mirror of
https://github.com/ZDoom/fluidsynth.git
synced 2024-12-01 00:21:14 +00:00
Move sample caching code to own file fluid_samplecache.c/h
This commit is contained in:
Marcus Weseloh
parent
76102f2009
commit
4ec1cfe73e
4 changed files with 317 additions and 264 deletions
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@ -131,6 +131,8 @@ set ( libfluidsynth_SOURCES
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sfloader/fluid_sfont.c
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sfloader/fluid_sffile.c
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sfloader/fluid_sffile.h
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sfloader/fluid_samplecache.c
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sfloader/fluid_samplecache.h
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rvoice/fluid_adsr_env.c
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rvoice/fluid_adsr_env.h
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rvoice/fluid_chorus.c
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@ -26,6 +26,7 @@
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#include "fluid_sfont.h"
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#include "fluid_sys.h"
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#include "fluid_synth.h"
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#include "fluid_samplecache.h"
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/* EMU8k/10k hardware applies this factor to initial attenuation generator values set at preset and
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* instrument level in a soundfont. We apply this factor when loading the generator values to stay
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@ -204,270 +205,6 @@ int fluid_defpreset_preset_noteon(fluid_preset_t* preset, fluid_synth_t* synth,
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}
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/***************************************************************
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*
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* CACHED SAMPLEDATA LOADER
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*/
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typedef struct _fluid_cached_sampledata_t {
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struct _fluid_cached_sampledata_t *next;
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char* filename;
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time_t modification_time;
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int num_references;
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int mlock;
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short* sampledata;
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unsigned int samplesize;
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char* sample24data;
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unsigned int sample24size;
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} fluid_cached_sampledata_t;
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static fluid_cached_sampledata_t* all_cached_sampledata = NULL;
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static fluid_mutex_t cached_sampledata_mutex = FLUID_MUTEX_INIT;
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static int fluid_get_file_modification_time(char *filename, time_t *modification_time)
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{
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#if defined(WIN32) || defined(__OS2__)
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*modification_time = 0;
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return FLUID_OK;
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#else
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struct stat buf;
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if (stat(filename, &buf) == -1) {
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return FLUID_FAILED;
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}
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*modification_time = buf.st_mtime;
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return FLUID_OK;
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#endif
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}
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static int fluid_cached_sampledata_load(char *filename,
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unsigned int samplepos,
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unsigned int samplesize,
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short **sampledata,
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unsigned int sample24pos,
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unsigned int sample24size,
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char **sample24data,
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int try_mlock,
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const fluid_file_callbacks_t* fcbs)
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{
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fluid_file fd = NULL;
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short *loaded_sampledata = NULL;
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char *loaded_sample24data = NULL;
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fluid_cached_sampledata_t* cached_sampledata = NULL;
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time_t modification_time;
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fluid_mutex_lock(cached_sampledata_mutex);
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if (fluid_get_file_modification_time(filename, &modification_time) == FLUID_FAILED) {
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FLUID_LOG(FLUID_WARN, "Unable to read modificaton time of soundfont file.");
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modification_time = 0;
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}
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for (cached_sampledata = all_cached_sampledata; cached_sampledata; cached_sampledata = cached_sampledata->next) {
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if (FLUID_STRCMP(filename, cached_sampledata->filename))
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continue;
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if (cached_sampledata->modification_time != modification_time)
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continue;
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if (cached_sampledata->samplesize != samplesize || cached_sampledata->sample24size != sample24size) {
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FLUID_LOG(FLUID_ERR, "Cached size of soundfont doesn't match actual size of soundfont (cached: %u. actual: %u)",
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cached_sampledata->samplesize, samplesize);
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continue;
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}
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if (try_mlock && !cached_sampledata->mlock) {
