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Diffstat (limited to 'xvmc/intel_xvmc.c')
| -rw-r--r-- | xvmc/intel_xvmc.c | 1075 |
1 files changed, 1075 insertions, 0 deletions
diff --git a/xvmc/intel_xvmc.c b/xvmc/intel_xvmc.c new file mode 100644 index 00000000..1d7b6e20 --- /dev/null +++ b/xvmc/intel_xvmc.c @@ -0,0 +1,1075 @@ +/* + * Copyright © 2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Zhenyu Wang <zhenyu.z.wang@intel.com> + * + */ +#include "intel_xvmc_private.h" +#include <xcb/xcb.h> +#include <xcb/xcb_aux.h> +#include <xcb/dri2.h> +#include <X11/Xlib-xcb.h> +#include <X11/extensions/dri2tokens.h> + +/* global */ +struct _intel_xvmc_driver *xvmc_driver = NULL; + +/* Lookup tables to speed common calculations for coded_block_pattern */ +/* each block is ((8*8) * sizeof(short)) */ +unsigned int mb_bytes_420[] = { + 0, /* 0 */ + 128, /* 1 */ + 128, /* 10 */ + 256, /* 11 */ + 128, /* 100 */ + 256, /* 101 */ + 256, /* 110 */ + 384, /* 111 */ + 128, /* 1000 */ + 256, /* 1001 */ + 256, /* 1010 */ + 384, /* 1011 */ + 256, /* 1100 */ + 384, /* 1101 */ + 384, /* 1110 */ + 512, /* 1111 */ + 128, /* 10000 */ + 256, /* 10001 */ + 256, /* 10010 */ + 384, /* 10011 */ + 256, /* 10100 */ + 384, /* 10101 */ + 384, /* 10110 */ + 512, /* 10111 */ + 256, /* 11000 */ + 384, /* 11001 */ + 384, /* 11010 */ + 512, /* 11011 */ + 384, /* 11100 */ + 512, /* 11101 */ + 512, /* 11110 */ + 640, /* 11111 */ + 128, /* 100000 */ + 256, /* 100001 */ + 256, /* 100010 */ + 384, /* 100011 */ + 256, /* 100100 */ + 384, /* 100101 */ + 384, /* 100110 */ + 512, /* 100111 */ + 256, /* 101000 */ + 384, /* 101001 */ + 384, /* 101010 */ + 512, /* 101011 */ + 384, /* 101100 */ + 512, /* 101101 */ + 512, /* 101110 */ + 640, /* 101111 */ + 256, /* 110000 */ + 384, /* 110001 */ + 384, /* 110010 */ + 512, /* 110011 */ + 384, /* 110100 */ + 512, /* 110101 */ + 512, /* 110110 */ + 640, /* 110111 */ + 384, /* 111000 */ + 512, /* 111001 */ + 512, /* 111010 */ + 640, /* 111011 */ + 512, /* 111100 */ + 640, /* 111101 */ + 640, /* 111110 */ + 768 /* 111111 */ +}; + +void LOCK_HARDWARE(drm_context_t ctx) +{ + PPTHREAD_MUTEX_LOCK(); + assert(!xvmc_driver->locked); + + xvmc_driver->locked = 1; +} + +void UNLOCK_HARDWARE(drm_context_t ctx) +{ + xvmc_driver->locked = 0; + + PPTHREAD_MUTEX_UNLOCK(); +} + +static int +dri2_connect(Display *display) +{ + xcb_dri2_query_version_cookie_t query_version_cookie; + xcb_dri2_query_version_reply_t *query_version_reply; + xcb_dri2_connect_cookie_t connect_cookie; + xcb_dri2_connect_reply_t *connect_reply; + xcb_dri2_authenticate_cookie_t auth_cookie; + xcb_dri2_authenticate_reply_t *auth_reply; + xcb_screen_t *root; + xcb_connection_t *c = XGetXCBConnection(display); + drm_magic_t magic; + const xcb_query_extension_reply_t *dri2_reply; + char *device_name; + int len; + + root = xcb_aux_get_screen(c, DefaultScreen(display)); + + dri2_reply = xcb_get_extension_data(c, &xcb_dri2_id); + + if (!dri2_reply) { + XVMC_ERR("DRI2 required"); + return BadValue; + } + + /* Query the extension and make our first use of it at the same time. */ + query_version_cookie = xcb_dri2_query_version(c, 1, 0); + connect_cookie = xcb_dri2_connect(c, root->root, DRI2DriverDRI); + + query_version_reply = + xcb_dri2_query_version_reply(c, query_version_cookie, NULL); + connect_reply = xcb_dri2_connect_reply(c, connect_cookie, NULL); + + if (!query_version_reply) { + XVMC_ERR("DRI2 required"); + return BadValue; + } + free(query_version_reply); + + len = xcb_dri2_connect_device_name_length(connect_reply); + device_name = malloc(len + 1); + if (!device_name) { + XVMC_ERR("malloc failure"); + return BadAlloc; + } + strncpy(device_name, xcb_dri2_connect_device_name(connect_reply), len); + device_name[len] = 0; + xvmc_driver->fd = open(device_name, O_RDWR); + free(device_name); + free(connect_reply); + if (xvmc_driver->fd < 0) { + XVMC_ERR("Failed to open drm device: %s\n", strerror(errno)); + return BadValue; + } + + if (drmGetMagic(xvmc_driver->fd, &magic)) { + XVMC_ERR("Failed to get magic\n"); + return BadValue; + } + + auth_cookie = xcb_dri2_authenticate(c, root->root, magic); + auth_reply = xcb_dri2_authenticate_reply(c, auth_cookie, NULL); + if (!auth_reply) { + XVMC_ERR("Failed to authenticate magic %d\n", magic); + return BadValue; + } + free(auth_reply); + + return Success; +} + +/* +* Function: XvMCCreateContext +* Description: Create a XvMC context for the given surface parameters. +* Arguments: +* display - Connection to the X server. +* port - XvPortID to use as avertised by the X connection. +* surface_type_id - Unique identifier for the Surface type. +* width - Width of the surfaces. +* height - Height of the surfaces. +* flags - one or more of the following +* XVMC_DIRECT - A direct rendered context is requested. +* +* Notes: surface_type_id and width/height parameters must match those +* returned by XvMCListSurfaceTypes. +* Returns: Status +*/ +_X_EXPORT Status XvMCCreateContext(Display * display, XvPortID port, + int surface_type_id, int width, int height, + int flags, XvMCContext * context) +{ + Status ret; + CARD32 *priv_data = NULL; + struct intel_xvmc_hw_context *comm; + int major, minor; + int error_base; + int event_base; + int priv_count; + + /* Verify Obvious things first */ + if (!display || !context) + return BadValue; + + if (!(flags & XVMC_DIRECT)) { + XVMC_ERR("Indirect Rendering not supported! Using Direct."); + return BadValue; + } + + /* + Width, Height, and flags are checked against surface_type_id + and port for validity inside the X server, no need to check + here. + */ + context->surface_type_id = surface_type_id; + context->width = (unsigned short)((width + 15) & ~15); + context->height = (unsigned short)((height + 15) & ~15); + context->flags = flags; + context->port = port; + + if (!XvMCQueryExtension(display, &event_base, &error_base)) { + XVMC_ERR("XvMCExtension is not available!"); + return BadValue; + } + + ret = XvMCQueryVersion(display, &major, &minor); + if (ret) { + XVMC_ERR + ("XvMCQueryVersion Failed, unable to determine protocol version."); + return ret; + } + + /* XXX: major and minor could be checked in future for XvMC + * protocol capability (i.e H.264/AVC decode available) + */ + + /* + Pass control to the X server to create a drm_context_t for us and + validate the with/height and flags. + */ + if ((ret = + _xvmc_create_context(display, context, &priv_count, &priv_data))) { + XVMC_ERR("Unable to create XvMC Context."); + return ret; + } + + comm = (struct intel_xvmc_hw_context *)priv_data; + + if (xvmc_driver == NULL || xvmc_driver->type != comm->type) { + switch (comm->type) { + case XVMC_I915_MPEG2_MC: + xvmc_driver = &i915_xvmc_mc_driver; + break; + case XVMC_I965_MPEG2_MC: + xvmc_driver = &i965_xvmc_mc_driver; + break; + case XVMC_I965_MPEG2_VLD: + xvmc_driver = &xvmc_vld_driver; + break; + case XVMC_I945_MPEG2_VLD: + default: + XVMC_ERR("unimplemented xvmc type %d", comm->type); + XFree(priv_data); + priv_data = NULL; + return BadValue; + } + } + + if (xvmc_driver == NULL || xvmc_driver->type != comm->type) { + XVMC_ERR("fail to load xvmc driver for type %d\n", comm->type); + return BadValue; + } + + XVMC_INFO("decoder type is %s", intel_xvmc_decoder_string(comm->type)); + + /* check DRI2 */ + ret = Success; + xvmc_driver->fd = -1; + + ret = dri2_connect(display); + if (ret != Success) { + XFree(priv_data); + context->privData = NULL; + if (xvmc_driver->fd >= 0) + close(xvmc_driver->fd); + xvmc_driver = NULL; + return ret; + } + + if ((xvmc_driver->bufmgr = + intel_bufmgr_gem_init(xvmc_driver->fd, 1024 * 64)) == NULL) { + XVMC_ERR("Can't init bufmgr\n"); + return BadAlloc; + } + drm_intel_bufmgr_gem_enable_reuse(xvmc_driver->bufmgr); + + /* call driver hook. + * driver hook should free priv_data after return if success.*/ + ret = + (xvmc_driver->create_context) (display, context, priv_count, + priv_data); + if (ret) { + XVMC_ERR("driver create context failed\n"); + XFree(priv_data); + context->privData = NULL; + xvmc_driver = NULL; + return ret; + } + + pthread_mutex_init(&xvmc_driver->ctxmutex, NULL); + intelInitBatchBuffer(); + intel_xvmc_dump_open(); + + return Success; +} + +/* + * Function: XvMCDestroyContext + * Description: Destorys the specified context. + * + * Arguments: + * display - Specifies the connection to the server. + * context - The context to be destroyed. + * + */ +_X_EXPORT Status XvMCDestroyContext(Display * display, XvMCContext * context) +{ + Status ret; + int screen; + + if (!display || !context) + return XvMCBadContext; + screen = DefaultScreen(display); + ret = (xvmc_driver->destroy_context) (display, context); + if (ret) { + XVMC_ERR("destroy context fail\n"); + return ret; + } + + intelFiniBatchBuffer(); + + dri_bufmgr_destroy(xvmc_driver->bufmgr); + + ret = _xvmc_destroy_context(display, context); + if (ret != Success) { + XVMC_ERR("_xvmc_destroy_context fail\n"); + return ret; + } + + if (xvmc_driver->num_ctx == 0) { + pthread_mutex_destroy(&xvmc_driver->ctxmutex); + + if (xvmc_driver->fd >= 0) + close(xvmc_driver->fd); + + xvmc_driver->fd = -1; + intel_xvmc_dump_close(); + } + return Success; +} + +/* + * Function: XvMCCreateSurface + */ +_X_EXPORT Status XvMCCreateSurface(Display * display, XvMCContext * context, + XvMCSurface * surface) +{ + Status ret; + int priv_count; + CARD32 *priv_data; + intel_xvmc_surface_ptr intel_surf = NULL; + struct intel_xvmc_context *intel_ctx; + + if (!display || !context) + return XvMCBadContext; + + if (!surface) + return XvMCBadSurface; + + intel_ctx = context->privData; + + if ((ret = _xvmc_create_surface(display, context, surface, + &priv_count, &priv_data))) { + XVMC_ERR("Unable to create XvMCSurface."); + return ret; + } + + XFree(priv_data); + + surface->privData = calloc(1, sizeof(struct intel_xvmc_surface)); + + if (!(intel_surf = surface->privData)) { + PPTHREAD_MUTEX_UNLOCK(); + return BadAlloc; + } + + intel_surf->bo = drm_intel_bo_alloc(xvmc_driver->bufmgr, + "surface", + intel_ctx->surface_bo_size, + GTT_PAGE_SIZE); + if (!intel_surf->bo) { + free(intel_surf); + return BadAlloc; + } + + drm_intel_bo_disable_reuse(intel_surf->bo); + + intel_surf = surface->privData; + intel_surf->context = context; + + intel_surf->image = XvCreateImage(display, context->port, + FOURCC_XVMC, + (char *) &intel_surf->gem_handle, + surface->width, surface->height); + if (!intel_surf->image) { + XVMC_ERR("Can't create XvImage for surface\n"); + free(intel_surf); + _xvmc_destroy_surface(display, surface); + return BadAlloc; + } + + return Success; +} + +/* + * Function: