src/gallium/state_trackers/xorg/xvmc/context.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 Younes Manton.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include <assert.h>
  29
  30 #include <X11/Xlibint.h>
  31 #include <X11/extensions/XvMClib.h>
  32
  33 #include <pipe/p_screen.h>
  34 #include <pipe/p_video_decoder.h>
  35 #include <pipe/p_video_state.h>
  36 #include <pipe/p_state.h>
  37
  38 #include <util/u_memory.h>
  39
  40 #include <vl/vl_csc.h>
  41 #include <vl_winsys.h>
  42
  43 #include "xvmc_private.h"
  44
  45 static Status Validate(Display *dpy, XvPortID port, int surface_type_id,
  46                        unsigned int width, unsigned int height, int flags,
  47                        bool *found_port, int *screen, int *chroma_format,
  48                        int *mc_type, int *surface_flags,
  49                        unsigned short *subpic_max_w,
  50                        unsigned short *subpic_max_h)
  51 {
  52    bool found_surface = false;
  53    XvAdaptorInfo *adaptor_info;
  54    unsigned int num_adaptors;
  55    int num_types;
  56    unsigned int max_width = 0, max_height = 0;
  57    Status ret;
  58
  59    assert(dpy);
  60    assert(found_port);
  61    assert(screen);
  62    assert(chroma_format);
  63    assert(mc_type);
  64    assert(surface_flags);
  65    assert(subpic_max_w);
  66    assert(subpic_max_h);
  67
  68    *found_port = false;
  69
  70    for (unsigned int i = 0; i < XScreenCount(dpy); ++i) {
  71       ret = XvQueryAdaptors(dpy, XRootWindow(dpy, i), &num_adaptors, &adaptor_info);
  72       if (ret != Success)
  73          return ret;
  74
  75       for (unsigned int j = 0; j < num_adaptors && !*found_port; ++j) {
  76          for (unsigned int k = 0; k < adaptor_info[j].num_ports && !*found_port; ++k) {
  77             XvMCSurfaceInfo *surface_info;
  78
  79             if (adaptor_info[j].base_id + k != port)
  80                continue;
  81
  82             *found_port = true;
  83
  84             surface_info = XvMCListSurfaceTypes(dpy, adaptor_info[j].base_id, &num_types);
  85             if (!surface_info) {
  86                XvFreeAdaptorInfo(adaptor_info);
  87                return BadAlloc;
  88             }
  89
  90             for (unsigned int l = 0; l < num_types && !found_surface; ++l) {
  91                if (surface_info[l].surface_type_id != surface_type_id)
  92                   continue;
  93
  94                found_surface = true;
  95                max_width = surface_info[l].max_width;
  96                max_height = surface_info[l].max_height;
  97                *chroma_format = surface_info[l].chroma_format;
  98                *mc_type = surface_info[l].mc_type;
  99                *surface_flags = surface_info[l].flags;
 100                *subpic_max_w = surface_info[l].subpicture_max_width;
 101                *subpic_max_h = surface_info[l].subpicture_max_height;
 102                *screen = i;
 103
 104                XVMC_MSG(XVMC_TRACE, "[XvMC] Found requested context surface format.\n" \
 105                                     "[XvMC]   screen=%u, port=%u\n" \
 106                                     "[XvMC]   id=0x%08X\n" \
 107                                     "[XvMC]   max width=%u, max height=%u\n" \
 108                                     "[XvMC]   chroma format=0x%08X\n" \
 109                                     "[XvMC]   acceleration level=0x%08X\n" \
 110                                     "[XvMC]   flags=0x%08X\n" \
 111                                     "[XvMC]   subpicture max width=%u, max height=%u\n",
 112                                     i, port, surface_type_id, max_width, max_height, *chroma_format,