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if (fluid_mlock(cached_sampledata->sampledata, samplesize) != 0)
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FLUID_LOG(FLUID_WARN, "Failed to pin the sample data to RAM; swapping is possible.");
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else
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cached_sampledata->mlock = try_mlock;
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if (cached_sampledata->sample24data != NULL)
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if(fluid_mlock(cached_sampledata->sample24data, sample24size) != 0)
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FLUID_LOG(FLUID_WARN, "Failed to pin the sample24 data to RAM; swapping is possible.");
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}
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cached_sampledata->num_references++;
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loaded_sampledata = cached_sampledata->sampledata;
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loaded_sample24data = cached_sampledata->sample24data;
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goto success_exit;
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}
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fd = fcbs->fopen(filename);
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if (fd == NULL) {
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FLUID_LOG(FLUID_ERR, "Can't open soundfont file");
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goto error_exit;
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}
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if (fcbs->fseek(fd, samplepos, SEEK_SET) == FLUID_FAILED) {
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perror("error");
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FLUID_LOG(FLUID_ERR, "Failed to seek position in data file");
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goto error_exit;
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}
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loaded_sampledata = (short*) FLUID_MALLOC(samplesize);
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if (loaded_sampledata == NULL) {
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FLUID_LOG(FLUID_ERR, "Out of memory");
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goto error_exit;
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}
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if (fcbs->fread(loaded_sampledata, samplesize, fd) == FLUID_FAILED) {
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FLUID_LOG(FLUID_ERR, "Failed to read sample data");
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goto error_exit;
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}
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if(sample24pos > 0)
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{
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if (fcbs->fseek(fd, sample24pos, SEEK_SET) == FLUID_FAILED) {
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perror("error");
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FLUID_LOG(FLUID_ERR, "Failed to seek position in data file");
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goto error_exit;
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}
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loaded_sample24data = (char*) FLUID_MALLOC(sample24size);
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if (loaded_sample24data == NULL) {
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FLUID_LOG(FLUID_ERR, "Out of memory when allocating 24bit sample, ignoring");
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}
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else if (fcbs->fread(loaded_sample24data, sample24size, fd) == FLUID_FAILED) {
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FLUID_LOG(FLUID_ERR, "Failed to read sample24 data");
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FLUID_FREE(loaded_sample24data);
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loaded_sample24data = NULL;
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}
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}
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fcbs->fclose(fd);
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fd = NULL;
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cached_sampledata = (fluid_cached_sampledata_t*) FLUID_MALLOC(sizeof(fluid_cached_sampledata_t));
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if (cached_sampledata == NULL) {
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FLUID_LOG(FLUID_ERR, "Out of memory.");
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goto error_exit;
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}
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/* Lock the memory to disable paging. It's okay if this fails. It
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probably means that the user doesn't have the required permission. */
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cached_sampledata->mlock = 0;
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if (try_mlock) {
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if (fluid_mlock(loaded_sampledata, samplesize) != 0)
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FLUID_LOG(FLUID_WARN, "Failed to pin the sample data to RAM; swapping is possible.");
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else
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cached_sampledata->mlock = try_mlock;
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}
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/* If this machine is big endian, the sample have to byte swapped */
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if (FLUID_IS_BIG_ENDIAN) {
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unsigned char* cbuf;
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unsigned char hi, lo;
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unsigned int i, j;
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short s;
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cbuf = (unsigned char*)loaded_sampledata;
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for (i = 0, j = 0; j < samplesize; i++) {
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lo = cbuf[j++];
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hi = cbuf[j++];
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s = (hi << 8) | lo;
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loaded_sampledata[i] = s;
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}
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}
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cached_sampledata->filename = FLUID_STRDUP(filename);
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if (cached_sampledata->filename == NULL) {
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FLUID_LOG(FLUID_ERR, "Out of memory.");
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goto error_exit;
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}