XvMCDestroySurface + */ +_X_EXPORT Status XvMCDestroySurface(Display * display, XvMCSurface * surface) +{ + intel_xvmc_surface_ptr intel_surf; + + if (!display || !surface) + return XvMCBadSurface; + + intel_surf = surface->privData; + if (!intel_surf) + return XvMCBadSurface; + + XFree(intel_surf->image); + if (intel_surf->gc_init) + XFreeGC(display, intel_surf->gc); + + drm_intel_bo_unreference(intel_surf->bo); + + free(intel_surf); + + _xvmc_destroy_surface(display, surface); + + return Success; +} + +/* + * Function: XvMCCreateBlocks + */ +_X_EXPORT Status XvMCCreateBlocks(Display * display, XvMCContext * context, + unsigned int num_blocks, + XvMCBlockArray * block) +{ + if (!display || !context || !num_blocks || !block) + return BadValue; + + memset(block, 0, sizeof(XvMCBlockArray)); + + if (! + (block->blocks = + (short *)malloc((num_blocks << 6) * sizeof(short)))) + return BadAlloc; + + block->num_blocks = num_blocks; + block->context_id = context->context_id; + block->privData = NULL; + + return Success; +} + +/* + * Function: XvMCDestroyBlocks + */ +_X_EXPORT Status XvMCDestroyBlocks(Display * display, XvMCBlockArray * block) +{ + if (!display || !block) + return BadValue; + + if (block->blocks) + free(block->blocks); + + block->context_id = 0; + block->num_blocks = 0; + block->blocks = NULL; + block->privData = NULL; + + return Success; +} + +/* + * Function: XvMCCreateMacroBlocks + */ +_X_EXPORT Status XvMCCreateMacroBlocks(Display * display, XvMCContext * context, + unsigned int num_blocks, + XvMCMacroBlockArray * blocks) +{ + if (!display || !context || !blocks || !num_blocks) + return BadValue; + + memset(blocks, 0, sizeof(XvMCMacroBlockArray)); + blocks->macro_blocks = + (XvMCMacroBlock *) malloc(num_blocks * sizeof(XvMCMacroBlock)); + + if (!blocks->macro_blocks) + return BadAlloc; + + blocks->num_blocks = num_blocks; + blocks->context_id = context->context_id; + blocks->privData = NULL; + + return Success; +} + +/* + * Function: XvMCDestroyMacroBlocks + */ +_X_EXPORT Status XvMCDestroyMacroBlocks(Display * display, + XvMCMacroBlockArray * block) +{ + if (!display || !block) + return BadValue; + if (block->macro_blocks) + free(block->macro_blocks); + + block->context_id = 0; + block->num_blocks = 0; + block->macro_blocks = NULL; + block->privData = NULL; + + return Success; +} + +/* + * Function: XvMCRenderSurface + * + * Description: This function does the actual HWMC. Given a list of + * macroblock structures it dispatched the hardware commands to execute + * them. + */ +_X_EXPORT Status XvMCRenderSurface(Display * display, XvMCContext * context, + unsigned int picture_structure, + XvMCSurface * target_surface, + XvMCSurface * past_surface, + XvMCSurface * future_surface, + unsigned int flags, + unsigned int num_macroblocks, + unsigned int first_macroblock, + XvMCMacroBlockArray * macroblock_array, + XvMCBlockArray * blocks) +{ + Status ret; + + if (!display || !context) { + XVMC_ERR("Invalid Display, Context or Target!"); + return XvMCBadContext; + } + if (!target_surface) + return XvMCBadSurface; + + intel_xvmc_dump_render(context, picture_structure, target_surface, + past_surface, future_surface, flags, + num_macroblocks, first_macroblock, + macroblock_array, blocks); + + ret = + (xvmc_driver->render_surface) (display, context, picture_structure, + target_surface, past_surface, + future_surface, flags, + num_macroblocks, first_macroblock, + macroblock_array, blocks); + + if (ret) { + XVMC_ERR("render surface fail\n"); + return ret; + } + return