Move backend sources to a separate sub-directory

1 files changed, 0 insertions, 536 deletions

diff --git a/Alc/oss.c b/Alc/oss.c
deleted file mode 100644
index 724b23c2..00000000
--- a/Alc/oss.c
+++ /dev/null
@@ -1,536 +0,0 @@
-/**
- * OpenAL cross platform audio library
- * Copyright (C) 1999-2007 by authors.
- * 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 Software Foundation, Inc., 59 Temple Place - Suite 330,
- *  Boston, MA  02111-1307, USA.
- * Or go to http://www.gnu.org/copyleft/lgpl.html
- */
-
-#include "config.h"
-
-#include <sys/ioctl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <memory.h>
-#include <unistd.h>
-#include <errno.h>
-#include <math.h>
-#include "alMain.h"
-#include "AL/al.h"
-#include "AL/alc.h"
-
-#include <sys/soundcard.h>
-
-/*
- * The OSS documentation talks about SOUND_MIXER_READ, but the header
- * only contains MIXER_READ. Play safe. Same for WRITE.
- */
-#ifndef SOUND_MIXER_READ
-#define SOUND_MIXER_READ MIXER_READ
-#endif
-#ifndef SOUND_MIXER_WRITE
-#define SOUND_MIXER_WRITE MIXER_WRITE
-#endif
-
-static const ALCchar oss_device[] = "OSS Default";
-
-typedef struct {
-    int fd;
-    volatile int killNow;
-    ALvoid *thread;
-
-    ALubyte *mix_data;
-    int data_size;
-
-    RingBuffer *ring;
-    int doCapture;
-} oss_data;
-
-
-static int log2i(ALCuint x)
-{
-    int y = 0;
-    while (x > 1)
-    {
-        x >>= 1;
-        y++;
-    }
-    return y;
-}
-
-
-static ALuint OSSProc(ALvoid *ptr)
-{
-    ALCdevice *pDevice = (ALCdevice*)ptr;
-    oss_data *data = (oss_data*)pDevice->ExtraData;
-    ALint frameSize;
-    ssize_t wrote;
-
-    SetRTPriority();
-
-    frameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);
-
-    while(!data->killNow && pDevice->Connected)
-    {
-        ALint len = data->data_size;
-        ALubyte *WritePtr = data->mix_data;
-
-        aluMixData(pDevice, WritePtr, len/frameSize);
-        while(len > 0 && !data->killNow)
-        {
-            wrote = write(data->fd, WritePtr, len);
-            if(wrote < 0)
-            {
-                if(errno != EAGAIN && errno != EWOULDBLOCK && errno != EINTR)
-                {
-                    ERR("write failed: %s\n", strerror(errno));
-                    aluHandleDisconnect(pDevice);
-                    break;
-                }
-
-                Sleep(1);
-                continue;
-            }
-
-            len -= wrote;
-            WritePtr += wrote;
-        }
-    }
-
-    return 0;
-}
-
-static ALuint OSSCaptureProc(ALvoid *ptr)
-{
-    ALCdevice *pDevice = (ALCdevice*)ptr;
-    oss_data *data = (oss_data*)pDevice->ExtraData;
-    int frameSize;
-    int amt;
-
-    SetRTPriority();
-
-    frameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);
-
-    while(!data->killNow)
-    {
-        amt = read(data->fd, data->mix_data, data->data_size);
-        if(amt < 0)
-        {
-            ERR("read failed: %s\n", strerror(errno));
-            aluHandleDisconnect(pDevice);
-            break;
-        }
-        if(amt == 0)
-        {
-            Sleep(1);
-            continue;
-        }
-        if(data->doCapture)
-            WriteRingBuffer(data->ring, data->mix_data, amt/frameSize);
-    }
-
-    return 0;
-}
-
-static ALCboolean oss_open_playback(ALCdevice *device, const ALCchar *deviceName)
-{
-    char driver[64];
-    oss_data *data;
-
-    strncpy(driver, GetConfigValue("oss", "device", "/dev/dsp"), sizeof(driver)-1);
-    driver[sizeof(driver)-1] = 0;
-    if(!deviceName)
-        deviceName = oss_device;
-    else if(strcmp(deviceName, oss_device) != 0)
-        return ALC_FALSE;
