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view src/video/photon/SDL_phyuv.c @ 2825:620a91b6d263

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Date: Tue, 02 Dec 2008 23:38:26 +0100 From: Couriersud Subject: Re: SDL: Keyboard layout unknown I have attached a diff which will add an additional keyboard layout to the x11 driver. The issue arose, when I moved to ubuntu intrepid. I was only able to map the keys available on my keyboard. The differences to the existing keyboard was the mapping of HOME,UP,DOWN and some other keys. Now only one issue remains. Dead keys (e.g. ^, ` ') on european keyboards do not generate a "scancode" event. Just a text event when the key is composed (e.g. ?? ?? ??).
author Sam Lantinga <slouken@libsdl.org>
date Wed, 03 Dec 2008 04:32:24 +0000
parents 204be4fc2726
children 99210400e8b9
line wrap: on
line source

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2006 Sam Lantinga

    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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

/* This is the QNX Realtime Platform version of SDL YUV video overlays */

#include <errno.h>

#include <Ph.h>
#include <Pt.h>

#include "SDL_video.h"
#include "SDL_phyuv_c.h"
#include "../SDL_yuvfuncs.h"

#define OVERLAY_STATE_UNINIT 0
#define OVERLAY_STATE_ACTIVE 1

/* The functions are used to manipulate software video overlays */
static struct private_yuvhwfuncs ph_yuvfuncs = {
    ph_LockYUVOverlay,
    ph_UnlockYUVOverlay,
    ph_DisplayYUVOverlay,
    ph_FreeYUVOverlay
};

int
grab_ptrs2(PgVideoChannel_t * channel, FRAMEDATA * Frame0, FRAMEDATA * Frame1)
{
    int planes = 0;

    /* Buffers have moved; re-obtain the pointers */
    Frame0->Y = (unsigned char *) PdGetOffscreenContextPtr(channel->yplane1);
    Frame1->Y = (unsigned char *) PdGetOffscreenContextPtr(channel->yplane2);
    Frame0->U = (unsigned char *) PdGetOffscreenContextPtr(channel->vplane1);
    Frame1->U = (unsigned char *) PdGetOffscreenContextPtr(channel->vplane2);
    Frame0->V = (unsigned char *) PdGetOffscreenContextPtr(channel->uplane1);
    Frame1->V = (unsigned char *) PdGetOffscreenContextPtr(channel->uplane2);

    if (Frame0->Y)
        planes++;

    if (Frame0->U)
        planes++;

    if (Frame0->V)
        planes++;

    return planes;
}

SDL_Overlay *
ph_CreateYUVOverlay(_THIS, int width, int height, Uint32 format,
                    SDL_Surface * display)
{
    SDL_Overlay *overlay;
    struct private_yuvhwdata *hwdata;
    int vidport;
    int rtncode;
    int planes;
    int i = 0;
    PhPoint_t pos;

    /* Create the overlay structure */
    overlay = SDL_calloc(1, sizeof(SDL_Overlay));

    if (overlay == NULL) {
        SDL_OutOfMemory();
        return NULL;
    }

    /* Fill in the basic members */
    overlay->format = format;
    overlay->w = width;
    overlay->h = height;
    overlay->hwdata = NULL;

    /* Set up the YUV surface function structure */
    overlay->hwfuncs = &ph_yuvfuncs;

    /* Create the pixel data and lookup tables */
    hwdata = SDL_calloc(1, sizeof(struct private_yuvhwdata));

    if (hwdata == NULL) {
        SDL_OutOfMemory();
        SDL_FreeYUVOverlay(overlay);
        return NULL;
    }

    overlay->hwdata = hwdata;

    PhDCSetCurrent(0);
    if (overlay->hwdata->channel == NULL) {
        if ((overlay->hwdata->channel =
             PgCreateVideoChannel(Pg_VIDEO_CHANNEL_SCALER, 0)) == NULL) {
            SDL_SetError
                ("ph_CreateYUVOverlay(): Create channel failed: %s\n",
                 strerror(errno));
            SDL_FreeYUVOverlay(overlay);
            return NULL;

        }
    }

    overlay->hwdata->forcedredraw = 0;