Success; +} + +/* + * Function: XvMCPutSurface + * + * Description: + * Arguments: + * display: Connection to X server + * surface: Surface to be displayed + * draw: X Drawable on which to display the surface + * srcx: X coordinate of the top left corner of the region to be + * displayed within the surface. + * srcy: Y coordinate of the top left corner of the region to be + * displayed within the surface. + * srcw: Width of the region to be displayed. + * srch: Height of the region to be displayed. + * destx: X cordinate of the top left corner of the destination region + * in the drawable coordinates. + * desty: Y cordinate of the top left corner of the destination region + * in the drawable coordinates. + * destw: Width of the destination region. + * desth: Height of the destination region. + * flags: One or more of the following. + * XVMC_TOP_FIELD - Display only the Top field of the surface. + * XVMC_BOTTOM_FIELD - Display only the Bottom Field of the surface. + * XVMC_FRAME_PICTURE - Display both fields or frame. + */ +_X_EXPORT Status XvMCPutSurface(Display * display, XvMCSurface * surface, + Drawable draw, short srcx, short srcy, + unsigned short srcw, unsigned short srch, + short destx, short desty, + unsigned short destw, unsigned short desth, + int flags) +{ + Status ret = Success; + XvMCContext *context; + intel_xvmc_surface_ptr intel_surf; + + if (!display || !surface) + return XvMCBadSurface; + + intel_surf = surface->privData; + context = intel_surf->context; + if (!context || !intel_surf) + return XvMCBadSurface; + + if (intel_surf->gc_init == FALSE) { + intel_surf->gc = XCreateGC(display, draw, 0, NULL); + intel_surf->gc_init = TRUE; + } else if (draw != intel_surf->last_draw) { + XFreeGC(display, intel_surf->gc); + intel_surf->gc = XCreateGC(display, draw, 0, NULL); + } + intel_surf->last_draw = draw; + + drm_intel_bo_flink(intel_surf->bo, &intel_surf->gem_handle); + + ret = XvPutImage(display, context->port, draw, intel_surf->gc, + intel_surf->image, srcx, srcy, srcw, srch, destx, + desty, destw, desth); + return ret; +} + +/* + * Function: XvMCSyncSurface + * Arguments: + * display - Connection to the X server + * surface - The surface to synchronize + */ +_X_EXPORT Status XvMCSyncSurface(Display * display, XvMCSurface * surface) +{ + if (!display || !surface) + return XvMCBadSurface; + + return Success; +} + +/* + * Function: XvMCFlushSurface + * Description: + * This function commits pending rendering requests to ensure that they + * wll be completed in a finite amount of time. + * Arguments: + * display - Connection to X server + * surface - Surface to flush + * Returns: Status + */ +_X_EXPORT Status XvMCFlushSurface(Display * display, XvMCSurface * surface) +{ + if (!display || !surface) + return XvMCBadSurface; + + return Success; +} + +/* + * Function: XvMCGetSurfaceStatus + * Description: + * Arguments: + * display: connection to X server + * surface: The surface to query + * stat: One of the Following + * XVMC_RENDERING - The last XvMCRenderSurface command has not + * completed. + * XVMC_DISPLAYING - The surface is currently being displayed or a + * display is pending. + */ +_X_EXPORT Status XvMCGetSurfaceStatus(Display * display, XvMCSurface * surface, + int *stat) +{ + if (!display || !surface || !stat) + return XvMCBadSurface; + + *stat = 0; + + return Success; +} + +/* + * Function: XvMCHideSurface + * Description: Stops the display of a surface. + * Arguments: + * display - Connection to the X server. + * surface - surface