mirror of https://github.com/axmolengine/axmol.git
Remove unused code in cocos/audio/openal
This commit is contained in:
James Chen
parent
e19393fa23
commit
2e5626236b
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@ -1,441 +0,0 @@
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#include "audio/openal/OpenALDecoder.h"
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <AL/alut.h>
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#if CC_TARGET_PLATFORM == CC_PLATFORM_TIZEN
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#include <FBase.h>
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#include <FBaseCol.h>
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#include <FMedia.h>
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using namespace Tizen::Base;
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using namespace Tizen::Base::Collection;
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using namespace Tizen::Media;
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#endif
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#ifndef DISABLE_VORBIS
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#include <vorbis/vorbisfile.h>
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#endif
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#ifdef ENABLE_MPG123
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#include <mpg123.h>
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#endif
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namespace CocosDenshion {
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static int checkALError(const char *funcName)
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{
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int err = alGetError();
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if (err != AL_NO_ERROR)
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{
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switch (err)
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{
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case AL_INVALID_NAME:
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fprintf(stderr, "AL_INVALID_NAME in %s\n", funcName);
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break;
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case AL_INVALID_ENUM:
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fprintf(stderr, "AL_INVALID_ENUM in %s\n", funcName);
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break;
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case AL_INVALID_VALUE:
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fprintf(stderr, "AL_INVALID_VALUE in %s\n", funcName);
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break;
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case AL_INVALID_OPERATION:
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fprintf(stderr, "AL_INVALID_OPERATION in %s\n", funcName);
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break;
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case AL_OUT_OF_MEMORY:
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fprintf(stderr, "AL_OUT_OF_MEMORY in %s\n", funcName);
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break;
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}
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}
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return err;
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}
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class AlutDecoder : public OpenALDecoder
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{
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bool decode(OpenALFile &file, ALuint &result)
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{
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if (!file.mapToMemory())
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return false;
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result = alutCreateBufferFromFileImage(file.mappedFile, file.fileSize);
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if (AL_NONE == result)
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return false;
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return true;
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}
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bool acceptsFormat(Format format) const
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{
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return Wav == format || Raw == format;
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}
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};
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class DataRaii
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{
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public:
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char *data;
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size_t size;
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DataRaii() : data(0), size(0) {}
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~DataRaii() { delete [] data; }
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};
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#ifdef ENABLE_MPG123
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class Mpg123Decoder : public OpenALDecoder
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{
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private:
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mpg123_handle *handle;
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public:
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class MpgOpenRaii
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{
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public:
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mpg123_handle *handle;
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MpgOpenRaii(mpg123_handle *handle) : handle(handle) {}
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~MpgOpenRaii() { mpg123_close(handle); }
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};
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bool getInfo(ALenum &format, ALsizei &freq, ALsizei &size) const
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{
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int channels = 0;
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int encoding = 0;
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long rate = 0;
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if (MPG123_OK != mpg123_getformat(handle, &rate, &channels, &encoding))
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return false;
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size = mpg123_length(handle);
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if (size == MPG123_ERR)
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return false;
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freq = rate;
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if (encoding == MPG123_ENC_UNSIGNED_8) {
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if (channels == 1)
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format = AL_FORMAT_MONO8;
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else
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format = AL_FORMAT_STEREO8;
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} else {
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if (channels == 1)
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format = AL_FORMAT_MONO16;
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else
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format = AL_FORMAT_STEREO16;
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}
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return true;
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}
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bool decode(OpenALFile &file, ALuint &result)
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{
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if (MPG123_OK != mpg123_open_fd(handle, fileno(file.file)))
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return false;
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MpgOpenRaii raii(handle);
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ALenum format = AL_NONE;
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ALsizei freq = 0;
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ALsizei size = 0;
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if (!getInfo(format, freq, size))
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return false;
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DataRaii pcm;
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pcm.size = size;
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if (format == AL_FORMAT_MONO16 || format == AL_FORMAT_STEREO16)
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pcm.size *= 2;
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pcm.data = new char[pcm.size];
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size_t done = 0;
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if (MPG123_DONE != mpg123_read(handle, (unsigned char*)pcm.data, pcm.size, &done))
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return false;
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CCLOG("MP3 BUFFER SIZE: %ld, FORMAT %i.", (long)done, (int)format);
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return initALBuffer(result, format, pcm.data, done, freq);
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}
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bool acceptsFormat(Format format) const
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{
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return Mp3 == format;
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}
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Mpg123Decoder()
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: handle(mpg123_new(NULL, NULL))
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{
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if (MPG123_OK != mpg123_format(handle, 44100, MPG123_MONO | MPG123_STEREO,
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MPG123_ENC_UNSIGNED_8 | MPG123_ENC_SIGNED_16))
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CCLOG("ERROR (CocosDenshion): cannot set specified mpg123 format.");
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}
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~Mpg123Decoder()
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{
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mpg123_delete(handle);
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}
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};
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#endif
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#ifndef DISABLE_VORBIS
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class VorbisDecoder : public OpenALDecoder
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{
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class OggRaii
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{
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public:
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OggVorbis_File file;
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~OggRaii() { ov_clear(&file); }
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};
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public:
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bool decode(OpenALFile &file, ALuint &result)
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{
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OggRaii ogg;
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int status = ov_test(file.file, &ogg.file, 0, 0);
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if (status != 0) {
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ov_clear(&ogg.file);
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return false;
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}
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status = ov_test_open(&ogg.file);
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if (status != 0) {
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fprintf(stderr, "Could not open OGG file '%s'\n", file.debugName.c_str());
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return false;
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}
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// As vorbis documentation says, we should not fclose() file
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// after successful opening by vorbis functions.
