mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-11-05 18:35:07 +01:00
[Core/CDD] added compiler define option to disallow opening multiple .ogg files at the same time for platforms with limited RAM (fixes memory crash on Gamecube when using too many .ogg files)
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EkeEke
twinaphex
parent
0a3e3487fd
commit
93d2db88b7
@ -27,7 +27,7 @@ INCLUDES := core core/m68k core/z80 core/sound core/tremor core/ntsc core/input_
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# options for code generation
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#---------------------------------------------------------------------------------
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CFLAGS = -O3 -fomit-frame-pointer --param large-function-growth=800 --param inline-unit-growth=200 -Wall -Winline -Wno-strict-aliasing $(MACHDEP) $(INCLUDE) -DUSE_LIBTREMOR -DUSE_16BPP_RENDERING -DALT_RENDERER
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CFLAGS = -O3 -fomit-frame-pointer --param large-function-growth=800 --param inline-unit-growth=200 -Wall -Winline -Wno-strict-aliasing $(MACHDEP) $(INCLUDE) -DUSE_LIBTREMOR -DDISABLE_MANY_OGG_OPEN_FILES -DUSE_16BPP_RENDERING -DALT_RENDERER
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CXXFLAGS = $(CFLAGS)
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LDFLAGS = $(MACHDEP) -Wl,-Map,$(notdir $@).map
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181
core/cd_hw/cdd.c
181
core/cd_hw/cdd.c
@ -152,6 +152,26 @@ static const char extensions[SUPPORTED_EXT][16] =
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static blip_t* blip[2];
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#ifdef USE_LIBTREMOR
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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static void ogg_free(int i)
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{
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/* clear OGG file descriptor to prevent file from being closed */
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cdd.toc.tracks[i].vf.datasource = NULL;
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/* close VORBIS file structure */
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ov_clear(&cdd.toc.tracks[i].vf);
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/* indicates that the track is a seekable VORBIS file */
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cdd.toc.tracks[i].vf.seekable = 1;
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/* reset file reading position */
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fseek(cdd.toc.tracks[i].fd, 0, SEEK_SET);
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}
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#endif
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#endif
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void cdd_init(blip_t* left, blip_t* right)
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{
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/* CD-DA is running by default at 44100 Hz */
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@ -206,6 +226,16 @@ int cdd_context_load(uint8 *state)
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int lba;
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int bufferptr = 0;
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#ifdef USE_LIBTREMOR
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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/* close previous track VORBIS file structure to save memory */
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if (cdd.toc.tracks[cdd.index].vf.datasource)
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{
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ogg_free(cdd.index);
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}
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#endif
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#endif
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load_param(&cdd.cycles, sizeof(cdd.cycles));
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load_param(&cdd.latency, sizeof(cdd.latency));
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load_param(&cdd.index, sizeof(cdd.index));
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@ -231,14 +261,19 @@ int cdd_context_load(uint8 *state)
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}
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}
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#ifdef USE_LIBTREMOR
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else if (cdd.toc.tracks[cdd.index].vf.datasource)
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else if (cdd.toc.tracks[cdd.index].vf.seekable)
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{
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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/* VORBIS file need to be opened first */
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ov_open(cdd.toc.tracks[cdd.index].fd,&cdd.toc.tracks[cdd.index].vf,0,0);
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#endif
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/* VORBIS AUDIO track */
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ov_pcm_seek(&cdd.toc.tracks[cdd.index].vf, (lba - cdd.toc.tracks[cdd.index].start) * 588 - cdd.toc.tracks[cdd.index].offset);
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}
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#endif
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#endif
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else if (cdd.toc.tracks[cdd.index].fd)
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{
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/* AUDIO track */
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/* PCM AUDIO track */
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fseek(cdd.toc.tracks[cdd.index].fd, (lba * 2352) - cdd.toc.tracks[cdd.index].offset, SEEK_SET);
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}
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@ -564,7 +599,12 @@ int cdd_load(char *filename, char *header)
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cdd.toc.tracks[cdd.toc.last].offset = 0;
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break;
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}
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}
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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/* close VORBIS file structure to save memory */
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ogg_free(cdd.toc.last);
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#endif
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}
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else
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#endif
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{
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@ -718,6 +758,11 @@ int cdd_load(char *filename, char *header)
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cdd.toc.tracks[cdd.toc.last].end -= 150;
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}
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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/* close VORBIS file structure to save memory */
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ogg_free(cdd.toc.last);
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#endif
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/* update TOC end */
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cdd.toc.end = cdd.toc.tracks[cdd.toc.last].end;
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@ -854,23 +899,21 @@ void cdd_unload(void)
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#ifdef USE_LIBTREMOR
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if (cdd.toc.tracks[i].vf.datasource)
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{
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/* close VORBIS file */