to be hidden. + * + * Returns: Status + */ +_X_EXPORT Status XvMCHideSurface(Display * display, XvMCSurface * surface) +{ + if (!display || !surface) + return XvMCBadSurface; + + return Success; +} + +/* + * Function: XvMCCreateSubpicture + * Description: This creates a subpicture by filling out the XvMCSubpicture + * structure passed to it and returning Success. + * Arguments: + * display - Connection to the X server. + * context - The context to create the subpicture for. + * subpicture - Pre-allocated XvMCSubpicture structure to be filled in. + * width - of subpicture + * height - of subpicture + * xvimage_id - The id describing the XvImage format. + * + * Returns: Status + */ +_X_EXPORT Status XvMCCreateSubpicture(Display * display, XvMCContext * context, + XvMCSubpicture * subpicture, + unsigned short width, + unsigned short height, int xvimage_id) +{ + XVMC_ERR("XvMCCreateSubpicture not implemented!\n"); + return BadValue; +} + +/* + * Function: XvMCClearSubpicture + * Description: Clear the area of the given subpicture to "color". + * structure passed to it and returning Success. + * Arguments: + * display - Connection to the X server. + * subpicture - Subpicture to clear. + * x, y, width, height - rectangle in the subpicture to clear. + * color - The data to file the rectangle with. + * + * Returns: Status + */ +_X_EXPORT Status XvMCClearSubpicture(Display * display, + XvMCSubpicture * subpicture, short x, + short y, unsigned short width, + unsigned short height, unsigned int color) +{ + XVMC_ERR("XvMCClearSubpicture not implemented!"); + return BadValue; +} + +/* + * Function: XvMCCompositeSubpicture + * Description: Composite the XvImae on the subpicture. This composit uses + * non-premultiplied alpha. Destination alpha is utilized + * except for with indexed subpictures. Indexed subpictures + * use a simple "replace". + * Arguments: + * display - Connection to the X server. + * subpicture - Subpicture to clear. + * image - the XvImage to be used as the source of the composite. + * srcx, srcy, width, height - The rectangle from the image to be used. + * dstx, dsty - location in the subpicture to composite the source. + * + * Returns: Status + */ +_X_EXPORT Status XvMCCompositeSubpicture(Display * display, + XvMCSubpicture * subpicture, + XvImage * image, short srcx, + short srcy, unsigned short width, + unsigned short height, short dstx, + short dsty) +{ + XVMC_ERR("XvMCCompositeSubpicture not implemented!"); + return BadValue; +} + +/* + * Function: XvMCDestroySubpicture + * Description: Destroys the specified subpicture. + * Arguments: + * display - Connection to the X server. + * subpicture - Subpicture to be destroyed. + * + * Returns: Status + */ +_X_EXPORT Status XvMCDestroySubpicture(Display * display, + XvMCSubpicture * subpicture) +{ + XVMC_ERR("XvMCDestroySubpicture not implemented!"); + return BadValue; +} + +/* + * Function: XvMCSetSubpicturePalette + * Description: Set the subpictures palette + * Arguments: + * display - Connection to the X server. + * subpicture - Subpiture to set palette for. + * palette - A pointer to an array holding the palette data. The array + * is num_palette_entries * entry_bytes in size. + * Returns: Status + */ +_X_EXPORT Status XvMCSetSubpicturePalette(Display * display, + XvMCSubpicture * subpicture, + unsigned char *palette) +{ + XVMC_ERR("XvMCSetSubpicturePalette not implemented!"); + return BadValue; +} + +/* + * Function: XvMCBlendSubpicture + * Description: + * The behavior of this function is