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file.file = NULL;
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vorbis_info *info = ov_info(&ogg.file, -1);
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ALenum format = (info->channels == 1) ? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16;
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DataRaii pcm;
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pcm.size = ov_pcm_total(&ogg.file, -1) * info->channels * 2;
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pcm.data = new char[pcm.size];
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size_t size = 0;
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int section = 0;
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while (size < pcm.size) {
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status = ov_read(&ogg.file, pcm.data + size, pcm.size - size, 0, 2, 1, §ion);
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if (status > 0) {
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size += status;
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} else if (status < 0) {
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fprintf(stderr, "OGG file decoding stopped, file '%s'\n", file.debugName.c_str());
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return false;
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} else {
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break;
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}
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}
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if (size == 0) {
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fprintf(stderr, "Unable to read OGG data from '%s'\n", file.debugName.c_str());
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return false;
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}
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return initALBuffer(result, format, pcm.data, pcm.size, info->rate);
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}
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bool acceptsFormat(Format format) const
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{
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return Vorbis == format;
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}
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};
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#endif
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#if CC_TARGET_PLATFORM == CC_PLATFORM_TIZEN
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class TizenDecoder : public OpenALDecoder
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{
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public:
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static TizenDecoder *create(Format format)
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{
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TizenDecoder *decoder = new TizenDecoder(format);
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if (decoder && !decoder->init()) {
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delete decoder;
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decoder = NULL;
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}
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return decoder;
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}
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bool decode(OpenALFile &file, ALuint &result)
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{
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if (!file.mapToMemory())
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return false;
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ByteBuffer inputBuffer;
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inputBuffer.Construct(/*capacity*/ file.fileSize);
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inputBuffer.SetArray((const byte*)file.mappedFile, 0, file.fileSize);
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inputBuffer.Flip();
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ByteBuffer pcm;
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pcm.Construct(/*capacity*/ 2 * file.fileSize);
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AudioSampleType sampleType = AUDIO_TYPE_NONE;
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AudioChannelType channelType = AUDIO_CHANNEL_TYPE_NONE;
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int sampleRate = 0;
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if (E_SUCCESS != _decoder.Probe(inputBuffer, sampleType, channelType, sampleRate))
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return false;
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while (inputBuffer.GetRemaining()) {
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auto ret = _decoder.Decode(inputBuffer, pcm);
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if (ret == E_OUT_OF_MEMORY) {
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pcm.ExpandCapacity(2 * pcm.GetCapacity());
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} else if (IsFailed(ret)) {
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AppLogTag("CocosDenshion(TizenDecoder)", "failed to decode file '%s', supported format is %s.", file.debugName.c_str(), getCodecName());
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return false;
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}
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}
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return initALBuffer(result, getALFormat(sampleType, channelType),
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pcm.GetPointer(), pcm.GetPosition(), sampleRate);
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}
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bool acceptsFormat(Format format) const
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{
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return _format == format;
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}
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private:
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TizenDecoder(Format format)
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: _format(format)
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{
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}
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bool init()
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{
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HashMap option;
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option.Construct();
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option.Add(*(new Integer(MEDIA_PROPERTY_AUDIO_CHANNEL_TYPE)), *(new Integer(AUDIO_CHANNEL_TYPE_NONE)));
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option.Add(*(new Integer(MEDIA_PROPERTY_AUDIO_SAMPLE_RATE)), *(new Integer(44100)));
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result r = _decoder.Construct(getCodecType());
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if (IsFailed(r))
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return false;
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else
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AppLogTag("CocosDenshion", "Tizen device supports audio format %s.", getCodecName());
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return true;
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}
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ALenum getALFormat(AudioSampleType sampleType, AudioChannelType channelType)
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{
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if (sampleType == AUDIO_TYPE_PCM_U8) {
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if (channelType == AUDIO_CHANNEL_TYPE_MONO)
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return AL_FORMAT_MONO8;
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return AL_FORMAT_STEREO8;
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}
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if (sampleType == AUDIO_TYPE_PCM_S16_LE) {
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if (channelType == AUDIO_CHANNEL_TYPE_MONO)
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return AL_FORMAT_MONO16;
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return AL_FORMAT_STEREO16;
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}
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AppLogTag("CocosDenshion(TizenDecoder)", "unsuppored sampleType=%d.", sampleType, channelType);
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return AL_NONE;
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}
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CodecType getCodecType() const
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{
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switch (_format) {
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case Mp3:
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return CODEC_MP3;
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case Vorbis:
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return CODEC_VORBIS;
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case Flac:
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return CODEC_FLAC;
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case Midi:
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return CODEC_MIDI;
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case Aac:
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return CODEC_AAC;
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default:
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break;
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}
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return CODEC_UNKNOWN;
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}
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const char *getCodecName() const
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{
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switch (_format) {
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case Mp3:
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return "mp3";
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case Vorbis:
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return "vorbis";
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case Flac:
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return "flac";
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case Midi:
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return "midi";
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case Aac:
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return "aac";
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default:
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break;
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}
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return "unknown";
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}
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Format _format;
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AudioDecoder _decoder;
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};
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#endif
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std::vector<OpenALDecoder *> OpenALDecoder::_decoders;
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void OpenALDecoder::installDecoders()
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{
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#if CC_TARGET_PLATFORM == CC_PLATFORM_TIZEN
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addDecoder(TizenDecoder::create(Mp3));
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addDecoder(TizenDecoder::create(Vorbis));
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addDecoder(TizenDecoder::create(Flac));
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addDecoder(TizenDecoder::create(Midi));
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addDecoder(TizenDecoder::create(Aac));
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#else
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#if !defined(DISABLE_VORBIS)
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addDecoder(new VorbisDecoder());
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#endif
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#if defined(ENABLE_MPG123)
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addDecoder(new Mpg123Decoder());
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#endif
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#endif
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addDecoder(new AlutDecoder());
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}
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void OpenALDecoder::addDecoder(OpenALDecoder *decoder)
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{
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if (decoder)
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_decoders.push_back(decoder);
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}
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bool OpenALDecoder::initALBuffer(ALuint &result, ALenum format,
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const ALvoid *data, ALsizei size, ALsizei freq)
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{
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// Load audio data into a buffer.
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alGenBuffers(1, &result);
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if (checkALError("initALBuffer:alGenBuffers") != AL_NO_ERROR)
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{
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fprintf(stderr, "Couldn't generate OpenAL buffer\n");
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return false;
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}
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alBufferData(result, format, data, size, freq);
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checkALError("initALBuffer:alBufferData");
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return true;
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}
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const std::vector<OpenALDecoder *> &OpenALDecoder::getDecoders()
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{
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return _decoders;
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}
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void OpenALFile::clear()
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{
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if (mappedFile) {
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::munmap(mappedFile, fileSize);
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mappedFile = 0;
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fileSize = 0;
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}
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if (file) {
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fclose(file);
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file = 0;
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}
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}
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bool OpenALFile::mapToMemory()
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{
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if (!file)
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return false;
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if (mappedFile != NULL)
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return true;
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const int fd = fileno(file);
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struct stat fileStats;
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if (0 != fstat(fd, &fileStats))
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return false;
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fileSize = fileStats.st_size;
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mappedFile = ::mmap(NULL, fileSize, PROT_READ, MAP_PRIVATE, fd, 0);
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if (mappedFile != MAP_FAILED)
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return true;
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mappedFile = NULL;
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return false;
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}
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} // namespace CocosDenshion
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@ -1,68 +0,0 @@
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#ifndef COCOSDENSHION_OPENALLOADER_H
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#define COCOSDENSHION_OPENALLOADER_H
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#include <vector>
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#include <string>
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#include <stdio.h>
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#ifdef OPENAL_PLAIN_INCLUDES
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#include <al.h>
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#else
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#include <AL/al.h>
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#endif
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#if CC_TARGET_PLATFORM == CC_PLATFORM_TIZEN
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#define DISABLE_VORBIS
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#endif
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namespace CocosDenshion {
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struct OpenALFile
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{
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std::string debugName; ///< For logging.
