mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-05 02:55:07 +01:00
a0182d0c4c
* ogg decoder added (old oggplayer removed)
* mp3 decoder added (mp3's cane use as backgroundsounds)
* WAVE decoder added (but only uncompressed WAVE's)
* AIFF decoder added (only uncrompressed)
* BNS decoder added
all soundformats can use as backgroundsounds
dimoks GameSound class removed it is replaced with the new GuiSound stuff
* Many small fixes and other changes
95 lines
2.1 KiB
C++
95 lines
2.1 KiB
C++
/****************************************************************************
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* libwiigui
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*
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* Tantric 2009
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*
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* gui_sound_plugin_ogg.cpp
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*
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* by ardi 2009
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*
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* Decoder for ogg-vorbis with libtremor
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*
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* GUI class definitions
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***************************************************************************/
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#include <unistd.h>
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#include <asndlib.h>
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#include <tremor/ivorbiscodec.h>
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#include <tremor/ivorbisfile.h>
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#include "gui_sound_decoder.h"
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class GuiSoundDecoderOGG : public GuiSoundDecoder
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{
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protected:
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GuiSoundDecoderOGG(const u8 * snd, u32 len, bool snd_is_allocated)
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{
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sound = snd;
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is_allocated = snd_is_allocated;
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ogg_fd = mem_open((char *)snd, len);
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if(ogg_fd < 0) throw("mem open failed");
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if (ov_open((FILE*)&ogg_fd, &ogg_file, NULL, 0) < 0)
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{
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mem_close(ogg_fd);
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throw("ogg open failed");
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}
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ogg_info = ov_info(&ogg_file, -1);
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bitstream = 0;
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is_running = false;
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}
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public:
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~GuiSoundDecoderOGG()
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{
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while(is_running) usleep(50);
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ov_clear(&ogg_file);
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if(is_allocated) delete [] sound;
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}
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static GuiSoundDecoder *Create(const u8 * snd, u32 len, bool snd_is_allocated)
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{
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if(snd && len>4 && snd[0]=='O' && snd[1]=='g' && snd[2]=='g' && snd[3]=='S')
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return new GuiSoundDecoderOGG(snd, len, snd_is_allocated);
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return NULL;
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}
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s32 GetFormat()
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{
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return ogg_info->channels==2 ? VOICE_STEREO_16BIT : VOICE_MONO_16BIT;
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}
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s32 GetSampleRate()
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{
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return ogg_info->rate;
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}
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/* Read reads data from stream to buffer
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return: >0 = readed bytes;
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0 = EOF;
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<0 = Error;
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*/
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int Read(u8 * buffer, int buffer_size)
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{
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is_running = true;
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int ret = ov_read(&ogg_file, (char *)buffer, buffer_size, &bitstream);
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if (ret < 0)
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{
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/* error in the stream. Not a problem, just reporting it in
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case we (the app) cares. In this case, we don't. */
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if (ret != OV_HOLE)
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ret = 0; // we says EOF
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}
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is_running = false;
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return ret;
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}
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int Rewind()
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{
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return ov_time_seek(&ogg_file, 0);
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}
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private:
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const u8 *sound;
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bool is_allocated;
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int ogg_fd;
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OggVorbis_File ogg_file;
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vorbis_info *ogg_info;
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int bitstream;
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bool is_running;
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};
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REGISTER_GUI_SOUND_DECODER(GuiSoundDecoderOGG);
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