 113                                     *mc_type, *surface_flags, *subpic_max_w, *subpic_max_h);
 114             }
 115
 116             XFree(surface_info);
 117          }
 118       }
 119
 120       XvFreeAdaptorInfo(adaptor_info);
 121    }
 122
 123    if (!*found_port) {
 124       XVMC_MSG(XVMC_ERR, "[XvMC] Could not find a suitable port.\n");
 125       return XvBadPort;
 126    }
 127    if (!found_surface) {
 128       XVMC_MSG(XVMC_ERR, "[XvMC] Could not find a suitable surface.\n");
 129       return BadMatch;
 130    }
 131    if (width > max_width || height > max_height) {
 132       XVMC_MSG(XVMC_ERR, "[XvMC] Requested context dimensions (w=%u,h=%u) too large (max w=%u,h=%u).\n",
 133                width, height, max_width, max_height);
 134       return BadValue;
 135    }
 136    if (flags != XVMC_DIRECT && flags != 0) {
 137       XVMC_MSG(XVMC_ERR, "[XvMC] Invalid context flags 0x%08X.\n", flags);
 138       return BadValue;
 139    }
 140
 141    return Success;
 142 }
 143
 144 static enum pipe_video_profile ProfileToPipe(int xvmc_profile)
 145 {
 146    if (xvmc_profile & XVMC_MPEG_1)
 147       assert(0);
 148    if (xvmc_profile & XVMC_MPEG_2)
 149       return PIPE_VIDEO_PROFILE_MPEG2_MAIN;
 150    if (xvmc_profile & XVMC_H263)
 151       assert(0);
 152    if (xvmc_profile & XVMC_MPEG_4)
 153       assert(0);
 154
 155    assert(0);
 156
 157    XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized profile 0x%08X.\n", xvmc_profile);
 158
 159    return -1;
 160 }
 161
 162 static enum pipe_video_chroma_format FormatToPipe(int xvmc_format)
 163 {
 164    switch (xvmc_format) {
 165       case XVMC_CHROMA_FORMAT_420:
 166          return PIPE_VIDEO_CHROMA_FORMAT_420;
 167       case XVMC_CHROMA_FORMAT_422:
 168          return PIPE_VIDEO_CHROMA_FORMAT_422;
 169       case XVMC_CHROMA_FORMAT_444:
 170          return PIPE_VIDEO_CHROMA_FORMAT_444;
 171       default:
 172          assert(0);
 173    }
 174
 175    XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized format 0x%08X.\n", xvmc_format);
 176
 177    return -1;
 178 }
 179
 180 PUBLIC
 181 Status XvMCCreateContext(Display *dpy, XvPortID port, int surface_type_id,
 182                          int width, int height, int flags, XvMCContext *context)
 183 {
 184    bool found_port;
 185    int scrn = 0;
 186    int chroma_format = 0;
 187    int mc_type = 0;
 188    int surface_flags = 0;
 189    unsigned short subpic_max_w = 0;
 190    unsigned short subpic_max_h = 0;
 191    Status ret;
 192    struct vl_screen *vscreen;
 193    struct vl_context *vctx;
 194    XvMCContextPrivate *context_priv;
 195    float csc[16];
 196
 197    XVMC_MSG(XVMC_TRACE, "[XvMC] Creating context %p.\n", context);
 198
 199    assert(dpy);
 200
 201    if (!context)
 202       return XvMCBadContext;
 203
 204    ret = Validate(dpy, port, surface_type_id, width, height, flags,
 205                   &found_port, &scrn, &chroma_format, &mc_type, &surface_flags,
 206                   &subpic_max_w, &subpic_max_h);
 207
 208    /* Success and XvBadPort have the same value */
 209    if (ret != Success || !found_port)
 210       return ret;
 211
 212    /* XXX: Current limits */
 213    if (chroma_format != XVMC_CHROMA_FORMAT_420) {
 214       XVMC_MSG(XVMC_ERR, "[XvMC] Cannot decode requested surface type. Unsupported chroma format.\n");
 215       return BadImplementation;
 216    }
 217    if ((mc_type & ~XVMC_IDCT) != (XVMC_MOCOMP | XVMC_MPEG_2)) {
 218       XVMC_MSG(XVMC_ERR, "[XvMC] Cannot decode requested surface type. Non-MPEG2/Mocomp/iDCT acceleration unsupported.\n");
 219       return BadImplementation;
 220    }
 221    if (surface_flags & XVMC_INTRA_UNSIGNED) {