-
-    data = (oss_data*)calloc(1, sizeof(oss_data));
-    data->killNow = 0;
-
-    data->fd = open(driver, O_WRONLY);
-    if(data->fd == -1)
-    {
-        free(data);
-        ERR("Could not open %s: %s\n", driver, strerror(errno));
-        return ALC_FALSE;
-    }
-
-    device->szDeviceName = strdup(deviceName);
-    device->ExtraData = data;
-    return ALC_TRUE;
-}
-
-static void oss_close_playback(ALCdevice *device)
-{
-    oss_data *data = (oss_data*)device->ExtraData;
-
-    close(data->fd);
-    free(data);
-    device->ExtraData = NULL;
-}
-
-static ALCboolean oss_reset_playback(ALCdevice *device)
-{
-    oss_data *data = (oss_data*)device->ExtraData;
-    int numFragmentsLogSize;
-    int log2FragmentSize;
-    unsigned int periods;
-    audio_buf_info info;
-    ALuint frameSize;
-    int numChannels;
-    int ossFormat;
-    int ossSpeed;
-    char *err;
-
-    switch(device->FmtType)
-    {
-        case DevFmtByte:
-            ossFormat = AFMT_S8;
-            break;
-        case DevFmtUByte:
-            ossFormat = AFMT_U8;
-            break;
-        case DevFmtUShort:
-        case DevFmtFloat:
-            device->FmtType = DevFmtShort;
-            /* fall-through */
-        case DevFmtShort:
-            ossFormat = AFMT_S16_NE;
-            break;
-    }
-
-    periods = device->NumUpdates;
-    numChannels = ChannelsFromDevFmt(device->FmtChans);
-    frameSize = numChannels * BytesFromDevFmt(device->FmtType);
-
-    ossSpeed = device->Frequency;
-    log2FragmentSize = log2i(device->UpdateSize * frameSize);
-
-    /* according to the OSS spec, 16 bytes are the minimum */
-    if (log2FragmentSize < 4)
-        log2FragmentSize = 4;
-    /* Subtract one period since the temp mixing buffer counts as one. Still
-     * need at least two on the card, though. */
-    if(periods > 2) periods--;
-    numFragmentsLogSize = (periods << 16) | log2FragmentSize;
-
-#define CHECKERR(func) if((func) < 0) {                                       \
-    err = #func;                                                              \
-    goto err;                                                                 \
-}
-    /* Don't fail if SETFRAGMENT fails. We can handle just about anything
-     * that's reported back via GETOSPACE */
-    ioctl(data->fd, SNDCTL_DSP_SETFRAGMENT, &numFragmentsLogSize);
-    CHECKERR(ioctl(data->fd, SNDCTL_DSP_SETFMT, &ossFormat));
-    CHECKERR(ioctl(data->fd, SNDCTL_DSP_CHANNELS, &numChannels));
-    CHECKERR(ioctl(data->fd, SNDCTL_DSP_SPEED, &ossSpeed));
-    CHECKERR(ioctl(data->fd, SNDCTL_DSP_GETOSPACE, &info));
-    if(0)
-    {
-    err:
-        ERR("%s failed: %s\n", err, strerror(errno));
-        return ALC_FALSE;
-    }
-#undef CHECKERR
-
-    if((int)ChannelsFromDevFmt(device->FmtChans) != numChannels)
-    {
-        ERR("Failed to set %s, got %d channels instead\n", DevFmtChannelsString(device->FmtChans), numChannels);
-        return ALC_FALSE;
-    }
-
-    if(!((ossFormat == AFMT_S8 && device->FmtType == DevFmtByte) ||
-         (ossFormat == AFMT_U8 && device->FmtType == DevFmtUByte) ||
-         (ossFormat == AFMT_S16_NE && device->FmtType == DevFmtShort)))
-    {
-        ERR("Failed to set %s samples, got OSS format %#x\n", DevFmtTypeString(device->FmtType), ossFormat);
-        return ALC_FALSE;
-    }
-
-    if(device->Frequency != (ALuint)ossSpeed)
-    {
-        if((device->Flags&DEVICE_FREQUENCY_REQUEST))
-            ERR("Failed to set %dhz, got %dhz instead\n", device->Frequency, ossSpeed);
-        device->Flags &= ~DEVICE_FREQUENCY_REQUEST;