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/* close VORBIS file (if still opened) */
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ov_clear(&cdd.toc.tracks[i].vf);
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}
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else
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#endif
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if (cdd.toc.tracks[i].fd)
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{
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if (cdd.toc.tracks[i].fd)
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{
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/* close file */
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fclose(cdd.toc.tracks[i].fd);
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/* close file */
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fclose(cdd.toc.tracks[i].fd);
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/* detect single file images */
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if (cdd.toc.tracks[i+1].fd == cdd.toc.tracks[i].fd)
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{
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/* exit loop */
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i = cdd.toc.last;
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}
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/* detect single file images */
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if (cdd.toc.tracks[i+1].fd == cdd.toc.tracks[i].fd)
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{
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/* exit loop */
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i = cdd.toc.last;
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}
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}
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}
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@ -1130,6 +1173,15 @@ void cdd_update(void)
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/* check end of current track */
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if (cdd.lba >= cdd.toc.tracks[cdd.index].end)
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{
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#ifdef USE_LIBTREMOR
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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/* close previous track VORBIS file structure to save memory */
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if (cdd.toc.tracks[cdd.index].vf.datasource)
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{
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ogg_free(cdd.index);
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}
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#endif
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#endif
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/* play next track */
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cdd.index++;
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@ -1138,8 +1190,12 @@ void cdd_update(void)
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/* seek to next audio track start */
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#ifdef USE_LIBTREMOR
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if (cdd.toc.tracks[cdd.index].vf.datasource)
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if (cdd.toc.tracks[cdd.index].vf.seekable)
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{
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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/* VORBIS file need to be opened first */
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ov_open(cdd.toc.tracks[cdd.index].fd,&cdd.toc.tracks[cdd.index].vf,0,0);
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#endif
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ov_pcm_seek(&cdd.toc.tracks[cdd.index].vf, -cdd.toc.tracks[cdd.index].offset);
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}
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else
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@ -1160,6 +1216,15 @@ void cdd_update(void)
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/* check current track limits */
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if (cdd.lba >= cdd.toc.tracks[cdd.index].end)
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{
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#ifdef USE_LIBTREMOR
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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/* close previous track VORBIS file structure to save memory */
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if (cdd.toc.tracks[cdd.index].vf.datasource)
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{
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ogg_free(cdd.index);
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}
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#endif
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#endif
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/* next track */
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cdd.index++;
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@ -1174,6 +1239,16 @@ void cdd_update(void)
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}
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else if (cdd.lba < cdd.toc.tracks[cdd.index].start)
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{
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#ifdef USE_LIBTREMOR
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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/* close previous track VORBIS file structure to save memory */
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if (cdd.toc.tracks[cdd.index].vf.datasource)
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{
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ogg_free(cdd.index);
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}
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#endif
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#endif
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/* previous track */
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cdd.index--;
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@ -1209,15 +1284,23 @@ void cdd_update(void)
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fseek(cdd.toc.tracks[0].fd, cdd.lba * cdd.sectorSize, SEEK_SET);
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}
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#ifdef USE_LIBTREMOR
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else if (cdd.toc.tracks[cdd.index].vf.datasource)
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else if (cdd.toc.tracks[cdd.index].vf.seekable)
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{
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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/* check if a new track is being played */
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if (!cdd.toc.tracks[cdd.index].vf.datasource)
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{
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/* VORBIS file need to be opened first */
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ov_open(cdd.toc.tracks[cdd.index].fd,&cdd.toc.tracks[cdd.index].vf,0,0);
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}
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#endif
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/* VORBIS AUDIO track */
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ov_pcm_seek(&cdd.toc.tracks[cdd.index].vf, (cdd.lba - cdd.toc.tracks[cdd.index].start) * 588 - cdd.toc.tracks[cdd.index].offset);
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}
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#endif
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else if (cdd.toc.tracks[cdd.index].fd)
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{
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/* AUDIO track */
