mirror of
https://github.com/ZDoom/fluidsynth.git
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358 lines
8.1 KiB
C
358 lines
8.1 KiB
C
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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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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public License
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* as published by the Free Software Foundation; either version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307, USA
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*/
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/*
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* Low-level routines for file output.
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*/
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#include <stdio.h>
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#include "fluidsynth_priv.h"
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struct _fluid_file_renderer_t {
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FILE* file;
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fluid_synth_t* synth;
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short* buf;
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int period_size;
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int buf_size;
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};
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void delete_fluid_file_renderer(fluid_file_renderer_t* dev)
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{
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if (dev == NULL) {
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return;
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}
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if (dev->file != NULL) {
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fclose(dev->file);
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}
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if (dev->buf != NULL) {
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FLUID_FREE(dev->buf);
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}
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FLUID_FREE(dev);
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return;
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}
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/*
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* Create a new file renderer object and open the file.
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*/
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fluid_file_renderer_t* new_fluid_file_renderer(fluid_synth_t* synth, char* filename, int period_size)
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{
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fluid_file_renderer_t* dev;
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dev = FLUID_NEW(fluid_file_renderer_t);
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if (dev == NULL) {
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FLUID_LOG(FLUID_ERR, "Out of memory");
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return NULL;
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}
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FLUID_MEMSET(dev, 0, sizeof(fluid_file_renderer_t));
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dev->synth = synth;
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dev->period_size = period_size;
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dev->buf_size = 2 * dev->period_size * sizeof(short);
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dev->buf = FLUID_ARRAY(short, 2 * dev->period_size);
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if (dev->buf == NULL) {
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FLUID_LOG(FLUID_ERR, "Out of memory");
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goto error_recovery;
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}
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if (filename == NULL) {
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FLUID_LOG(FLUID_ERR, "No file name specified");
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goto error_recovery;
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}
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dev->file = fopen(filename, "wb");
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if (dev->file == NULL) {
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FLUID_LOG(FLUID_ERR, "Failed to open the file '%s'", filename);
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goto error_recovery;
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}
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return dev;
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error_recovery:
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delete_fluid_file_renderer(dev);
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return NULL;
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}
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/*
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* Write period_size samples to file.
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*/
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int fluid_file_renderer_process_block(fluid_file_renderer_t* dev)
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{
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int n, offset;
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fluid_synth_write_s16(dev->synth, dev->period_size, dev->buf, 0, 2, dev->buf, 1, 2);
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for (offset = 0; offset < dev->buf_size; offset += n) {
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n = fwrite((char*) dev->buf + offset, 1, dev->buf_size - offset, dev->file);
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if (n < 0) {
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FLUID_LOG(FLUID_ERR, "Audio output file write error: %s",
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strerror (errno));
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return FLUID_FAILED;
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}
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}
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return FLUID_OK;
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}
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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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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public License
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* as published by the Free Software Foundation; either version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307, USA
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*/
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/*
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* Low-level routines for file output.
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*/
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#include <stdio.h>
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#include "fluidsynth_priv.h"
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struct _fluid_file_renderer_t {
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FILE* file;
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fluid_synth_t* synth;
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short* buf;
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int period_size;
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int buf_size;
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};
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void delete_fluid_file_renderer(fluid_file_renderer_t* dev)
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{
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if (dev == NULL) {
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return;
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}
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if (dev->file != NULL) {
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fclose(dev->file);
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}
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if (dev->buf != NULL) {
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FLUID_FREE(dev->buf);
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}
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FLUID_FREE(dev);
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return;
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}
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/*
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* Create a new file renderer object and open the file.
