ds3d.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

/*
 * Tests the panning and 3D functions of DirectSound
 *
 * Part of this test involves playing test tones. But this only makes
 * sense if someone is going to carefully listen to it, and would only
 * bother everyone else.
 * So this is only done if the test is being run in interactive mode.
 *
 * Copyright (c) 2002-2004 Francois Gouget
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser 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
 */

#define NONAMELESSSTRUCT
#define NONAMELESSUNION
#include <windows.h>

#include <math.h>

#include "wine/test.h"
#include "dsound.h"
#include "dxerr8.h"

#include "dsound_test.h"

#define PI 3.14159265358979323846
char* wave_generate_la(WAVEFORMATEX* wfx, double duration, DWORD* size)
{
    int i;
    int nb_samples;
    char* buf;
    char* b;

    nb_samples=(int)(duration*wfx->nSamplesPerSec);
    *size=nb_samples*wfx->nBlockAlign;
    b=buf=malloc(*size);
    for (i=0;i<nb_samples;i++) {
        double y=sin(440.0*2*PI*i/wfx->nSamplesPerSec);
        if (wfx->wBitsPerSample==8) {
            unsigned char sample=(unsigned char)((double)127.5*(y+1.0));
            *b++=sample;
            if (wfx->nChannels==2)
                *b++=sample;
        } else {
            signed short sample=(signed short)((double)32767.5*y-0.5);
            b[0]=sample & 0xff;
            b[1]=sample >> 8;
            b+=2;
            if (wfx->nChannels==2) {
                b[0]=sample & 0xff;
                b[1]=sample >> 8;
                b+=2;
            }
        }
    }
    return buf;
}

const char * getDSBCAPS(DWORD xmask) {
    static struct {
        DWORD   mask;
        const char    *name;
    } flags[] = {
#define FE(x) { x, #x },
        FE(DSBCAPS_PRIMARYBUFFER)
        FE(DSBCAPS_STATIC)
        FE(DSBCAPS_LOCHARDWARE)
        FE(DSBCAPS_LOCSOFTWARE)
        FE(DSBCAPS_CTRL3D)
        FE(DSBCAPS_CTRLFREQUENCY)
        FE(DSBCAPS_CTRLPAN)
        FE(DSBCAPS_CTRLVOLUME)
        FE(DSBCAPS_CTRLPOSITIONNOTIFY)
        FE(DSBCAPS_STICKYFOCUS)
        FE(DSBCAPS_GLOBALFOCUS)
        FE(DSBCAPS_GETCURRENTPOSITION2)
        FE(DSBCAPS_MUTE3DATMAXDISTANCE)
#undef FE
    };
    static char buffer[512];
    unsigned int i;
    BOOL first = TRUE;

    buffer[0] = 0;

    for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++) {
        if ((flags[i].mask & xmask) == flags[i].mask) {
            if (first)
                first = FALSE;
            else
                strcat(buffer, "|");
            strcat(buffer, flags[i].name);
        }
    }

    return buffer;
}

HWND get_hwnd()
{
    HWND hwnd=GetForegroundWindow();
    if (!hwnd)
        hwnd=GetDesktopWindow();
    return hwnd;
}

void init_format(WAVEFORMATEX* wfx, int format, int rate, int depth,
                 int channels)
{
    wfx->wFormatTag=format;
    wfx->nChannels=channels;
    wfx->wBitsPerSample=depth;
    wfx->nSamplesPerSec=rate;
    wfx->nBlockAlign=wfx->nChannels*wfx->wBitsPerSample/8;
    /* FIXME: Shouldn't this test be if (format!=WAVE_FORMAT_PCM) */
    if (wfx->nBlockAlign==0)
    {
        /* align compressed formats to byte boundary */
        wfx->nBlockAlign=1;
    }
    wfx->nAvgBytesPerSec=wfx->nSamplesPerSec*wfx->nBlockAlign;
    wfx->cbSize=0;
}

typedef struct {
    char* wave;
    DWORD wave_len;

    LPDIRECTSOUNDBUFFER dsbo;
    LPWAVEFORMATEX wfx;
    DWORD buffer_size;
    DWORD written;
    DWORD played;
    DWORD offset;
} play_state_t;

static int buffer_refill(play_state_t* state, DWORD size)
{
    LPVOID ptr1,ptr2;
    DWORD len1,len2;
    HRESULT rc;

    if (size>state->wave_len-state->written)
        size=state->wave_len-state->written;

    rc=IDirectSoundBuffer_Lock(state->dsbo,state->offset,size,
                               &ptr1,&len1,&ptr2,&len2,0);
    ok(rc==DS_OK,"IDirectSoundBuffer_Lock() failed: %s\n",
       DXGetErrorString8(rc));
    if (rc!=DS_OK)
        return -1;

    memcpy(ptr1,state->wave+state->written,len1);
    state->written+=len1;
    if (ptr2!=NULL) {
        memcpy(ptr2,state->wave+state->written,len2);
        state->written+=len2;
    }
    state->offset=state->written % state->buffer_size;
    rc=IDirectSoundBuffer_Unlock(state->dsbo,ptr1,len1,ptr2,len2);
    ok(rc==DS_OK,"IDirectSoundBuffer_Unlock() failed: %s\n",
       DXGetErrorString8(rc));
    if (rc!=DS_OK)
        return -1;
    return size;
}