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FILE *file;
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void *mappedFile; ///< Reserved by decoders.
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size_t fileSize; ///< Reserved by decoders.
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OpenALFile() : file(0), mappedFile(0), fileSize(0) {}
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~OpenALFile() { clear(); }
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/// Unmaps from memory and closes file.
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void clear();
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/// Performs memory map, if was not mapped before.
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bool mapToMemory();
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};
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class OpenALDecoder
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{
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public:
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enum Format {
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Mp3 = 0,
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Vorbis,
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Wav,
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Raw,
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Flac,
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Midi,
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Aac
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};
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virtual ~OpenALDecoder() {}
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/// Returns true if such format is supported and decoding was successful.
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virtual bool decode(OpenALFile &file, ALuint &result) = 0;
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virtual bool acceptsFormat(Format format) const = 0;
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static const std::vector<OpenALDecoder *> &getDecoders();
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static void installDecoders();
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protected:
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static void addDecoder(OpenALDecoder *decoder);
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bool initALBuffer(ALuint &result, ALenum format,
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const ALvoid* data, ALsizei size, ALsizei freq);
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static std::vector<OpenALDecoder *> _decoders;
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};
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} // namespace CocosDenshion
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#endif // COCOSDENSHION_OPENALLOADER_H
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@ -1,594 +0,0 @@
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/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in
|
||||
all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
THE SOFTWARE.
|
||||
****************************************************************************/
|
||||
#include "audio/include/SimpleAudioEngine.h"
|
||||
|
||||
#include <map>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#ifdef OPENAL_PLAIN_INCLUDES
|
||||
#include <al.h>
|
||||
#include <alc.h>
|
||||
#include <alut.h>
|
||||
#else
|
||||
#include <AL/al.h>
|
||||
#include <AL/alc.h>
|
||||
#include <AL/alut.h>
|
||||
#endif
|
||||
#include "audio/openal/OpenALDecoder.h"
|
||||
|
||||
#ifdef ENABLE_MPG123
|
||||
#include <mpg123.h>
|
||||
#endif
|
||||
|
||||
USING_NS_CC;
|
||||
|
||||
using namespace std;
|
||||
|
||||
namespace CocosDenshion {
|
||||
|
||||
struct soundData {
|
||||
ALuint buffer;
|
||||
ALuint source;
|
||||
bool isLooped;
|
||||
float pitch;
|
||||
float pan;
|
||||
float gain;
|
||||
};
|
||||
|
||||
typedef map<string, soundData *> EffectsMap;
|
||||
EffectsMap s_effects;
|
||||
|
||||
typedef enum {
|
||||
PLAYING,
|
||||
STOPPED,
|
||||
PAUSED,
|
||||
} playStatus;
|
||||
|
||||
static float s_volume = 1.0f;
|
||||
static float s_effectVolume = 1.0f;
|
||||
|
||||
struct backgroundMusicData {
|
||||
ALuint buffer;
|
||||
ALuint source;
|
||||
};
|
||||
|
||||
typedef map<string, backgroundMusicData *> BackgroundMusicsMap;
|
||||
BackgroundMusicsMap s_backgroundMusics;
|
||||
|
||||
static ALuint s_backgroundSource = AL_NONE;
|
||||
|
||||
static SimpleAudioEngine *s_engine = nullptr;
|
||||
|
||||
static int checkALError(const char *funcName)
|
||||
{
|
||||
int err = alGetError();
|
||||
|
||||
if (err != AL_NO_ERROR)
|
||||
{
|
||||
switch (err)
|
||||
{
|
||||
case AL_INVALID_NAME:
|
||||
fprintf(stderr, "AL_INVALID_NAME in %s\n", funcName);
|
||||
break;
|
||||
|
||||
case AL_INVALID_ENUM:
|
||||
fprintf(stderr, "AL_INVALID_ENUM in %s\n", funcName);
|
||||
break;
|
||||
|
||||
case AL_INVALID_VALUE:
|
||||
fprintf(stderr, "AL_INVALID_VALUE in %s\n", funcName);
|
||||
break;
|
||||
|
||||
case AL_INVALID_OPERATION:
|
||||
fprintf(stderr, "AL_INVALID_OPERATION in %s\n", funcName);
|
||||
break;
|
||||
|
||||
case AL_OUT_OF_MEMORY:
|
||||
fprintf(stderr, "AL_OUT_OF_MEMORY in %s\n", funcName);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static void stopBackground(bool bReleaseData)
|
||||
{
|
||||
// The background music might have been already stopped
|
||||
// Stop request can come from
|
||||
// - stopBackgroundMusic(..)