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cached_sampledata->modification_time = modification_time;
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cached_sampledata->num_references = 1;
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cached_sampledata->sampledata = loaded_sampledata;
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cached_sampledata->samplesize = samplesize;
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cached_sampledata->sample24data = loaded_sample24data;
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cached_sampledata->sample24size = sample24size;
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cached_sampledata->next = all_cached_sampledata;
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all_cached_sampledata = cached_sampledata;
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success_exit:
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fluid_mutex_unlock(cached_sampledata_mutex);
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*sampledata = loaded_sampledata;
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*sample24data = loaded_sample24data;
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return FLUID_OK;
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error_exit:
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if (fd != NULL) {
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fcbs->fclose(fd);
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}
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FLUID_FREE(loaded_sampledata);
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FLUID_FREE(loaded_sample24data);
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if (cached_sampledata != NULL) {
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FLUID_FREE(cached_sampledata->filename);
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}
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FLUID_FREE(cached_sampledata);
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fluid_mutex_unlock(cached_sampledata_mutex);
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*sampledata = NULL;
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*sample24data = NULL;
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return FLUID_FAILED;
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}
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static int fluid_cached_sampledata_unload(const short *sampledata)
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{
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fluid_cached_sampledata_t* prev = NULL;
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fluid_cached_sampledata_t* cached_sampledata;
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fluid_mutex_lock(cached_sampledata_mutex);
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cached_sampledata = all_cached_sampledata;
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while (cached_sampledata != NULL) {
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if (sampledata == cached_sampledata->sampledata) {
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cached_sampledata->num_references--;
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if (cached_sampledata->num_references == 0) {
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if (cached_sampledata->mlock)
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{
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fluid_munlock(cached_sampledata->sampledata, cached_sampledata->samplesize);
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fluid_munlock(cached_sampledata->sample24data, cached_sampledata->sample24size);
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}
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FLUID_FREE(cached_sampledata->sampledata);
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FLUID_FREE(cached_sampledata->sample24data);
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FLUID_FREE(cached_sampledata->filename);
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if (prev != NULL) {
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prev->next = cached_sampledata->next;
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} else {
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all_cached_sampledata = cached_sampledata->next;
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}
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FLUID_FREE(cached_sampledata);
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}
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goto success_exit;
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}
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prev = cached_sampledata;
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cached_sampledata = cached_sampledata->next;
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}
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FLUID_LOG(FLUID_ERR, "Trying to free sampledata not found in cache.");
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goto error_exit;
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success_exit:
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fluid_mutex_unlock(cached_sampledata_mutex);
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return FLUID_OK;
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error_exit:
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fluid_mutex_unlock(cached_sampledata_mutex);
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return FLUID_FAILED;
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}
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/***************************************************************
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*
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* SFONT
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280
src/sfloader/fluid_samplecache.c
Normal file
280
src/sfloader/fluid_samplecache.c
Normal file
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@ -0,0 +1,280 @@
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/* FluidSynth - A Software Synthesizer
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*
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* Copyright (C) 2003 Peter Hanappe and others.
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*
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* SoundFont file loading code borrowed from Smurf SoundFont Editor
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* Copyright (C) 1999-2001 Josh Green
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*/
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#include "fluid_samplecache.h"
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#include "fluidsynth.h"
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#include "fluid_sys.h"
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/***************************************************************
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*
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* CACHED SAMPLEDATA LOADER
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*/
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typedef struct _fluid_cached_sampledata_t {