-        device->Frequency = ossSpeed;
-    }
-    device->UpdateSize = info.fragsize / frameSize;
-    device->NumUpdates = info.fragments + 1;
-
-    data->data_size = device->UpdateSize * frameSize;
-    data->mix_data = calloc(1, data->data_size);
-
-    SetDefaultChannelOrder(device);
-
-    data->thread = StartThread(OSSProc, device);
-    if(data->thread == NULL)
-    {
-        free(data->mix_data);
-        data->mix_data = NULL;
-        return ALC_FALSE;
-    }
-
-    return ALC_TRUE;
-}
-
-static void oss_stop_playback(ALCdevice *device)
-{
-    oss_data *data = (oss_data*)device->ExtraData;
-
-    if(!data->thread)
-        return;
-
-    data->killNow = 1;
-    StopThread(data->thread);
-    data->thread = NULL;
-
-    data->killNow = 0;
-    if(ioctl(data->fd, SNDCTL_DSP_RESET) != 0)
-        ERR("Error resetting device: %s\n", strerror(errno));
-
-    free(data->mix_data);
-    data->mix_data = NULL;
-}
-
-
-static ALCboolean oss_open_capture(ALCdevice *device, const ALCchar *deviceName)
-{
-    int numFragmentsLogSize;
-    int log2FragmentSize;
-    unsigned int periods;
-    audio_buf_info info;
-    ALuint frameSize;
-    int numChannels;
-    char driver[64];
-    oss_data *data;
-    int ossFormat;
-    int ossSpeed;
-    char *err;
-
-    strncpy(driver, GetConfigValue("oss", "capture", "/dev/dsp"), sizeof(driver)-1);
-    driver[sizeof(driver)-1] = 0;
-    if(!deviceName)
-        deviceName = oss_device;
-    else if(strcmp(deviceName, oss_device) != 0)
-        return ALC_FALSE;
-
-    data = (oss_data*)calloc(1, sizeof(oss_data));
-    data->killNow = 0;
-
-    data->fd = open(driver, O_RDONLY);
-    if(data->fd == -1)
-    {
-        free(data);
-        ERR("Could not open %s: %s\n", driver, strerror(errno));
-        return ALC_FALSE;
-    }
-
-    switch(device->FmtType)
-    {
-        case DevFmtByte:
-            ossFormat = AFMT_S8;
-            break;
-        case DevFmtUByte:
-            ossFormat = AFMT_U8;
-            break;
-        case DevFmtShort:
-            ossFormat = AFMT_S16_NE;
-            break;
-        case DevFmtUShort:
-        case DevFmtFloat:
-            free(data);
-            ERR("%s capture samples not supported on OSS\n", DevFmtTypeString(device->FmtType));
-            return ALC_FALSE;
-    }
-
-    periods = 4;
-    numChannels = ChannelsFromDevFmt(device->FmtChans);
-    frameSize = numChannels * BytesFromDevFmt(device->FmtType);
-    ossSpeed = device->Frequency;
-    log2FragmentSize = log2i(device->UpdateSize * device->NumUpdates *
-                             frameSize / periods);
-
-    /* according to the OSS spec, 16 bytes are the minimum */
-    if (log2FragmentSize < 4)
-        log2FragmentSize = 4;
-    numFragmentsLogSize = (periods << 16) | log2FragmentSize;
-
-#define CHECKERR(func) if((func) < 0) {                                       \
-    err = #func;                                                              \
-    goto err;                                                                 \
-}
-    CHECKERR(ioctl(data->fd, SNDCTL_DSP_SETFRAGMENT, &numFragmentsLogSize));
-    CHECKERR(ioctl(data->fd, SNDCTL_DSP_SETFMT, &ossFormat));
-    CHECKERR(ioctl(data->fd, SNDCTL_DSP_CHANNELS, &numChannels));
-    CHECKERR(ioctl(data->fd, SNDCTL_DSP_SPEED, &ossSpeed));
-    CHECKERR(ioctl(data->fd, SNDCTL_DSP_GETISPACE, &info));
-    if(0)
-    {
-    err:
-        ERR("%s failed: %s\n", err, strerror(errno));
-        close(data->fd);
-        free(data);
-        return ALC_FALSE;
-    }
-#undef CHECKERR
-
-    if((int)ChannelsFromDevFmt(device->FmtChans) != numChannels)
-    {
