int32_t right;
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int32_t mid;
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int32_t vol;
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int32_t status;
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if (!MV_Installed)
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{
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MV_SetErrorCode(MV_NotInstalled);
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return MV_Error;
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}
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if (distance < 0)
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{
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distance = -distance;
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angle += MV_NUMPANPOSITIONS / 2;
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}
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vol = MIX_VOLUME(distance);
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// Ensure angle is within 0 - 127
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angle &= MV_MAXPANPOSITION;
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left = MV_PanTable[angle][vol].left;
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right = MV_PanTable[angle][vol].right;
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mid = max( 0, 255 - distance );
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status = MV_PlayXMP(ptr, length, loophow, -1, pitchoffset, mid, left, right, priority, volume, callbackval);
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return status;
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}
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int32_t MV_PlayXMP(char *ptr, uint32_t length, int32_t loopstart, int32_t loopend, int32_t pitchoffset, int32_t vol, int32_t left, int32_t right, int32_t priority, float volume, intptr_t callbackval)
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{
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VoiceNode *voice;
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xmp_data * xmpd = 0;
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int retval;
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UNREFERENCED_PARAMETER(loopend);
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if (!MV_Installed)
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{
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MV_SetErrorCode(MV_NotInstalled);
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return MV_Error;
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}
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xmpd = (xmp_data *)Xcalloc(1, sizeof(xmp_data));
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if (!xmpd)
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{
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MV_SetErrorCode(MV_InvalidFile);
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return MV_Error;
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}
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xmpd->ptr = ptr;
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xmpd->length = length;
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if ((xmpd->context = xmp_create_context()) == NULL)
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{
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Xfree(xmpd);
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MV_SetErrorCode(MV_InvalidFile);
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return MV_Error;
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}
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if ((retval = xmp_load_module_from_memory(xmpd->context, ptr, length)) != 0)
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{
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Xfree(xmpd);
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MV_Printf("MV_PlayXMP: xmp_load_module_from_memory failed (%i)\n", retval);
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MV_SetErrorCode(MV_InvalidFile);
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return MV_Error;
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}
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// Request a voice from the voice pool
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voice = MV_AllocVoice(priority);
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if (voice == NULL)
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{
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xmp_release_module(xmpd->context);
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xmp_free_context(xmpd->context);
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Xfree(xmpd);
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MV_SetErrorCode(MV_NoVoices);
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return MV_Error;
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}
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xmpd->owner = voice;
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voice->length = 0;
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voice->sound = 0;
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voice->wavetype = FMT_XMP;
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voice->rawdataptr = (void*)xmpd;
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voice->GetSound = MV_GetNextXMPBlock;
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voice->LoopCount = 0;
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voice->BlockLength = 0;
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voice->PitchScale = PITCH_GetScale(pitchoffset);
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voice->next = NULL;
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voice->prev = NULL;
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voice->priority = priority;
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voice->callbackval = callbackval;
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voice->bits = 16;
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voice->channels = 2;
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voice->SamplingRate = MV_MixRate;
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voice->Paused = FALSE;
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voice->LoopStart = 0;
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voice->LoopEnd = 0;
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voice->LoopSize = loopstart >= 0 ? 1 : 0;
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xmp_start_player(xmpd->context, MV_MixRate, 0);
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xmp_set_player(xmpd->context, XMP_PLAYER_INTERP, XMP_INTERP_SPLINE);
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// CODEDUP multivoc.c MV_SetVoicePitch
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voice->RateScale = (voice->SamplingRate * voice->PitchScale) / MV_MixRate;
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voice->FixedPointBufferSize = (voice->RateScale * MV_MIXBUFFERSIZE) - voice->RateScale;
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MV_SetVoiceMixMode(voice);
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MV_SetVoiceVolume(voice, vol, left, right, volume);
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MV_PlayVoice(voice);
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return voice->handle;
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}
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void MV_ReleaseXMPVoice(VoiceNode * voice)
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{
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auto xmpd = (xmp_data *) voice->rawdataptr;
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if (voice->wavetype != FMT_XMP)
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return;
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voice->rawdataptr = 0;
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voice->length = 0;
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voice->sound = nullptr;
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xmp_end_player(xmpd->context);
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xmp_release_module(xmpd->context);
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xmp_free_context(xmpd->context);
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Xfree(xmpd);
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}
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#else
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#include "_multivc.h"