    PtGetAbsPosition(window, &pos.x, &pos.y);
    overlay->hwdata->CurrentWindowPos.x = pos.x;
    overlay->hwdata->CurrentWindowPos.y = pos.y;
    overlay->hwdata->CurrentViewPort.pos.x = 0;
    overlay->hwdata->CurrentViewPort.pos.y = 0;
    overlay->hwdata->CurrentViewPort.size.w = width;
    overlay->hwdata->CurrentViewPort.size.h = height;
    overlay->hwdata->State = OVERLAY_STATE_UNINIT;
    overlay->hwdata->FrameData0 =
        (FRAMEDATA *) SDL_calloc(1, sizeof(FRAMEDATA));
    overlay->hwdata->FrameData1 =
        (FRAMEDATA *) SDL_calloc(1, sizeof(FRAMEDATA));

    vidport = -1;
    i = 0;

    overlay->hwdata->ischromakey = 0;

    do {
        SDL_memset(&overlay->hwdata->caps, 0x00, sizeof(PgScalerCaps_t));
        overlay->hwdata->caps.size = sizeof(PgScalerCaps_t);
        rtncode =
            PgGetScalerCapabilities(overlay->hwdata->channel, i,
                                    &overlay->hwdata->caps);
        if (rtncode == 0) {
            if (overlay->hwdata->caps.format == format) {
                if ((overlay->hwdata->
                     caps.flags & Pg_SCALER_CAP_DST_CHROMA_KEY) ==
                    Pg_SCALER_CAP_DST_CHROMA_KEY) {
                    overlay->hwdata->ischromakey = 1;
                }
                vidport = 1;
                break;
            }
        } else {
            break;
        }
        i++;
    } while (1);


    if (vidport == -1) {
        SDL_SetError("No available video ports for requested format\n");
        SDL_FreeYUVOverlay(overlay);
        return NULL;
    }

    overlay->hwdata->format = format;
    overlay->hwdata->props.format = format;
    overlay->hwdata->props.size = sizeof(PgScalerProps_t);
    overlay->hwdata->props.src_dim.w = width;
    overlay->hwdata->props.src_dim.h = height;

    /* overlay->hwdata->chromakey = PgGetOverlayChromaColor(); */
    overlay->hwdata->chromakey = PgRGB(12, 6, 12);      /* very dark pink color */
    overlay->hwdata->props.color_key = overlay->hwdata->chromakey;

    PhAreaToRect(&overlay->hwdata->CurrentViewPort,
                 &overlay->hwdata->props.viewport);

    overlay->hwdata->props.flags = Pg_SCALER_PROP_DOUBLE_BUFFER;

    if ((overlay->hwdata->ischromakey) && (overlay->hwdata->chromakey)) {
        overlay->hwdata->props.flags |= Pg_SCALER_PROP_CHROMA_ENABLE;
        overlay->hwdata->props.flags |=
            Pg_SCALER_PROP_CHROMA_SPECIFY_KEY_MASK;
    } else {
        overlay->hwdata->props.flags &= ~Pg_SCALER_PROP_CHROMA_ENABLE;
    }

    rtncode =
        PgConfigScalerChannel(overlay->hwdata->channel,
                              &overlay->hwdata->props);

    switch (rtncode) {
    case -1:
        SDL_SetError("PgConfigScalerChannel failed\n");
        SDL_FreeYUVOverlay(overlay);
        return NULL;
    case 1:
    case 0:
    default:
        break;
    }

    planes =
        grab_ptrs2(overlay->hwdata->channel, overlay->hwdata->FrameData0,
                   overlay->hwdata->FrameData1);

    if (overlay->hwdata->channel->yplane1 != NULL)
        overlay->hwdata->YStride = overlay->hwdata->channel->yplane1->pitch;
    if (overlay->hwdata->channel->vplane1 != NULL)
        overlay->hwdata->UStride = overlay->hwdata->channel->vplane1->pitch;
    if (overlay->hwdata->channel->uplane1 != NULL)
        overlay->hwdata->VStride = overlay->hwdata->channel->uplane1->pitch;

    /* check for the validness of all planes */
    if ((overlay->hwdata->channel->yplane1 == NULL) &&
        (overlay->hwdata->channel->uplane1 == NULL) &&
        (overlay->hwdata->channel->vplane1 == NULL)) {
        SDL_FreeYUVOverlay(overlay);
        SDL_SetError("PgConfigScaler() returns all planes equal NULL\n");
        return NULL;
    }
/*
    overlay->hwdata->current = PgNextVideoFrame(overlay->hwdata->channel);

    if (overlay->hwdata->current==0)
    {
        overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0;
    }
    else
    {
        overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData1;
    }
*/
    overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0;