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struct _fluid_cached_sampledata_t *next;
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char* filename;
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time_t modification_time;
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int num_references;
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int mlock;
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short* sampledata;
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unsigned int samplesize;
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char* sample24data;
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unsigned int sample24size;
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} fluid_cached_sampledata_t;
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static fluid_cached_sampledata_t* all_cached_sampledata = NULL;
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static fluid_mutex_t cached_sampledata_mutex = FLUID_MUTEX_INIT;
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static int fluid_get_file_modification_time(char *filename, time_t *modification_time)
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{
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#if defined(WIN32) || defined(__OS2__)
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*modification_time = 0;
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return FLUID_OK;
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#else
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struct stat buf;
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if (stat(filename, &buf) == -1) {
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return FLUID_FAILED;
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}
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*modification_time = buf.st_mtime;
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return FLUID_OK;
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#endif
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}
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int fluid_cached_sampledata_load(char *filename,
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unsigned int samplepos, unsigned int samplesize, short **sampledata,
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unsigned int sample24pos, unsigned int sample24size, char **sample24data,
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int try_mlock, const fluid_file_callbacks_t* fcbs)
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{
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fluid_file fd = NULL;
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short *loaded_sampledata = NULL;
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char *loaded_sample24data = NULL;
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fluid_cached_sampledata_t* cached_sampledata = NULL;
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time_t modification_time;
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fluid_mutex_lock(cached_sampledata_mutex);
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if (fluid_get_file_modification_time(filename, &modification_time) == FLUID_FAILED) {
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FLUID_LOG(FLUID_WARN, "Unable to read modificaton time of soundfont file.");
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modification_time = 0;
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}
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for (cached_sampledata = all_cached_sampledata; cached_sampledata; cached_sampledata = cached_sampledata->next) {
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if (FLUID_STRCMP(filename, cached_sampledata->filename))
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continue;
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if (cached_sampledata->modification_time != modification_time)
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continue;
|
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if (cached_sampledata->samplesize != samplesize || cached_sampledata->sample24size != sample24size) {
|
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FLUID_LOG(FLUID_ERR, "Cached size of soundfont doesn't match actual size of soundfont (cached: %u. actual: %u)",
|
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cached_sampledata->samplesize, samplesize);
|
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continue;
|
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}
|
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|
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if (try_mlock && !cached_sampledata->mlock) {
|
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if (fluid_mlock(cached_sampledata->sampledata, samplesize) != 0)
|
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FLUID_LOG(FLUID_WARN, "Failed to pin the sample data to RAM; swapping is possible.");
|
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else
|
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cached_sampledata->mlock = try_mlock;
|
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|
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if (cached_sampledata->sample24data != NULL)
|
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if(fluid_mlock(cached_sampledata->sample24data, sample24size) != 0)
|
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FLUID_LOG(FLUID_WARN, "Failed to pin the sample24 data to RAM; swapping is possible.");
|
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}
|
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|
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cached_sampledata->num_references++;
|
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loaded_sampledata = cached_sampledata->sampledata;
|
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loaded_sample24data = cached_sampledata->sample24data;
|
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goto success_exit;
|
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}
|
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|
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fd = fcbs->fopen(filename);
|
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if (fd == NULL) {
|
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FLUID_LOG(FLUID_ERR, "Can't open soundfont file");
|
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goto error_exit;
|
||||
}
|
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if (fcbs->fseek(fd, samplepos, SEEK_SET) == FLUID_FAILED) {
|
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perror("error");
|
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FLUID_LOG(FLUID_ERR, "Failed to seek position in data file");
|
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goto error_exit;
|
||||
}
|
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|
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loaded_sampledata = (short*) FLUID_MALLOC(samplesize);
|
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if (loaded_sampledata == NULL) {
|
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FLUID_LOG(FLUID_ERR, "Out of memory");