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/* PCM AUDIO track */
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fseek(cdd.toc.tracks[cdd.index].fd, (cdd.lba * 2352) - cdd.toc.tracks[cdd.index].offset, SEEK_SET);
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}
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}
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@ -1389,11 +1472,33 @@ void cdd_process(void)
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/* update current LBA */
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cdd.lba = lba;
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/* update current track index */
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/* get track index */
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while ((cdd.toc.tracks[index].end <= lba) && (index < cdd.toc.last)) index++;
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#ifdef USE_LIBTREMOR
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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/* check if track index has changed */
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if (index != cdd.index)
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{
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/* close previous track VORBIS file structure to save memory */
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if (cdd.toc.tracks[cdd.index].vf.datasource)
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{
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ogg_free(cdd.index);
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}
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/* open current track VORBIS file */
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if (cdd.toc.tracks[index].vf.seekable)
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{
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ov_open(cdd.toc.tracks[index].fd,&cdd.toc.tracks[index].vf,0,0);
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}
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}
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#endif
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#endif
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/* update current track index */
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cdd.index = index;
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/* stay within track limits */
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/* stay within track limits when seeking files */
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if (lba < cdd.toc.tracks[index].start)
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{
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lba = cdd.toc.tracks[index].start;
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@ -1406,15 +1511,15 @@ void cdd_process(void)
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fseek(cdd.toc.tracks[0].fd, lba * cdd.sectorSize, SEEK_SET);
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}
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#ifdef USE_LIBTREMOR
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else if (cdd.toc.tracks[index].vf.datasource)
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else if (cdd.toc.tracks[index].vf.seekable)
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{
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/* VORBIS AUDIO track */
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ov_pcm_seek(&cdd.toc.tracks[index].vf, (lba - cdd.toc.tracks[index].start) * 588 - cdd.toc.tracks[cdd.index].offset);
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ov_pcm_seek(&cdd.toc.tracks[index].vf, (lba - cdd.toc.tracks[index].start) * 588 - cdd.toc.tracks[index].offset);
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}
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#endif
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else if (cdd.toc.tracks[index].fd)
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{
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/* AUDIO track */
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/* PCM AUDIO track */
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fseek(cdd.toc.tracks[index].fd, (lba * 2352) - cdd.toc.tracks[index].offset, SEEK_SET);
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}
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@ -1459,8 +1564,30 @@ void cdd_process(void)
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/* update current LBA */
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cdd.lba = lba;
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/* update current track index */
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/* get current track index */
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while ((cdd.toc.tracks[index].end <= lba) && (index < cdd.toc.last)) index++;
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#ifdef USE_LIBTREMOR
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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/* check if track index has changed */
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if (index != cdd.index)
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{
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/* close previous track VORBIS file structure to save memory */
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if (cdd.toc.tracks[cdd.index].vf.datasource)
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{
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ogg_free(cdd.index);
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}
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/* open current track VORBIS file */
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if (cdd.toc.tracks[index].vf.seekable)
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{
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ov_open(cdd.toc.tracks[index].fd,&cdd.toc.tracks[index].vf,0,0);
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}
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}
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#endif
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#endif
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/* update current track index */
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cdd.index = index;
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/* stay within track limits */
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@ -1476,15 +1603,15 @@ void cdd_process(void)
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fseek(cdd.toc.tracks[0].fd, lba * cdd.sectorSize, SEEK_SET);
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}
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#ifdef USE_LIBTREMOR
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else if (cdd.toc.tracks[index].vf.datasource)
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else if (cdd.toc.tracks[index].vf.seekable)
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{
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/* VORBIS AUDIO track */
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ov_pcm_seek(&cdd.toc.tracks[index].vf, (lba - cdd.toc.tracks[index].start) * 588 - cdd.toc.tracks[cdd.index].offset);
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ov_pcm_seek(&cdd.toc.tracks[index].vf, (lba - cdd.toc.tracks[index].start) * 588 - cdd.toc.tracks[index].offset);
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}
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#endif
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else if (cdd.toc.tracks[index].fd)
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{
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/* AUDIO track */
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/* PCM AUDIO track */
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fseek(cdd.toc.tracks[index].fd, (lba * 2352) - cdd.toc.tracks[index].offset, SEEK_SET);
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}
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