|
||||
// - end(..)
|
||||
if (s_backgroundSource != AL_NONE)
|
||||
alSourceStop(s_backgroundSource);
|
||||
|
||||
if (bReleaseData)
|
||||
{
|
||||
for (auto it = s_backgroundMusics.begin(); it != s_backgroundMusics.end(); ++it)
|
||||
{
|
||||
if (it->second->source == s_backgroundSource)
|
||||
{
|
||||
alDeleteSources(1, &it->second->source);
|
||||
checkALError("stopBackground:alDeleteSources");
|
||||
alDeleteBuffers(1, &it->second->buffer);
|
||||
checkALError("stopBackground:alDeleteBuffers");
|
||||
delete it->second;
|
||||
s_backgroundMusics.erase(it);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
s_backgroundSource = AL_NONE;
|
||||
}
|
||||
|
||||
static void setBackgroundVolume(float volume)
|
||||
{
|
||||
alSourcef(s_backgroundSource, AL_GAIN, volume);
|
||||
}
|
||||
|
||||
SimpleAudioEngine::SimpleAudioEngine()
|
||||
{
|
||||
alutInit(0, 0);
|
||||
#ifdef ENABLE_MPG123
|
||||
mpg123_init();
|
||||
#endif
|
||||
checkALError("SimpleAudioEngine:alutInit");
|
||||
OpenALDecoder::installDecoders();
|
||||
}
|
||||
|
||||
SimpleAudioEngine::~SimpleAudioEngine()
|
||||
{
|
||||
#ifdef ENABLE_MPG123
|
||||
mpg123_exit();
|
||||
#endif
|
||||
alutExit();
|
||||
}
|
||||
|
||||
SimpleAudioEngine* SimpleAudioEngine::getInstance()
|
||||
{
|
||||
if (!s_engine)
|
||||
s_engine = new SimpleAudioEngine();
|
||||
|
||||
return s_engine;
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::end()
|
||||
{
|
||||
checkALError("end:init");
|
||||
|
||||
// clear all the sound effects
|
||||
EffectsMap::const_iterator end = s_effects.end();
|
||||
for (auto it = s_effects.begin(); it != end; ++it)
|
||||
{
|
||||
alSourceStop(it->second->source);
|
||||
checkALError("end:alSourceStop");
|
||||
|
||||
alDeleteSources(1, &it->second->source);
|
||||
checkALError("end:alDeleteSources");
|
||||
|
||||
alDeleteBuffers(1, &it->second->buffer);
|
||||
checkALError("end:alDeleteBuffers");
|
||||
|
||||
delete it->second;
|
||||
}
|
||||
s_effects.clear();
|
||||
|
||||
// and the background music too
|
||||
stopBackground(true);
|
||||
|
||||
for (auto it = s_backgroundMusics.begin(); it != s_backgroundMusics.end(); ++it)
|
||||
{
|
||||
alSourceStop(it->second->source);
|
||||
checkALError("end:alSourceStop");
|
||||
|
||||
alDeleteSources(1, &it->second->source);
|
||||
checkALError("end:alDeleteSources");
|
||||
|
||||
alDeleteBuffers(1, &it->second->buffer);
|
||||
checkALError("end:alDeleteBuffers");
|
||||
|
||||
delete it->second;
|
||||
}
|
||||
s_backgroundMusics.clear();
|
||||
|
||||
CC_SAFE_DELETE(s_engine);
|
||||
}
|
||||
|
||||
//
|
||||
// background audio
|
||||
//
|
||||
void SimpleAudioEngine::preloadBackgroundMusic(const char* pszFilePath)
|
||||
{
|
||||
// Changing file path to full path
|
||||
std::string fullPath = FileUtils::getInstance()->fullPathForFilename(pszFilePath);
|
||||
|
||||
BackgroundMusicsMap::const_iterator it = s_backgroundMusics.find(fullPath);
|
||||
if (it == s_backgroundMusics.end())
|
||||
{
|
||||
ALuint buffer = AL_NONE;
|
||||
bool success = false;
|
||||
OpenALFile file;
|
||||
file.debugName = pszFilePath;
|
||||
file.file = fopen(fullPath.c_str(), "rb");
|
||||
if (!file.file) {
|
||||
fprintf(stderr, "Cannot read file: '%s'\n", fullPath.data());
|
||||
return;
|
||||
}
|
||||
|
||||
const std::vector<OpenALDecoder *> &decoders = OpenALDecoder::getDecoders();
|
||||
for (size_t i = 0, n = decoders.size(); !success && i < n; ++i)
|
||||
success = decoders[i]->decode(file, buffer);
|
||||
file.clear();
|
||||
|
||||
ALuint source = AL_NONE;
|
||||
alGenSources(1, &source);
|
||||