 222       XVMC_MSG(XVMC_ERR, "[XvMC] Cannot decode requested surface type. Unsigned intra unsupported.\n");
 223       return BadImplementation;
 224    }
 225
 226    context_priv = CALLOC(1, sizeof(XvMCContextPrivate));
 227    if (!context_priv)
 228       return BadAlloc;
 229
 230    /* TODO: Reuse screen if process creates another context */
 231    vscreen = vl_screen_create(dpy, scrn);
 232
 233    if (!vscreen) {
 234       XVMC_MSG(XVMC_ERR, "[XvMC] Could not create VL screen.\n");
 235       FREE(context_priv);
 236       return BadAlloc;
 237    }
 238
 239    vctx = vl_video_create(vscreen);
 240    if (!vctx) {
 241       XVMC_MSG(XVMC_ERR, "[XvMC] Could not create VL context.\n");
 242       vl_screen_destroy(vscreen);
 243       FREE(context_priv);
 244       return BadAlloc;
 245    }
 246
 247    context_priv->decoder = vctx->pipe->create_video_decoder
 248    (
 249       vctx->pipe,
 250       ProfileToPipe(mc_type),
 251       (mc_type & XVMC_IDCT) ? PIPE_VIDEO_ENTRYPOINT_IDCT : PIPE_VIDEO_ENTRYPOINT_MC,
 252       FormatToPipe(chroma_format),
 253       width, height
 254    );
 255
 256    if (!context_priv->decoder) {
 257       XVMC_MSG(XVMC_ERR, "[XvMC] Could not create VL decoder.\n");
 258       vl_video_destroy(vctx);
 259       vl_screen_destroy(vscreen);
 260       FREE(context_priv);
 261       return BadAlloc;
 262    }
 263
 264    if (!vl_compositor_init(&context_priv->compositor, vctx->pipe)) {
 265       XVMC_MSG(XVMC_ERR, "[XvMC] Could not create VL compositor.\n");
 266       context_priv->decoder->destroy(context_priv->decoder);
 267       vl_video_destroy(vctx);
 268       vl_screen_destroy(vscreen);
 269       FREE(context_priv);
 270       return BadAlloc;
 271    }
 272
 273    context_priv->color_standard =
 274       debug_get_bool_option("G3DVL_NO_CSC", FALSE) ?
 275       VL_CSC_COLOR_STANDARD_IDENTITY : VL_CSC_COLOR_STANDARD_BT_601;
 276    context_priv->procamp = vl_default_procamp;
 277
 278    vl_csc_get_matrix
 279    (
 280       context_priv->color_standard,
 281       &context_priv->procamp, true, csc
 282    );
 283    vl_compositor_set_csc_matrix(&context_priv->compositor, csc);
 284
 285    context_priv->vctx = vctx;
 286    context_priv->subpicture_max_width = subpic_max_w;
 287    context_priv->subpicture_max_height = subpic_max_h;
 288
 289    context->context_id = XAllocID(dpy);
 290    context->surface_type_id = surface_type_id;
 291    context->width = width;
 292    context->height = height;
 293    context->flags = flags;
 294    context->port = port;
 295    context->privData = context_priv;
 296
 297    SyncHandle();
 298
 299    XVMC_MSG(XVMC_TRACE, "[XvMC] Context %p created.\n", context);
 300
 301    return Success;
 302 }
 303
 304 PUBLIC
 305 Status XvMCDestroyContext(Display *dpy, XvMCContext *context)
 306 {
 307    struct vl_screen *vscreen;
 308    struct vl_context *vctx;
 309    XvMCContextPrivate *context_priv;
 310
 311    XVMC_MSG(XVMC_TRACE, "[XvMC] Destroying context %p.\n", context);
 312
 313    assert(dpy);
 314
 315    if (!context || !context->privData)
 316       return XvMCBadContext;
 317
 318    context_priv = context->privData;
 319    vctx = context_priv->vctx;
 320    vscreen = vctx->vscreen;
 321    pipe_surface_reference(&context_priv->drawable_surface, NULL);
 322    context_priv->decoder->destroy(context_priv->decoder);
 323    vl_compositor_cleanup(&context_priv->compositor);
 324    vl_video_destroy(vctx);
 325    vl_screen_destroy(vscreen);
 326    FREE(context_priv);
 327    context->privData = NULL;
 328
 329    XVMC_MSG(XVMC_TRACE, "[XvMC] Context %p destroyed.\n", context);
 330
 331    return Success;
 332 }