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path: root/src/gallium/frontends/omx/vid_dec_common.c
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/**************************************************************************
 *
 * Copyright 2013 Advanced Micro Devices, Inc.
 * All Rights Reserved.
 *
 * 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, sub license, 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 NON-INFRINGEMENT.
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
 *
 **************************************************************************/

#if ENABLE_ST_OMX_TIZONIA
#include <tizkernel.h>
#endif

#include "util/u_memory.h"
#include "vl/vl_winsys.h"
#include "vl/vl_video_buffer.h"
#include "util/u_surface.h"

#include "vid_dec_common.h"
#include "vid_dec_h264_common.h"

void vid_dec_NeedTarget(vid_dec_PrivateType *priv)
{
   struct pipe_video_buffer templat = {};
   struct vl_screen *omx_screen;
   struct pipe_screen *pscreen;

   omx_screen = priv->screen;
   assert(omx_screen);

   pscreen = omx_screen->pscreen;
   assert(pscreen);

   if (!priv->target) {
      memset(&templat, 0, sizeof(templat));

      templat.width = priv->codec->width;
      templat.height = priv->codec->height;
      templat.buffer_format = pscreen->get_video_param(
            pscreen,
            PIPE_VIDEO_PROFILE_UNKNOWN,
            PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
            PIPE_VIDEO_CAP_PREFERED_FORMAT
      );
      templat.interlaced = pscreen->get_video_param(
          pscreen,
          PIPE_VIDEO_PROFILE_UNKNOWN,
          PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
          PIPE_VIDEO_CAP_PREFERS_INTERLACED
      );

      priv->target = priv->pipe->create_video_buffer(priv->pipe, &templat);
   }
}

void vid_dec_FillOutput(vid_dec_PrivateType *priv, struct pipe_video_buffer *buf,
                        OMX_BUFFERHEADERTYPE* output)
{
#if ENABLE_ST_OMX_TIZONIA
   tiz_port_t *out_port = tiz_krn_get_port(tiz_get_krn(handleOf(priv)),
                                           OMX_VID_DEC_AVC_OUTPUT_PORT_INDEX);
   OMX_VIDEO_PORTDEFINITIONTYPE *def = &out_port->portdef_.format.video;
#else
   omx_base_PortType *port = priv->ports[OMX_BASE_FILTER_OUTPUTPORT_INDEX];
   OMX_VIDEO_PORTDEFINITIONTYPE *def = &port->sPortParam.format.video;
#endif

   struct pipe_sampler_view **views;
   unsigned i, j;
   unsigned width, height;

   views = buf->get_sampler_view_planes(buf);

#if ENABLE_ST_OMX_TIZONIA
   if (!output->pBuffer) {
      struct pipe_video_buffer *dst_buf = NULL;
      struct pipe_surface **dst_surface = NULL;
      struct u_rect src_rect;
      struct u_rect dst_rect;
      struct vl_compositor *compositor = &priv->compositor;
      struct vl_compositor_state *s = &priv->cstate;
      enum vl_compositor_deinterlace deinterlace = VL_COMPOSITOR_WEAVE;

      dst_buf = util_hash_table_get(priv->video_buffer_map, output);
      assert(dst_buf);

      dst_surface = dst_buf->get_surfaces(dst_buf);
      assert(views);

      src_rect.x0 = 0;
      src_rect.y0 = 0;
      src_rect.x1 = def->nFrameWidth;
      src_rect.y1 = def->nFrameHeight;

      dst_rect.x0 = 0;
      dst_rect.y0 = 0;
      dst_rect.x1 = def->nFrameWidth;
      dst_rect.y1 = def->nFrameHeight;

      vl_compositor_clear_layers(s);
      vl_compositor_set_buffer_layer(s, compositor, 0, buf,
              &src_rect, NULL, deinterlace);
      vl_compositor_set_layer_dst_area(s, 0, &dst_rect);
      vl_compositor_render(s, compositor, dst_surface[0], NULL, false);

      priv->pipe->flush(priv->pipe, NULL, 0);

      return;
   }
#endif

   for (i = 0; i < 2 /* NV12 */; i++) {
      if (!views[i]) continue;
      width = def->nFrameWidth;
      height = def->nFrameHeight;
      vl_video_buffer_adjust_size(&width, &height, i,
                                  pipe_format_to_chroma_format(buf->buffer_format),
                                  buf->interlaced);
      for (j = 0; j < views[i]->texture->array_size; ++j) {
         struct pipe_box box = {0, 0, j, width, height, 1};
         struct pipe_transfer *transfer;
         uint8_t *map, *dst;
         map = priv->pipe->transfer_map(priv->pipe, views[i]->texture, 0,
                  PIPE_TRANSFER_READ, &box, &transfer);
         if (!map)
            return;

         dst = ((uint8_t*)output->pBuffer + output->nOffset) + j * def->nStride +
               i * def->nFrameWidth * def->nFrameHeight;
         util_copy_rect(dst,
            views[i]->texture->format,
            def->nStride * views[i]->texture->array_size, 0, 0,
            box.width, box.height, map, transfer->stride, 0, 0);

         pipe_transfer_unmap(priv->pipe, transfer);
      }
   }
}