checkALError("preloadBackgroundMusic:alGenSources");
|
||||
|
||||
alSourcei(source, AL_BUFFER, buffer);
|
||||
checkALError("preloadBackgroundMusic:alSourcei");
|
||||
|
||||
backgroundMusicData* data = new backgroundMusicData();
|
||||
data->buffer = buffer;
|
||||
data->source = source;
|
||||
s_backgroundMusics.insert(BackgroundMusicsMap::value_type(fullPath, data));
|
||||
}
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::playBackgroundMusic(const char* pszFilePath, bool bLoop)
|
||||
{
|
||||
// If there is already a background music source we stop it first
|
||||
if (s_backgroundSource != AL_NONE)
|
||||
stopBackgroundMusic(false);
|
||||
|
||||
// Changing file path to full path
|
||||
std::string fullPath = FileUtils::getInstance()->fullPathForFilename(pszFilePath);
|
||||
|
||||
BackgroundMusicsMap::const_iterator it = s_backgroundMusics.find(fullPath);
|
||||
if (it == s_backgroundMusics.end())
|
||||
{
|
||||
preloadBackgroundMusic(fullPath.c_str());
|
||||
it = s_backgroundMusics.find(fullPath);
|
||||
}
|
||||
|
||||
if (it != s_backgroundMusics.end())
|
||||
{
|
||||
s_backgroundSource = it->second->source;
|
||||
alSourcei(s_backgroundSource, AL_LOOPING, bLoop ? AL_TRUE : AL_FALSE);
|
||||
setBackgroundVolume(s_volume);
|
||||
alSourcePlay(s_backgroundSource);
|
||||
checkALError("playBackgroundMusic:alSourcePlay");
|
||||
}
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::stopBackgroundMusic(bool bReleaseData)
|
||||
{
|
||||
// If there is no source, then there is nothing that can be stopped
|
||||
if (s_backgroundSource == AL_NONE)
|
||||
return;
|
||||
|
||||
ALint state;
|
||||
alGetSourcei(s_backgroundSource, AL_SOURCE_STATE, &state);
|
||||
if (state == AL_PLAYING)
|
||||
stopBackground(bReleaseData);
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::pauseBackgroundMusic()
|
||||
{
|
||||
// If there is no source, then there is nothing that can be paused
|
||||
if (s_backgroundSource == AL_NONE)
|
||||
return;
|
||||
|
||||
ALint state;
|
||||
alGetSourcei(s_backgroundSource, AL_SOURCE_STATE, &state);
|
||||
if (state == AL_PLAYING)
|
||||
alSourcePause(s_backgroundSource);
|
||||
|
||||
checkALError("pauseBackgroundMusic:alSourcePause");
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::resumeBackgroundMusic()
|
||||
{
|
||||
// If there is no source, then there is nothing that can be resumed
|
||||
if (s_backgroundSource == AL_NONE)
|
||||
return;
|
||||
|
||||
ALint state;
|
||||
alGetSourcei(s_backgroundSource, AL_SOURCE_STATE, &state);
|
||||
if (state == AL_PAUSED)
|
||||
alSourcePlay(s_backgroundSource);
|
||||
|
||||
checkALError("resumeBackgroundMusic:alSourcePlay");
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::rewindBackgroundMusic()
|
||||
{
|
||||
// If there is no source, then there is nothing that can be rewinded
|
||||
if (s_backgroundSource == AL_NONE)
|
||||
return;
|
||||
|
||||
// Rewind and prevent the last state the source had
|
||||
ALint state;
|
||||
alGetSourcei(s_backgroundSource, AL_SOURCE_STATE, &state);
|
||||
alSourceRewind(s_backgroundSource);
|
||||
|
||||
if (state == AL_PLAYING)
|
||||
{
|
||||
alSourcePlay(s_backgroundSource);
|
||||
}
|
||||
else if (state == AL_PAUSED)
|
||||
{
|
||||
alSourcePlay(s_backgroundSource);
|
||||
alSourcePause(s_backgroundSource);
|
||||
}
|
||||
checkALError("rewindBackgroundMusic:alSourceRewind");
|
||||
}
|
||||
|
||||
bool SimpleAudioEngine::willPlayBackgroundMusic()
|
||||
{
|
||||
// We are able to play background music
|
||||
// if we have a valid background source
|
||||
if (s_backgroundSource == AL_NONE)
|
||||
return false;
|
||||
|
||||