|
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goto error_exit;
|
||||
}
|
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if (fcbs->fread(loaded_sampledata, samplesize, fd) == FLUID_FAILED) {
|
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FLUID_LOG(FLUID_ERR, "Failed to read sample data");
|
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goto error_exit;
|
||||
}
|
||||
|
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if(sample24pos > 0)
|
||||
{
|
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if (fcbs->fseek(fd, sample24pos, SEEK_SET) == FLUID_FAILED) {
|
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perror("error");
|
||||
FLUID_LOG(FLUID_ERR, "Failed to seek position in data file");
|
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goto error_exit;
|
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}
|
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|
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loaded_sample24data = (char*) FLUID_MALLOC(sample24size);
|
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if (loaded_sample24data == NULL) {
|
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FLUID_LOG(FLUID_ERR, "Out of memory when allocating 24bit sample, ignoring");
|
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}
|
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else if (fcbs->fread(loaded_sample24data, sample24size, fd) == FLUID_FAILED) {
|
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FLUID_LOG(FLUID_ERR, "Failed to read sample24 data");
|
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FLUID_FREE(loaded_sample24data);
|
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loaded_sample24data = NULL;
|
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}
|
||||
}
|
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|
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fcbs->fclose(fd);
|
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fd = NULL;
|
||||
|
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|
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cached_sampledata = (fluid_cached_sampledata_t*) FLUID_MALLOC(sizeof(fluid_cached_sampledata_t));
|
||||
if (cached_sampledata == NULL) {
|
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FLUID_LOG(FLUID_ERR, "Out of memory.");
|
||||
goto error_exit;
|
||||
}
|
||||
|
||||
/* Lock the memory to disable paging. It's okay if this fails. It
|
||||
probably means that the user doesn't have the required permission. */
|
||||
cached_sampledata->mlock = 0;
|
||||
if (try_mlock) {
|
||||
if (fluid_mlock(loaded_sampledata, samplesize) != 0)
|
||||
FLUID_LOG(FLUID_WARN, "Failed to pin the sample data to RAM; swapping is possible.");
|
||||
else
|
||||
cached_sampledata->mlock = try_mlock;
|
||||
}
|
||||
|
||||
/* If this machine is big endian, the sample have to byte swapped */
|
||||
if (FLUID_IS_BIG_ENDIAN) {
|
||||
unsigned char* cbuf;
|
||||
unsigned char hi, lo;
|
||||
unsigned int i, j;
|
||||
short s;
|
||||
cbuf = (unsigned char*)loaded_sampledata;
|
||||
for (i = 0, j = 0; j < samplesize; i++) {
|
||||
lo = cbuf[j++];
|
||||
hi = cbuf[j++];
|
||||
s = (hi << 8) | lo;
|
||||
loaded_sampledata[i] = s;
|
||||
}
|
||||
}
|
||||
|
||||
cached_sampledata->filename = FLUID_STRDUP(filename);
|
||||
if (cached_sampledata->filename == NULL) {
|
||||
FLUID_LOG(FLUID_ERR, "Out of memory.");
|
||||
goto error_exit;
|
||||
}
|
||||
|
||||
cached_sampledata->modification_time = modification_time;
|
||||
cached_sampledata->num_references = 1;
|
||||
cached_sampledata->sampledata = loaded_sampledata;
|
||||
cached_sampledata->samplesize = samplesize;
|
||||
cached_sampledata->sample24data = loaded_sample24data;
|
||||
cached_sampledata->sample24size = sample24size;
|
||||
|
||||
cached_sampledata->next = all_cached_sampledata;
|
||||
all_cached_sampledata = cached_sampledata;
|
||||
|
||||
|
||||
success_exit:
|
||||
fluid_mutex_unlock(cached_sampledata_mutex);
|
||||
*sampledata = loaded_sampledata;
|
||||
*sample24data = loaded_sample24data;
|
||||
return FLUID_OK;
|
||||
|
||||
error_exit:
|
||||
if (fd != NULL) {
|
||||
fcbs->fclose(fd);
|
||||
}
|
||||
|
||||
FLUID_FREE(loaded_sampledata);
|
||||
FLUID_FREE(loaded_sample24data);
|
||||
|
||||
if (cached_sampledata != NULL) {
|
||||
FLUID_FREE(cached_sampledata->filename);
|
||||
}
|
||||
FLUID_FREE(cached_sampledata);
|
||||
|
||||
fluid_mutex_unlock(cached_sampledata_mutex);
|
||||
*sampledata = NULL;
|
||||
*sample24data = NULL;
|
||||
return FLUID_FAILED;
|
||||
}
|
||||
|
||||
int fluid_cached_sampledata_unload(const short *sampledata)
|
||||
{
|
||||
fluid_cached_sampledata_t* prev = NULL;
|
||||
fluid_cached_sampledata_t* cached_sampledata;
|
||||
|
||||
fluid_mutex_lock(cached_sampledata_mutex);
|
||||
cached_sampledata = all_cached_sampledata;
|
||||
|
||||
while (cached_sampledata != NULL) {
|
||||
if (sampledata == cached_sampledata->sampledata) {
|
||||
|
||||
cached_sampledata->num_references--;
|
||||
|
||||
if (cached_sampledata->num_references == 0) {
|
||||
if (cached_sampledata->mlock)
|
||||
{
|
||||
fluid_munlock(cached_sampledata->sampledata, cached_sampledata->samplesize);
|
||||
fluid_munlock(cached_sampledata->sample24data, cached_sampledata->sample24size);
|
||||
}
|
||||
FLUID_FREE(cached_sampledata->sampledata);
|
||||
FLUID_FREE(cached_sampledata->sample24data);
|
||||
FLUID_FREE(cached_sampledata->filename);
|
||||
|
||||
if (prev != NULL) {
|
||||
prev->next = cached_sampledata->next;
|
||||
} else {
|
||||
all_cached_sampledata = cached_sampledata->next;
|
||||
}
|
||||
|
||||
FLUID_FREE(cached_sampledata);
|
||||
}
|
||||
|
||||
goto success_exit;
|
||||
}
|
||||
|
||||
prev = cached_sampledata;
|
||||
cached_sampledata = cached_sampledata->next;
|
||||
}
|
||||
|
||||
FLUID_LOG(FLUID_ERR, "Trying to free sampledata not found in cache.");
|
||||
goto error_exit;
|
||||
|
||||
success_exit:
|
||||
fluid_mutex_unlock(cached_sampledata_mutex);
|
||||
return FLUID_OK;
|
||||
|
||||
error_exit:
|
||||
fluid_mutex_unlock(cached_sampledata_mutex);
|
||||
return FLUID_FAILED;
|
||||
}
|
||||
34
src/sfloader/fluid_samplecache.h
Normal file
34
src/sfloader/fluid_samplecache.h
Normal file
|
|
@ -0,0 +1,34 @@
|
|||
/* FluidSynth - A Software Synthesizer
|
||||
*
|
||||
* Copyright (C) 2003 Peter Hanappe and others.
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public License
|
||||
* as published by the Free Software Foundation; either version 2.1 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free
|
||||
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA
|
||||
*/
|
||||
|
||||
|
||||
#ifndef _FLUID_SAMPLECACHE_H
|
||||
#define _FLUID_SAMPLECACHE_H
|
||||
|
||||
#include "fluid_sfont.h"
|
||||
|
||||
int fluid_cached_sampledata_load(char *filename,
|
||||
unsigned int samplepos, unsigned int samplesize, short **sampledata,
|
||||
unsigned int sample24pos, unsigned int sample24size, char **sample24data,
|
||||
int try_mlock, const fluid_file_callbacks_t* fcbs);
|
||||
|
||||
int fluid_cached_sampledata_unload(const short *sampledata);
|
||||
|
||||
#endif /* _FLUID_SAMPLECACHE_H */
|
||||
Loading…
Reference in a new issue