-        ERR("Failed to set %s, got %d channels instead\n", DevFmtChannelsString(device->FmtChans), numChannels);
-        close(data->fd);
-        free(data);
-        return ALC_FALSE;
-    }
-
-    if(!((ossFormat == AFMT_S8 && device->FmtType == DevFmtByte) ||
-         (ossFormat == AFMT_U8 && device->FmtType == DevFmtUByte) ||
-         (ossFormat == AFMT_S16_NE && device->FmtType == DevFmtShort)))
-    {
-        ERR("Failed to set %s samples, got OSS format %#x\n", DevFmtTypeString(device->FmtType), ossFormat);
-        close(data->fd);
-        free(data);
-        return ALC_FALSE;
-    }
-
-    data->ring = CreateRingBuffer(frameSize, device->UpdateSize * device->NumUpdates);
-    if(!data->ring)
-    {
-        ERR("Ring buffer create failed\n");
-        close(data->fd);
-        free(data);
-        return ALC_FALSE;
-    }
-
-    data->data_size = info.fragsize;
-    data->mix_data = calloc(1, data->data_size);
-
-    device->ExtraData = data;
-    data->thread = StartThread(OSSCaptureProc, device);
-    if(data->thread == NULL)
-    {
-        device->ExtraData = NULL;
-        free(data->mix_data);
-        free(data);
-        return ALC_FALSE;
-    }
-
-    device->szDeviceName = strdup(deviceName);
-    return ALC_TRUE;
-}
-
-static void oss_close_capture(ALCdevice *device)
-{
-    oss_data *data = (oss_data*)device->ExtraData;
-    data->killNow = 1;
-    StopThread(data->thread);
-
-    close(data->fd);
-
-    DestroyRingBuffer(data->ring);
-
-    free(data->mix_data);
-    free(data);
-    device->ExtraData = NULL;
-}
-
-static void oss_start_capture(ALCdevice *pDevice)
-{
-    oss_data *data = (oss_data*)pDevice->ExtraData;
-    data->doCapture = 1;
-}
-
-static void oss_stop_capture(ALCdevice *pDevice)
-{
-    oss_data *data = (oss_data*)pDevice->ExtraData;
-    data->doCapture = 0;
-}
-
-static void oss_capture_samples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples)
-{
-    oss_data *data = (oss_data*)pDevice->ExtraData;
-    if(lSamples <= (ALCuint)RingBufferSize(data->ring))
-        ReadRingBuffer(data->ring, pBuffer, lSamples);
-    else
-        alcSetError(pDevice, ALC_INVALID_VALUE);
-}
-
-static ALCuint oss_available_samples(ALCdevice *pDevice)
-{
-    oss_data *data = (oss_data*)pDevice->ExtraData;
-    return RingBufferSize(data->ring);
-}
-
-
-static const BackendFuncs oss_funcs = {
-    oss_open_playback,
-    oss_close_playback,
-    oss_reset_playback,
-    oss_stop_playback,
-    oss_open_capture,
-    oss_close_capture,
-    oss_start_capture,
-    oss_stop_capture,
-    oss_capture_samples,
-    oss_available_samples
-};
-
-ALCboolean alc_oss_init(BackendFuncs *func_list)
-{
-    *func_list = oss_funcs;
-    return ALC_TRUE;
-}
-
-void alc_oss_deinit(void)
-{
-}
-
-void alc_oss_probe(enum DevProbe type)
-{
-    switch(type)
-    {
-        case DEVICE_PROBE:
-        {
-#ifdef HAVE_STAT
-            struct stat buf;
-            if(stat(GetConfigValue("oss", "device", "/dev/dsp"), &buf) == 0)
-#endif
-                AppendDeviceList(oss_device);
-        }
-        break;
-
-        case ALL_DEVICE_PROBE:
-        {
-#ifdef HAVE_STAT
-            struct stat buf;
-            if(stat(GetConfigValue("oss", "device", "/dev/dsp"), &buf) == 0)
-#endif
-                AppendAllDeviceList(oss_device);
-        }
-        break;
-
-        case CAPTURE_DEVICE_PROBE:
-        {
-#ifdef HAVE_STAT
-            struct stat buf;
-            if(stat(GetConfigValue("oss", "capture", "/dev/dsp"), &buf) == 0)
-#endif
-                AppendCaptureDeviceList(oss_device);
-        }
-        break;
-    }
-}