return (alIsSource(s_backgroundSource) == AL_TRUE ? true : false);
|
||||
}
|
||||
|
||||
bool SimpleAudioEngine::isBackgroundMusicPlaying()
|
||||
{
|
||||
// If there is no source, then there is nothing that is playing
|
||||
if (s_backgroundSource == AL_NONE)
|
||||
return false;
|
||||
|
||||
ALint play_status;
|
||||
alGetSourcei(s_backgroundSource, AL_SOURCE_STATE, &play_status);
|
||||
checkALError("isBackgroundMusicPlaying:alGetSourcei");
|
||||
|
||||
return (play_status == AL_PLAYING);
|
||||
}
|
||||
|
||||
float SimpleAudioEngine::getBackgroundMusicVolume()
|
||||
{
|
||||
return s_volume;
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::setBackgroundMusicVolume(float volume)
|
||||
{
|
||||
if (s_volume != volume && volume >= -0.0001 && volume <= 1.0001)
|
||||
{
|
||||
s_volume = volume;
|
||||
|
||||
// No source, no background music, no volume adjustment
|
||||
if (s_backgroundSource != AL_NONE)
|
||||
{
|
||||
setBackgroundVolume(volume);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// Effect audio (using OpenAL)
|
||||
//
|
||||
float SimpleAudioEngine::getEffectsVolume()
|
||||
{
|
||||
return s_effectVolume;
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::setEffectsVolume(float volume)
|
||||
{
|
||||
if (volume != s_effectVolume)
|
||||
{
|
||||
EffectsMap::const_iterator end = s_effects.end();
|
||||
for (EffectsMap::const_iterator it = s_effects.begin(); it != end; it++)
|
||||
{
|
||||
alSourcef(it->second->source, AL_GAIN, volume * it->second->gain);
|
||||
}
|
||||
|
||||
s_effectVolume = volume;
|
||||
}
|
||||
}
|
||||
|
||||
unsigned int SimpleAudioEngine::playEffect(const char* pszFilePath, bool bLoop,
|
||||
float pitch, float pan, float gain)
|
||||
{
|
||||
std::string fullPath = FileUtils::getInstance()->fullPathForFilename(pszFilePath);
|
||||
|
||||
EffectsMap::iterator iter = s_effects.find(fullPath);
|
||||
|
||||
if (iter == s_effects.end())
|
||||
{
|
||||
preloadEffect(fullPath.c_str());
|
||||
|
||||
// let's try again
|
||||
iter = s_effects.find(fullPath);
|
||||
if (iter == s_effects.end())
|
||||
{
|
||||
fprintf(stderr, "could not find play sound %s\n", fullPath.c_str());
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
checkALError("playEffect:init");
|
||||
|
||||
soundData &d = *iter->second;
|
||||
d.isLooped = bLoop;
|
||||
d.pitch = pitch;
|
||||
d.pan = pan;
|
||||
d.gain = gain;
|
||||
alSourcei(d.source, AL_LOOPING, d.isLooped ? AL_TRUE : AL_FALSE);
|
||||
alSourcef(d.source, AL_GAIN, s_effectVolume * d.gain);
|
||||
alSourcef(d.source, AL_PITCH, d.pitch);
|
||||
float sourcePosAL[] = {d.pan, 0.0f, 0.0f};//Set position - just using left and right panning
|
||||
alSourcefv(d.source, AL_POSITION, sourcePosAL);
|
||||
alSourcePlay(d.source);
|
||||
checkALError("playEffect:alSourcePlay");
|
||||
|
||||
return d.source;
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::stopEffect(unsigned int nSoundId)
|
||||
{
|
||||
alSourceStop(nSoundId);
|
||||
checkALError("stopEffect:alSourceStop");
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::preloadEffect(const char* pszFilePath)
|
||||
{
|
||||
// Changing file path to full path
|
||||
std::string fullPath = FileUtils::getInstance()->fullPathForFilename(pszFilePath);
|
||||
|
||||
EffectsMap::iterator iter = s_effects.find(fullPath);
|
||||
|
||||
// check if we have this already
|
||||
if (iter == s_effects.end())
|
||||
{
|
||||
ALuint buffer = AL_NONE;
|
||||
ALuint source = AL_NONE;
|
||||
|
||||
|
||||
checkALError("preloadEffect:init");
|
||||
OpenALFile file;
|
||||
file.debugName = pszFilePath;
|
||||
file.file = fopen(fullPath.c_str(), "rb");