static int buffer_silence(play_state_t* state, DWORD size)
{
    LPVOID ptr1,ptr2;
    DWORD len1,len2;
    HRESULT rc;
    BYTE s;

    rc=IDirectSoundBuffer_Lock(state->dsbo,state->offset,size,
                               &ptr1,&len1,&ptr2,&len2,0);
    ok(rc==DS_OK,"IDirectSoundBuffer_Lock() failed: %s\n",
       DXGetErrorString8(rc));
    if (rc!=DS_OK)
        return -1;

    s=(state->wfx->wBitsPerSample==8?0x80:0);
    memset(ptr1,s,len1);
    if (ptr2!=NULL) {
        memset(ptr2,s,len2);
    }
    state->offset=(state->offset+size) % state->buffer_size;
    rc=IDirectSoundBuffer_Unlock(state->dsbo,ptr1,len1,ptr2,len2);
    ok(rc==DS_OK,"IDirectSoundBuffer_Unlock() failed: %s\n",
       DXGetErrorString8(rc));
    if (rc!=DS_OK)
        return -1;
    return size;
}

static int buffer_service(play_state_t* state)
{
    DWORD last_play_pos,play_pos,buf_free;
    HRESULT rc;

    rc=IDirectSoundBuffer_GetCurrentPosition(state->dsbo,&play_pos,NULL);
    ok(rc==DS_OK,"IDirectSoundBuffer_GetCurrentPosition() failed: %s\n",
       DXGetErrorString8(rc));
    if (rc!=DS_OK) {
        goto STOP;
    }

    /* Update the amount played */
    last_play_pos=state->played % state->buffer_size;
    if (play_pos<last_play_pos)
        state->played+=state->buffer_size-last_play_pos+play_pos;
    else
        state->played+=play_pos-last_play_pos;

    if (winetest_debug > 1)
        trace("buf size=%ld last_play_pos=%ld play_pos=%ld played=%ld / %ld\n",
              state->buffer_size,last_play_pos,play_pos,state->played,
              state->wave_len);

    if (state->played>state->wave_len)
    {
        /* Everything has been played */
        goto STOP;
    }

    /* Refill the buffer */
    if (state->offset<=play_pos)
        buf_free=play_pos-state->offset;
    else
        buf_free=state->buffer_size-state->offset+play_pos;

    if (winetest_debug > 1)
        trace("offset=%ld free=%ld written=%ld / %ld\n",
              state->offset,buf_free,state->written,state->wave_len);
    if (buf_free==0)
        return 1;

    if (state->written<state->wave_len)
    {
        int w=buffer_refill(state,buf_free);
        if (w==-1)
            goto STOP;
        buf_free-=w;
        if (state->written==state->wave_len && winetest_debug > 1)
            trace("last sound byte at %ld\n",
                  (state->written % state->buffer_size));
    }

    if (buf_free>0) {
        /* Fill with silence */
        if (winetest_debug > 1)
            trace("writing %ld bytes of silence\n",buf_free);
        if (buffer_silence(state,buf_free)==-1)
            goto STOP;
    }
    return 1;

STOP:
    if (winetest_debug > 1)
        trace("stopping playback\n");
    rc=IDirectSoundBuffer_Stop(state->dsbo);
    ok(rc==DS_OK,"IDirectSoundBuffer_Stop() failed: %s\n",
       DXGetErrorString8(rc));
    return 0;
}

void test_buffer(LPDIRECTSOUND dso, LPDIRECTSOUNDBUFFER dsbo,
                 BOOL is_primary, BOOL set_volume, LONG volume,
                 BOOL set_pan, LONG pan, BOOL play, double duration,
                 BOOL buffer3d, LPDIRECTSOUND3DLISTENER listener,
                 BOOL move_listener, BOOL move_sound,
                 BOOL set_frequency, DWORD frequency)
{
    HRESULT rc;
    DSBCAPS dsbcaps;
    WAVEFORMATEX wfx,wfx2;
    DWORD size,status,freq;
    int ref;

    if (set_frequency) {
        rc=IDirectSoundBuffer_SetFrequency(dsbo,frequency);
        ok(rc==DS_OK||rc==DSERR_CONTROLUNAVAIL,
           "IDirectSoundBuffer_SetFrequency() failed to set frequency "
           "%s\n",DXGetErrorString8(rc));
        if (rc!=DS_OK)
            return;
    }

    /* DSOUND: Error: Invalid caps pointer */
    rc=IDirectSoundBuffer_GetCaps(dsbo,0);
    ok(rc==DSERR_INVALIDPARAM,"IDirectSoundBuffer_GetCaps() should have "
       "returned DSERR_INVALIDPARAM, returned: %s\n",DXGetErrorString8(rc));

    ZeroMemory(&dsbcaps, sizeof(dsbcaps));

    /* DSOUND: Error: Invalid caps pointer */
    rc=IDirectSoundBuffer_GetCaps(dsbo,&dsbcaps);
    ok(rc==DSERR_INVALIDPARAM,"IDirectSoundBuffer_GetCaps() should have "
       "returned DSERR_INVALIDPARAM, returned: %s\n",DXGetErrorString8(rc));