different depending on whether + * or not the XVMC_BACKEND_SUBPICTURE flag is set in the XvMCSurfaceInfo. + * i915 only support frontend behavior. + * + * XVMC_BACKEND_SUBPICTURE not set ("frontend" behavior): + * + * XvMCBlendSubpicture is a no-op in this case. + * + * Arguments: + * display - Connection to the X server. + * subpicture - The subpicture to be blended into the video. + * target_surface - The surface to be displayed with the blended subpic. + * source_surface - Source surface prior to blending. + * subx, suby, subw, subh - The rectangle from the subpicture to use. + * surfx, surfy, surfw, surfh - The rectangle in the surface to blend + * blend the subpicture rectangle into. Scaling can ocure if + * XVMC_SUBPICTURE_INDEPENDENT_SCALING is set. + * + * Returns: Status + */ +_X_EXPORT Status XvMCBlendSubpicture(Display * display, + XvMCSurface * target_surface, + XvMCSubpicture * subpicture, short subx, + short suby, unsigned short subw, + unsigned short subh, short surfx, + short surfy, unsigned short surfw, + unsigned short surfh) +{ + XVMC_ERR("XvMCBlendSubpicture not implemented!"); + return BadValue; +} + +/* + * Function: XvMCBlendSubpicture2 + * Description: + * The behavior of this function is different depending on whether + * or not the XVMC_BACKEND_SUBPICTURE flag is set in the XvMCSurfaceInfo. + * i915 only supports frontend blending. + * + * XVMC_BACKEND_SUBPICTURE not set ("frontend" behavior): + * + * XvMCBlendSubpicture2 blends the source_surface and subpicture and + * puts it in the target_surface. This does not effect the status of + * the source surface but will cause the target_surface to query + * XVMC_RENDERING until the blend is completed. + * + * Arguments: + * display - Connection to the X server. + * subpicture - The subpicture to be blended into the video. + * target_surface - The surface to be displayed with the blended subpic. + * source_surface - Source surface prior to blending. + * subx, suby, subw, subh - The rectangle from the subpicture to use. + * surfx, surfy, surfw, surfh - The rectangle in the surface to blend + * blend the subpicture rectangle into. Scaling can ocure if + * XVMC_SUBPICTURE_INDEPENDENT_SCALING is set. + * + * Returns: Status + */ +_X_EXPORT Status XvMCBlendSubpicture2(Display * display, + XvMCSurface * source_surface, + XvMCSurface * target_surface, + XvMCSubpicture * subpicture, + short subx, short suby, + unsigned short subw, unsigned short subh, + short surfx, short surfy, + unsigned short surfw, + unsigned short surfh) +{ + XVMC_ERR("XvMCBlendSubpicture2 not implemented!"); + return BadValue; +} + +/* + * Function: XvMCSyncSubpicture + * Description: This function blocks until all composite/clear requests on + * the subpicture have been complete. + * Arguments: + * display - Connection to the X server. + * subpicture - The subpicture to synchronize + * + * Returns: Status + */ +_X_EXPORT Status XvMCSyncSubpicture(Display * display, + XvMCSubpicture * subpicture) +{ + XVMC_ERR("XvMCSyncSubpicture not implemented!"); + return BadValue; +} + +/* + * Function: XvMCFlushSubpicture + * Description: This function commits pending composite/clear requests to + * ensure that they will be completed in a finite amount of + * time. + * Arguments: + * display - Connection to the X server. + * subpicture - The subpicture whos compsiting should be flushed + * + * Returns: Status + */ +_X_EXPORT Status XvMCFlushSubpicture(Display * display, + XvMCSubpicture * subpicture) +{ + XVMC_ERR("XvMCFlushSubpicture not