From 6039eb05ba6d82ef56f2868c96654c552d117bf9 Mon Sep 17 00:00:00 2001 From: Franklin Wei Date: Wed, 7 Feb 2018 20:04:46 -0500 Subject: sdl: remove non-rockbox drivers We never use any of these other drivers, so having them around just takes up space. Change-Id: Iced812162df1fef3fd55522b7e700acb6c3bcd41 --- apps/plugins/sdl/src/audio/mint/SDL_mintaudio.c | 215 ------------------------ 1 file changed, 215 deletions(-) delete mode 100644 apps/plugins/sdl/src/audio/mint/SDL_mintaudio.c (limited to 'apps/plugins/sdl/src/audio/mint/SDL_mintaudio.c') diff --git a/apps/plugins/sdl/src/audio/mint/SDL_mintaudio.c b/apps/plugins/sdl/src/audio/mint/SDL_mintaudio.c deleted file mode 100644 index 46ba690c3e..0000000000 --- a/apps/plugins/sdl/src/audio/mint/SDL_mintaudio.c +++ /dev/null @@ -1,215 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2012 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with this library; if not, write to the Free - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* - Audio interrupt variables and callback function - - Patrice Mandin -*/ - -#include - -#include -#include -#include -#include - -#include "SDL_audio.h" -#include "SDL_mintaudio.h" -#include "SDL_mintaudio_stfa.h" - -/* The audio device */ - -SDL_AudioDevice *SDL_MintAudio_device; -Uint8 *SDL_MintAudio_audiobuf[2]; /* Pointers to buffers */ -unsigned long SDL_MintAudio_audiosize; /* Length of audio buffer=spec->size */ -volatile unsigned short SDL_MintAudio_numbuf; /* Buffer to play */ -volatile unsigned short SDL_MintAudio_mutex; -volatile unsigned long SDL_MintAudio_clocktics; -cookie_stfa_t *SDL_MintAudio_stfa; -unsigned short SDL_MintAudio_hasfpu; - -/* MiNT thread variables */ -SDL_bool SDL_MintAudio_mint_present; -SDL_bool SDL_MintAudio_quit_thread; -SDL_bool SDL_MintAudio_thread_finished; -long SDL_MintAudio_thread_pid; - -/* The callback function, called by each driver whenever needed */ - -void SDL_MintAudio_Callback(void) -{ - Uint8 *buffer; - SDL_AudioDevice *audio = SDL_MintAudio_device; - - buffer = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf]; - SDL_memset(buffer, audio->spec.silence, audio->spec.size); - - if (audio->paused) - return; - - if (audio->convert.needed) { - int silence; - - if ( audio->convert.src_format == AUDIO_U8 ) { - silence = 0x80; - } else { - silence = 0; - } - SDL_memset(audio->convert.buf, silence, audio->convert.len); - audio->spec.callback(audio->spec.userdata, - (Uint8 *)audio->convert.buf,audio->convert.len); - SDL_ConvertAudio(&audio->convert); - SDL_memcpy(buffer, audio->convert.buf, audio->convert.len_cvt); - } else { - audio->spec.callback(audio->spec.userdata, buffer, audio->spec.size); - } -} - -/* Add a new frequency/clock/predivisor to the current list */ -void SDL_MintAudio_AddFrequency(_THIS, Uint32 frequency, Uint32 clock, - Uint32 prediv, int gpio_bits) -{ - int i, p; - - if (MINTAUDIO_freqcount==MINTAUDIO_maxfreqs) { - return; - } - - /* Search where to insert the frequency (highest first) */ - for (p=0; p MINTAUDIO_frequencies[p].frequency) { - break; - } - } - - /* Put all following ones farer */ - if (MINTAUDIO_freqcount>0) { - for (i=MINTAUDIO_freqcount; i>p; i--) { - SDL_memcpy(&MINTAUDIO_frequencies[i], &MINTAUDIO_frequencies[i-1], sizeof(mint_frequency_t)); - } - } - - /* And insert new one */ - MINTAUDIO_frequencies[p].frequency = frequency; - MINTAUDIO_frequencies[p].masterclock = clock; - MINTAUDIO_frequencies[p].predivisor = prediv; - MINTAUDIO_frequencies[p].gpio_bits = gpio_bits; - - MINTAUDIO_freqcount++; -} - -/* Search for the nearest frequency */ -int SDL_MintAudio_SearchFrequency(_THIS, int desired_freq) -{ - int i; - - /* Only 1 freq ? */ - if (MINTAUDIO_freqcount==1) { - return 0; - } - - /* Check the array */ - for (i=0; i= ((MINTAUDIO_frequencies[i].frequency+ - MINTAUDIO_frequencies[i+1].frequency)>>1)) { - return i; - } - } - - /* Not in the array, give the latest */ - return MINTAUDIO_freqcount-1; -} - -/* Check if FPU is present */ -void SDL_MintAudio_CheckFpu(void) -{ - long cookie_fpu; - - SDL_MintAudio_hasfpu = 0; - if (Getcookie(C__FPU, &cookie_fpu) != C_FOUND) { - return; - } - switch ((cookie_fpu>>16)&0xfffe) { - case 2: - case 4: - case 6: - case 8: - case 16: - SDL_MintAudio_hasfpu = 1; - break; - } -} - -/* The thread function, used under MiNT with xbios */ -int SDL_MintAudio_Thread(long param) -{ - SndBufPtr pointers; - SDL_bool buffers_filled[2] = {SDL_FALSE, SDL_FALSE}; - - SDL_MintAudio_thread_finished = SDL_FALSE; - while (!SDL_MintAudio_quit_thread) { - if (Buffptr(&pointers)!=0) - continue; - - if (( (unsigned long)pointers.play>=(unsigned long)SDL_MintAudio_audiobuf[0]) - && ( (unsigned long)pointers.play<=(unsigned long)SDL_MintAudio_audiobuf[1])) - { - /* DMA is reading buffer #0, setup buffer #1 if not already done */ - if (!buffers_filled[1]) { - SDL_MintAudio_numbuf = 1; - SDL_MintAudio_Callback(); - Setbuffer(0, SDL_MintAudio_audiobuf[1], SDL_MintAudio_audiobuf[1] + SDL_MintAudio_audiosize); - buffers_filled[1]=SDL_TRUE; - buffers_filled[0]=SDL_FALSE; - } - } else { - /* DMA is reading buffer #1, setup buffer #0 if not already done */ - if (!buffers_filled[0]) { - SDL_MintAudio_numbuf = 0; - SDL_MintAudio_Callback(); - Setbuffer(0, SDL_MintAudio_audiobuf[0], SDL_MintAudio_audiobuf[0] + SDL_MintAudio_audiosize); - buffers_filled[0]=SDL_TRUE; - buffers_filled[1]=SDL_FALSE; - } - } - - usleep(100); - } - SDL_MintAudio_thread_finished = SDL_TRUE; - return 0; -} - -void SDL_MintAudio_WaitThread(void) -{ - if (!SDL_MintAudio_mint_present) - return; - - if (SDL_MintAudio_thread_finished) - return; - - SDL_MintAudio_quit_thread = SDL_TRUE; - while (!SDL_MintAudio_thread_finished) { - Syield(); - } -} -- cgit v1.2.3