/*
    overlay->hwdata->locked = 1;
*/

    /* Find the pitch and offset values for the overlay */
    overlay->planes = planes;
    overlay->pitches = SDL_calloc(overlay->planes, sizeof(Uint16));
    overlay->pixels = SDL_calloc(overlay->planes, sizeof(Uint8 *));
    if (!overlay->pitches || !overlay->pixels) {
        SDL_OutOfMemory();
        SDL_FreeYUVOverlay(overlay);
        return (NULL);
    }

    if (overlay->planes > 0) {
        overlay->pitches[0] = overlay->hwdata->channel->yplane1->pitch;
        overlay->pixels[0] = overlay->hwdata->CurrentFrameData->Y;
    }
    if (overlay->planes > 1) {
        overlay->pitches[1] = overlay->hwdata->channel->vplane1->pitch;
        overlay->pixels[1] = overlay->hwdata->CurrentFrameData->U;
    }
    if (overlay->planes > 2) {
        overlay->pitches[2] = overlay->hwdata->channel->uplane1->pitch;
        overlay->pixels[2] = overlay->hwdata->CurrentFrameData->V;
    }

    overlay->hwdata->State = OVERLAY_STATE_ACTIVE;
    overlay->hwdata->scaler_on = 0;
    overlay->hw_overlay = 1;

    current_overlay = overlay;

    return overlay;
}

int
ph_LockYUVOverlay(_THIS, SDL_Overlay * overlay)
{
    if (overlay == NULL) {
        return -1;
    }

    overlay->hwdata->locked = 1;

/*  overlay->hwdata->current = PgNextVideoFrame(overlay->hwdata->channel);
    if (overlay->hwdata->current == -1)
    {
        SDL_SetError("ph_LockYUVOverlay: PgNextFrame() failed, bailing out\n");
        SDL_FreeYUVOverlay(overlay);
        return 0;
    }

    if (overlay->hwdata->current == 0)
    {
        overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0;
    }
    else
    {
        overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData1;
    }

    if (overlay->planes > 0)
    {
        overlay->pitches[0] = overlay->hwdata->channel->yplane1->pitch;
        overlay->pixels[0]  = overlay->hwdata->CurrentFrameData->Y;
    }
    if (overlay->planes > 1)
    {
        overlay->pitches[1] = overlay->hwdata->channel->uplane1->pitch;
        overlay->pixels[1]  = overlay->hwdata->CurrentFrameData->U;
    }
    if (overlay->planes > 2)
    {
        overlay->pitches[2] = overlay->hwdata->channel->vplane1->pitch;
        overlay->pixels[2]  = overlay->hwdata->CurrentFrameData->V;
    }
*/

    return (0);
}

void
ph_UnlockYUVOverlay(_THIS, SDL_Overlay * overlay)
{
    if (overlay == NULL) {
        return;
    }

    overlay->hwdata->locked = 0;
}

int
ph_DisplayYUVOverlay(_THIS, SDL_Overlay * overlay, SDL_Rect * src,
                     SDL_Rect * dst)
{
    int rtncode;
    PhPoint_t pos;
    SDL_Rect backrect;
    PhRect_t windowextent;
    int winchanged = 0;

    if ((overlay == NULL) || (overlay->hwdata == NULL)) {
        return -1;
    }

    if (overlay->hwdata->State == OVERLAY_STATE_UNINIT) {
        return -1;
    }

    PtGetAbsPosition(window, &pos.x, &pos.y);
    if ((pos.x != overlay->hwdata->CurrentWindowPos.x) ||
        (pos.y != overlay->hwdata->CurrentWindowPos.y)) {
        winchanged = 1;
        overlay->hwdata->CurrentWindowPos.x = pos.x;
        overlay->hwdata->CurrentWindowPos.y = pos.y;
    }

    /* If CurrentViewPort position/size has been changed, then move/resize the viewport */
    if ((overlay->hwdata->CurrentViewPort.pos.x != dst->x) ||
        (overlay->hwdata->CurrentViewPort.pos.y != dst->y) ||
        (overlay->hwdata->CurrentViewPort.size.w != dst->w) ||
        (overlay->hwdata->CurrentViewPort.size.h != dst->h) ||
        (overlay->hwdata->scaler_on == 0) || (winchanged == 1) ||
        (overlay->hwdata->forcedredraw == 1)) {

        if (overlay->hwdata->ischromakey == 1) {
            /* restore screen behind the overlay/chroma color. */
            backrect.x = overlay->hwdata->CurrentViewPort.pos.x;
            backrect.y = overlay->hwdata->CurrentViewPort.pos.y;
            backrect.w = overlay->hwdata->CurrentViewPort.size.w;
            backrect.h = overlay->hwdata->CurrentViewPort.size.h;
            this->UpdateRects(this, 1, &backrect);