|
||||
if (!file.file) {
|
||||
fprintf(stderr, "Cannot read file: '%s'\n", fullPath.data());
|
||||
return;
|
||||
}
|
||||
|
||||
bool success = false;
|
||||
const std::vector<OpenALDecoder *> &decoders = OpenALDecoder::getDecoders();
|
||||
for (size_t i = 0, n = decoders.size(); !success && i < n; ++i)
|
||||
success = decoders[i]->decode(file, buffer);
|
||||
file.clear();
|
||||
|
||||
alGenSources(1, &source);
|
||||
|
||||
if (checkALError("preloadEffect:alGenSources") != AL_NO_ERROR)
|
||||
{
|
||||
alDeleteBuffers(1, &buffer);
|
||||
return;
|
||||
}
|
||||
|
||||
alSourcei(source, AL_BUFFER, buffer);
|
||||
checkALError("preloadEffect:alSourcei");
|
||||
|
||||
soundData *data = new soundData;
|
||||
data->isLooped = false;
|
||||
data->buffer = buffer;
|
||||
data->source = source;
|
||||
data->pitch = 1.0;
|
||||
data->pan = 0.0;
|
||||
data->gain = 1.0;
|
||||
|
||||
s_effects.insert(EffectsMap::value_type(fullPath, data));
|
||||
}
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::unloadEffect(const char* pszFilePath)
|
||||
{
|
||||
// Changing file path to full path
|
||||
std::string fullPath = FileUtils::getInstance()->fullPathForFilename(pszFilePath);
|
||||
|
||||
EffectsMap::iterator iter = s_effects.find(fullPath);
|
||||
|
||||
if (iter != s_effects.end())
|
||||
{
|
||||
checkALError("unloadEffect:init");
|
||||
|
||||
alSourceStop(iter->second->source);
|
||||
checkALError("unloadEffect:alSourceStop");
|
||||
|
||||
alDeleteSources(1, &iter->second->source);
|
||||
checkALError("unloadEffect:DeletSources");
|
||||
|
||||
alDeleteBuffers(1, &iter->second->buffer);
|
||||
checkALError("unloadEffect:alDeleteBuffers");
|
||||
delete iter->second;
|
||||
|
||||
s_effects.erase(iter);
|
||||
}
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::pauseEffect(unsigned int nSoundId)
|
||||
{
|
||||
ALint state;
|
||||
alGetSourcei(nSoundId, AL_SOURCE_STATE, &state);
|
||||
if (state == AL_PLAYING)
|
||||
alSourcePause(nSoundId);
|
||||
checkALError("pauseEffect:alSourcePause");
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::pauseAllEffects()
|
||||
{
|
||||
EffectsMap::iterator iter = s_effects.begin();
|
||||
ALint state;
|
||||
while (iter != s_effects.end())
|
||||
{
|
||||
alGetSourcei(iter->second->source, AL_SOURCE_STATE, &state);
|
||||
if (state == AL_PLAYING)
|
||||
alSourcePause(iter->second->source);
|
||||
checkALError("pauseAllEffects:alSourcePause");
|
||||
++iter;
|
||||
}
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::resumeEffect(unsigned int nSoundId)
|
||||
{
|
||||
ALint state;
|
||||
alGetSourcei(nSoundId, AL_SOURCE_STATE, &state);
|
||||
if (state == AL_PAUSED)
|
||||
alSourcePlay(nSoundId);
|
||||
checkALError("resumeEffect:alSourcePlay");
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::resumeAllEffects()
|
||||
{
|
||||
EffectsMap::iterator iter = s_effects.begin();
|
||||
ALint state;
|
||||
while (iter != s_effects.end())
|
||||
{
|
||||
alGetSourcei(iter->second->source, AL_SOURCE_STATE, &state);
|
||||
if (state == AL_PAUSED)
|
||||
alSourcePlay(iter->second->source);
|
||||
checkALError("resumeAllEffects:alSourcePlay");
|
||||
++iter;
|
||||
}
|
||||
}
|
||||
|
||||
void SimpleAudioEngine::stopAllEffects()
|
||||
{
|
||||
EffectsMap::iterator iter = s_effects.begin();
|
||||
|
||||
if (iter != s_effects.end())
|
||||
{
|
||||
checkALError("stopAllEffects:init");
|
||||
alSourceStop(iter->second->source);
|
||||
checkALError("stopAllEffects:alSourceStop");
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace CocosDenshion {
|
||||
Loading…
Reference in New Issue