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static char const NoXMP[] = "MV_PlayXMP: libxmp-lite support not included in this binary.\n";
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int32_t MV_PlayXMP(char *ptr, uint32_t ptrlength, int32_t loopstart, int32_t loopend, int32_t pitchoffset, int32_t vol,
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int32_t left, int32_t right, int32_t priority, float volume, intptr_t callbackval)
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{
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UNREFERENCED_PARAMETER(ptr);
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UNREFERENCED_PARAMETER(ptrlength);
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UNREFERENCED_PARAMETER(loopstart);
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UNREFERENCED_PARAMETER(loopend);
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UNREFERENCED_PARAMETER(pitchoffset);
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UNREFERENCED_PARAMETER(vol);
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UNREFERENCED_PARAMETER(left);
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UNREFERENCED_PARAMETER(right);
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UNREFERENCED_PARAMETER(priority);
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UNREFERENCED_PARAMETER(volume);
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UNREFERENCED_PARAMETER(callbackval);
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MV_Printf(NoXMP);
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return -1;
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}
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int32_t MV_PlayXMP3D(char *ptr, uint32_t ptrlength, int32_t loophow, int32_t pitchoffset, int32_t angle,
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int32_t distance, int32_t priority, float volume, intptr_t callbackval)
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{
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UNREFERENCED_PARAMETER(ptr);
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UNREFERENCED_PARAMETER(ptrlength);
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UNREFERENCED_PARAMETER(loophow);
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UNREFERENCED_PARAMETER(pitchoffset);
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UNREFERENCED_PARAMETER(angle);
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UNREFERENCED_PARAMETER(distance);
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UNREFERENCED_PARAMETER(priority);
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UNREFERENCED_PARAMETER(volume);
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UNREFERENCED_PARAMETER(callbackval);
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MV_Printf(NoXMP);
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return -1;
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}
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#endif
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// KEEPINSYNC libxmp-lite/src/*_load.c
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static int it_test_memory(char const *ptr, uint32_t ptrlength)
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{
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static char const it_magic[] = "IMPM";
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if (ptrlength < sizeof(it_magic)-1 ||
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memcmp(ptr, it_magic, sizeof(it_magic)-1))
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return -1;
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return 0;
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}
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static int mod_test_memory(char const *ptr, uint32_t ptrlength)
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{
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if (ptrlength < 1084)
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return -1;
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char const * const buf = ptr + 1080;
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if (!strncmp(buf + 2, "CH", 2) && isdigit((int)buf[0]) && isdigit((int)buf[1]))
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{
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int i = (buf[0] - '0') * 10 + buf[1] - '0';
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if (i > 0 && i <= 32)
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return 0;
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}
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if (!strncmp(buf + 1, "CHN", 3) && isdigit((int)*buf))
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{
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if (*buf >= '0' && *buf <= '9')
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return 0;
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}
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if (!memcmp(buf, "M.K.", 4))
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return 0;
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return -1;
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}
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static int s3m_test_memory(char const *ptr, uint32_t ptrlength)
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{
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static char const s3m_magic[] = "SCRM";
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#define s3m_magic_offset 44
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if (ptrlength < s3m_magic_offset + sizeof(s3m_magic)-1 ||
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memcmp(ptr + s3m_magic_offset, s3m_magic, sizeof(s3m_magic)-1) ||
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ptr[29] != 0x10)
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return -1;
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return 0;
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}
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static int xm_test_memory(char const *ptr, uint32_t ptrlength)
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{
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static char const xm_magic[] = "Extended Module: ";
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if (ptrlength < sizeof(xm_magic)-1 ||
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memcmp(ptr, xm_magic, sizeof(xm_magic)-1))
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return -1;
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return 0;
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}
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static int mtm_test_memory(char const *ptr, uint32_t ptrlength)
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{
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static char const mtm_magic[] = "MTM\x10";
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if (ptrlength < sizeof(mtm_magic)-1 ||
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memcmp(ptr, mtm_magic, sizeof(mtm_magic)-1))
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return -1;
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return 0;
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}
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int MV_IdentifyXMP(char const *ptr, uint32_t ptrlength)
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{
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static decltype(mod_test_memory) * const module_test_functions[] =
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{
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it_test_memory,
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mod_test_memory,
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s3m_test_memory,
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xm_test_memory,
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mtm_test_memory,
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};
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for (auto const test_module : module_test_functions)
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{
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if (test_module(ptr, ptrlength) == 0)
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return 1;
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}
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return 0;
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}
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