            /* Draw the new rectangle of the chroma color at the viewport position */
            PgSetFillColor(overlay->hwdata->chromakey);
            PgDrawIRect(dst->x, dst->y, dst->x + dst->w - 1,
                        dst->y + dst->h - 1, Pg_DRAW_FILL);
            PgFlush();
        }

        overlay->hwdata->props.flags |= Pg_SCALER_PROP_SCALER_ENABLE;
        overlay->hwdata->scaler_on = 1;

        PhWindowQueryVisible(Ph_QUERY_CONSOLE, 0, PtWidgetRid(window),
                             &windowextent);
        overlay->hwdata->CurrentViewPort.pos.x =
            pos.x - windowextent.ul.x + dst->x;
        overlay->hwdata->CurrentViewPort.pos.y =
            pos.y - windowextent.ul.y + dst->y;
        overlay->hwdata->CurrentViewPort.size.w = dst->w;
        overlay->hwdata->CurrentViewPort.size.h = dst->h;
        PhAreaToRect(&overlay->hwdata->CurrentViewPort,
                     &overlay->hwdata->props.viewport);
        overlay->hwdata->CurrentViewPort.pos.x = dst->x;
        overlay->hwdata->CurrentViewPort.pos.y = dst->y;

        rtncode =
            PgConfigScalerChannel(overlay->hwdata->channel,
                                  &(overlay->hwdata->props));

        switch (rtncode) {
        case -1:
            SDL_SetError("PgConfigScalerChannel() function failed\n");
            SDL_FreeYUVOverlay(overlay);
            return -1;
        case 1:
            grab_ptrs2(overlay->hwdata->channel,
                       overlay->hwdata->FrameData0,
                       overlay->hwdata->FrameData1);
            break;
        case 0:
        default:
            break;
        }
    }


/*
    if (overlay->hwdata->locked==0)
    {
        overlay->hwdata->current = PgNextVideoFrame(overlay->hwdata->channel);
        if (overlay->hwdata->current == -1)
        {
            SDL_SetError("ph_LockYUVOverlay: PgNextFrame() failed, bailing out\n");
            SDL_FreeYUVOverlay(overlay);
            return 0;
        }

        if (overlay->hwdata->current == 0)
        {
            overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0;
        }
        else
        {
            overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData1;
        }

        if (overlay->planes > 0)
        {
            overlay->pitches[0] = overlay->hwdata->channel->yplane1->pitch;
            overlay->pixels[0]  = overlay->hwdata->CurrentFrameData->Y;
        }
        if (overlay->planes > 1)
        {
            overlay->pitches[1] = overlay->hwdata->channel->uplane1->pitch;
            overlay->pixels[1]  = overlay->hwdata->CurrentFrameData->U;
        }
        if (overlay->planes > 2)
        {
            overlay->pitches[2] = overlay->hwdata->channel->vplane1->pitch;
            overlay->pixels[2]  = overlay->hwdata->CurrentFrameData->V;
        }
    }
*/

    return 0;
}

void
ph_FreeYUVOverlay(_THIS, SDL_Overlay * overlay)
{
    SDL_Rect backrect;

    if (overlay == NULL) {
        return;
    }

    if (overlay->hwdata == NULL) {
        return;
    }

    current_overlay = NULL;

    /* restore screen behind the overlay/chroma color. */
    backrect.x = overlay->hwdata->CurrentViewPort.pos.x;
    backrect.y = overlay->hwdata->CurrentViewPort.pos.y;
    backrect.w = overlay->hwdata->CurrentViewPort.size.w;
    backrect.h = overlay->hwdata->CurrentViewPort.size.h;
    this->UpdateRects(this, 1, &backrect);

    /* it is need for some buggy drivers, that can't hide overlay before */
    /* freeing buffer, so we got trash on the srceen                     */
    overlay->hwdata->props.flags &= ~Pg_SCALER_PROP_SCALER_ENABLE;
    PgConfigScalerChannel(overlay->hwdata->channel,
                          &(overlay->hwdata->props));

    overlay->hwdata->scaler_on = 0;
    overlay->hwdata->State = OVERLAY_STATE_UNINIT;

    if (overlay->hwdata->channel != NULL) {
        PgDestroyVideoChannel(overlay->hwdata->channel);
        overlay->hwdata->channel = NULL;
        return;
    }

    overlay->hwdata->CurrentFrameData = NULL;

    SDL_free(overlay->hwdata->FrameData0);
    SDL_free(overlay->hwdata->FrameData1);
    overlay->hwdata->FrameData0 = NULL;
    overlay->hwdata->FrameData1 = NULL;
    SDL_free(overlay->hwdata);
}

/* vi: set ts=4 sw=4 expandtab: */