implemented!"); + return BadValue; +} + +/* + * Function: XvMCGetSubpictureStatus + * Description: This function gets the current status of a subpicture + * + * Arguments: + * display - Connection to the X server. + * subpicture - The subpicture whos status is being queried + * stat - The status of the subpicture. It can be any of the following + * OR'd together: + * XVMC_RENDERING - Last composite or clear request not completed + * XVMC_DISPLAYING - Suppicture currently being displayed. + * + * Returns: Status + */ +_X_EXPORT Status XvMCGetSubpictureStatus(Display * display, + XvMCSubpicture * subpicture, int *stat) +{ + XVMC_ERR("XvMCGetSubpictureStatus not implemented!"); + return BadValue; +} + +/* + * Function: XvMCQueryAttributes + * Description: An array of XvAttributes of size "number" is returned by + * this function. If there are no attributes, NULL is returned and number + * is set to 0. The array may be freed with free(). + * + * Arguments: + * display - Connection to the X server. + * context - The context whos attributes we are querying. + * number - The returned number of recognized atoms + * + * Returns: + * An array of XvAttributes. + */ +_X_EXPORT XvAttribute *XvMCQueryAttributes(Display * display, + XvMCContext * context, int *number) +{ + /* now XvMC has no extra attribs than Xv */ + *number = 0; + return NULL; +} + +/* + * Function: XvMCSetAttribute + * Description: This function sets a context-specific attribute. + * + * Arguments: + * display - Connection to the X server. + * context - The context whos attributes we are querying. + * attribute - The X atom of the attribute to be changed. + * value - The new value for the attribute. + * + * Returns: + * Status + */ +_X_EXPORT Status XvMCSetAttribute(Display * display, XvMCContext * context, + Atom attribute, int value) +{ + return Success; +} + +/* + * Function: XvMCGetAttribute + * Description: This function queries a context-specific attribute and + * returns the value. + * + * Arguments: + * display - Connection to the X server. + * context - The context whos attributes we are querying. + * attribute - The X atom of the attribute to be queried + * value - The returned attribute value + * + * Returns: + * Status + */ +_X_EXPORT Status XvMCGetAttribute(Display * display, XvMCContext * context, + Atom attribute, int *value) +{ + return Success; +} + +_X_EXPORT Status XvMCBeginSurface(Display * display, XvMCContext * context, + XvMCSurface * target, + XvMCSurface * past, + XvMCSurface * future, + const XvMCMpegControl * control) +{ + if (xvmc_driver->begin_surface(display, context, + target, past, future, control)) { + XVMC_ERR("BeginSurface fail\n"); + return BadValue; + } + return Success; +} + +_X_EXPORT Status XvMCLoadQMatrix(Display * display, XvMCContext * context, + const XvMCQMatrix * qmx) +{ + if (xvmc_driver->load_qmatrix(display, context, qmx)) { + XVMC_ERR("LoadQMatrix fail\n"); + return BadValue; + } + return Success; +} + +_X_EXPORT Status XvMCPutSlice(Display * display, XvMCContext * context, + char *slice, int nbytes) +{ + if (xvmc_driver->put_slice(display, context, (unsigned char *) slice, nbytes)) { + XVMC_ERR("PutSlice fail\n"); + return BadValue; + } + return Success; +} + +_X_EXPORT Status XvMCPutSlice2(Display * display, XvMCContext * context, + char *slice, int nbytes, int slice_code) +{ + if (xvmc_driver->put_slice2 + (display, context, (unsigned char *) slice, nbytes, slice_code)) { + XVMC_ERR("PutSlice2 fail\n"); + return BadValue; + } + return Success; +} |