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*/
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fluid_file_renderer_t* new_fluid_file_renderer(fluid_synth_t* synth, char* filename, int period_size)
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{
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fluid_file_renderer_t* dev;
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dev = FLUID_NEW(fluid_file_renderer_t);
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if (dev == NULL) {
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FLUID_LOG(FLUID_ERR, "Out of memory");
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return NULL;
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}
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FLUID_MEMSET(dev, 0, sizeof(fluid_file_renderer_t));
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dev->synth = synth;
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dev->period_size = period_size;
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dev->buf_size = 2 * dev->period_size * sizeof(short);
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dev->buf = FLUID_ARRAY(short, 2 * dev->period_size);
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if (dev->buf == NULL) {
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FLUID_LOG(FLUID_ERR, "Out of memory");
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goto error_recovery;
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}
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if (filename == NULL) {
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FLUID_LOG(FLUID_ERR, "No file name specified");
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goto error_recovery;
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}
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dev->file = fopen(filename, "wb");
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if (dev->file == NULL) {
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FLUID_LOG(FLUID_ERR, "Failed to open the file '%s'", filename);
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goto error_recovery;
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}
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return dev;
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error_recovery:
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delete_fluid_file_renderer(dev);
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return NULL;
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}
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/*
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* Write period_size samples to file.
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*/
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int fluid_file_renderer_process_block(fluid_file_renderer_t* dev)
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{
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int n, offset;
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fluid_synth_write_s16(dev->synth, dev->period_size, dev->buf, 0, 2, dev->buf, 1, 2);
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for (offset = 0; offset < dev->buf_size; offset += n) {
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n = fwrite((char*) dev->buf + offset, 1, dev->buf_size - offset, dev->file);
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if (n < 0) {
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FLUID_LOG(FLUID_ERR, "Audio output file write error: %s",
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strerror (errno));
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return FLUID_FAILED;
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}
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}
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return FLUID_OK;
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}
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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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* This library is free software; you can redistribute it and/or
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|
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* modify it under the terms of the GNU Library General Public License
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* as published by the Free Software Foundation; either version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307, USA
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*/
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/*
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* Low-level routines for file output.
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*/
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#include <stdio.h>
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#include "fluidsynth_priv.h"
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struct _fluid_file_renderer_t {
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FILE* file;
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fluid_synth_t* synth;
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short* buf;
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int period_size;
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int buf_size;
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};
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void delete_fluid_file_renderer(fluid_file_renderer_t* dev)
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{
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if (dev == NULL) {
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return;
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}
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if (dev->file != NULL) {
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fclose(dev->file);
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}
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if (dev->buf != NULL) {
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FLUID_FREE(dev->buf);
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}
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FLUID_FREE(dev);
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return;
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}
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/*
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* Create a new file renderer object and open the file.
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*/
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fluid_file_renderer_t* new_fluid_file_renderer(fluid_synth_t* synth, char* filename, int period_size)
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{
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fluid_file_renderer_t* dev;
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dev = FLUID_NEW(fluid_file_renderer_t);
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if (dev == NULL) {
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FLUID_LOG(FLUID_ERR, "Out of memory");
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return NULL;
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}
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FLUID_MEMSET(dev, 0, sizeof(fluid_file_renderer_t));
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dev->synth = synth;
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dev->period_size = period_size;
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dev->buf_size = 2 * dev->period_size * sizeof(short);
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dev->buf = FLUID_ARRAY(short, 2 * dev->period_size);
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if (dev->buf == NULL) {
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FLUID_LOG(FLUID_ERR, "Out of memory");
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goto error_recovery;
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}
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if (filename == NULL) {
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FLUID_LOG(FLUID_ERR, "No file name specified");
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goto error_recovery;
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}
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dev->file = fopen(filename, "wb");
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if (dev->file == NULL) {
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FLUID_LOG(FLUID_ERR, "Failed to open the file '%s'", filename);
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goto error_recovery;
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}
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return dev;
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error_recovery:
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delete_fluid_file_renderer(dev);
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return NULL;
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}
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/*
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* Write period_size samples to file.
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*/
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int fluid_file_renderer_process_block(fluid_file_renderer_t* dev)
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{
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int n, offset;
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fluid_synth_write_s16(dev->synth, dev->period_size, dev->buf, 0, 2, dev->buf, 1, 2);
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for (offset = 0; offset < dev->buf_size; offset += n) {
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n = fwrite((char*) dev->buf + offset, 1, dev->buf_size - offset, dev->file);
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if (n < 0) {
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FLUID_LOG(FLUID_ERR, "Audio output file write error: %s",
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strerror (errno));
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return FLUID_FAILED;
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}
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}
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return FLUID_OK;
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}
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