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-rw-r--r--src/gallium/state_trackers/vdpau/decode.c309
1 files changed, 309 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/vdpau/decode.c b/src/gallium/state_trackers/vdpau/decode.c
new file mode 100644
index 00000000000..5d3674c5eb2
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+++ b/src/gallium/state_trackers/vdpau/decode.c
@@ -0,0 +1,309 @@
+/**************************************************************************
+ *
+ * Copyright 2010 Thomas Balling Sørensen.
+ * 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+#include "vdpau_private.h"
+#include "mpeg2_bitstream_parser.h"
+#include <util/u_memory.h>
+#include <util/u_math.h>
+#include <pipe/p_video_context.h>
+#include <util/u_debug.h>
+
+VdpStatus
+vlVdpDecoderCreate ( VdpDevice device,
+ VdpDecoderProfile profile,
+ uint32_t width, uint32_t height,
+ uint32_t max_references,
+ VdpDecoder *decoder
+)
+{
+ enum pipe_video_profile p_profile = PIPE_VIDEO_PROFILE_UNKNOWN;
+ VdpStatus ret = VDP_STATUS_OK;
+ vlVdpDecoder *vldecoder = NULL;
+
+ debug_printf("[VDPAU] Creating decoder\n");
+
+ if (!decoder)
+ return VDP_STATUS_INVALID_POINTER;
+
+ if (!(width && height))
+ return VDP_STATUS_INVALID_VALUE;
+
+ vlVdpDevice *dev = vlGetDataHTAB(device);
+ if (!dev) {
+ ret = VDP_STATUS_INVALID_HANDLE;
+ goto inv_device;
+ }
+
+ vldecoder = CALLOC(1,sizeof(vlVdpDecoder));
+ if (!vldecoder) {
+ ret = VDP_STATUS_RESOURCES;
+ goto no_decoder;
+ }
+
+ p_profile = ProfileToPipe(profile);
+ if (p_profile == PIPE_VIDEO_PROFILE_UNKNOWN) {
+ ret = VDP_STATUS_INVALID_DECODER_PROFILE;
+ goto inv_profile;
+ }
+
+ // TODO: Define max_references. Used mainly for H264
+
+ vldecoder->profile = p_profile;
+ vldecoder->height = height;
+ vldecoder->width = width;
+ vldecoder->device = dev;
+ vldecoder->vctx = NULL;
+
+ *decoder = vlAddDataHTAB(vldecoder);
+ if (*decoder == 0) {
+ ret = VDP_STATUS_ERROR;
+ goto no_handle;
+ }
+ debug_printf("[VDPAU] Decoder created succesfully\n");
+
+ return VDP_STATUS_OK;
+
+ no_handle:
+ FREE(vldecoder);
+ inv_profile:
+ no_screen:
+ no_decoder:
+ inv_device:
+ return ret;
+}
+
+VdpStatus
+vlVdpDecoderDestroy (VdpDecoder decoder
+)
+{
+ debug_printf("[VDPAU] Destroying decoder\n");
+ vlVdpDecoder *vldecoder;
+
+ vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
+ if (!vldecoder) {
+ return VDP_STATUS_INVALID_HANDLE;
+ }
+
+ if (vldecoder->vctx)
+ {
+ if (vldecoder->vctx->vscreen)
+ vl_screen_destroy(vldecoder->vctx->vscreen);
+ }
+
+ if (vldecoder->vctx)
+ vl_video_destroy(vldecoder->vctx);
+
+ FREE(vldecoder);
+
+ return VDP_STATUS_OK;
+}
+
+VdpStatus
+vlVdpCreateSurfaceTarget (vlVdpDecoder *vldecoder,
+ vlVdpSurface *vlsurf
+)
+{
+ struct pipe_resource tmplt;
+ struct pipe_resource *surf_tex;
+ struct pipe_video_context *vctx;
+
+ debug_printf("[VDPAU] Creating surface\n");
+
+ if(!(vldecoder && vlsurf))
+ return VDP_STATUS_INVALID_POINTER;
+
+ vctx = vldecoder->vctx->vpipe;
+
+ memset(&tmplt, 0, sizeof(struct pipe_resource));
+ tmplt.target = PIPE_TEXTURE_2D;
+ tmplt.format = vctx->get_param(vctx,PIPE_CAP_DECODE_TARGET_PREFERRED_FORMAT);
+ tmplt.last_level = 0;
+
+ if (vctx->is_format_supported(vctx, tmplt.format,
+ PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET,
+ PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO)) {
+ tmplt.width0 = vlsurf->width;
+ tmplt.height0 = vlsurf->height;
+ }
+ else {
+ assert(vctx->is_format_supported(vctx, tmplt.format,
+ PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET,
+ PIPE_TEXTURE_GEOM_NON_SQUARE));
+ tmplt.width0 = util_next_power_of_two(vlsurf->width);
+ tmplt.height0 = util_next_power_of_two(vlsurf->height);
+ }
+
+ tmplt.depth0 = 1;
+ tmplt.usage = PIPE_USAGE_DEFAULT;
+ tmplt.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
+ tmplt.flags = 0;
+
+ surf_tex = vctx->screen->resource_create(vctx->screen, &tmplt);
+
+ vlsurf->psurface = vctx->screen->get_tex_surface(vctx->screen, surf_tex, 0, 0, 0,
+ PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET);
+
+ pipe_resource_reference(&surf_tex, NULL);
+
+ if (!vlsurf->psurface)
+ return VDP_STATUS_RESOURCES;
+ debug_printf("[VDPAU] Done creating surface\n");
+
+ return VDP_STATUS_OK;
+}
+
+VdpStatus
+vlVdpDecoderRenderMpeg2 (vlVdpDecoder *vldecoder,
+ vlVdpSurface *vlsurf,
+ VdpPictureInfoMPEG1Or2 *picture_info,
+ uint32_t bitstream_buffer_count,
+ VdpBitstreamBuffer const *bitstream_buffers
+ )
+{
+ struct pipe_video_context *vpipe;
+ vlVdpSurface *t_vdp_surf;
+ vlVdpSurface *p_vdp_surf;
+ vlVdpSurface *f_vdp_surf;
+ struct pipe_surface *t_surf;
+ struct pipe_surface *p_surf;
+ struct pipe_surface *f_surf;
+ uint32_t num_macroblocks;
+ struct pipe_mpeg12_macroblock *pipe_macroblocks;
+ VdpStatus ret;
+
+ debug_printf("[VDPAU] Decoding MPEG2\n");
+
+ t_vdp_surf = vlsurf;
+
+ /* if surfaces equals VDP_STATUS_INVALID_HANDLE, they are not used */
+ if (picture_info->backward_reference == VDP_INVALID_HANDLE)
+ p_vdp_surf = NULL;
+ else {
+ p_vdp_surf = (vlVdpSurface *)vlGetDataHTAB(picture_info->backward_reference);
+ if (!p_vdp_surf)
+ return VDP_STATUS_INVALID_HANDLE;
+ }
+
+ if (picture_info->forward_reference == VDP_INVALID_HANDLE)
+ f_vdp_surf = NULL;
+ else {
+ f_vdp_surf = (vlVdpSurface *)vlGetDataHTAB(picture_info->forward_reference);
+ if (!f_vdp_surf)
+ return VDP_STATUS_INVALID_HANDLE;
+ }
+
+
+ if (f_vdp_surf == VDP_INVALID_HANDLE) f_vdp_surf = NULL;
+
+ ret = vlVdpCreateSurfaceTarget(vldecoder,t_vdp_surf);
+
+ vpipe = vldecoder->vctx->vpipe;
+
+ if (vlVdpMPEG2BitstreamToMacroblock(vpipe->screen, bitstream_buffers, bitstream_buffer_count,
+ &num_macroblocks, &pipe_macroblocks))
+ {
+ debug_printf("[VDPAU] Error in frame-header. Skipping.\n");
+
+ ret = VDP_STATUS_OK;
+ goto skip_frame;
+ }
+
+ vpipe->set_decode_target(vpipe,t_surf);
+ vpipe->decode_macroblocks(vpipe, p_surf, f_surf, num_macroblocks, (struct pipe_macroblock *)pipe_macroblocks, NULL);
+
+ skip_frame:
+ return ret;
+}
+
+VdpStatus
+vlVdpDecoderRender (VdpDecoder decoder,
+ VdpVideoSurface target,
+ VdpPictureInfo const *picture_info,
+ uint32_t bitstream_buffer_count,
+ VdpBitstreamBuffer const *bitstream_buffers
+)
+{
+ vlVdpDecoder *vldecoder;
+ vlVdpSurface *vlsurf;
+ struct vl_screen *vscreen;
+ VdpStatus ret;
+ debug_printf("[VDPAU] Decoding\n");
+
+ if (!(picture_info && bitstream_buffers))
+ return VDP_STATUS_INVALID_POINTER;
+
+
+ vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
+ if (!vldecoder)
+ return VDP_STATUS_INVALID_HANDLE;
+
+ vlsurf = (vlVdpSurface *)vlGetDataHTAB(target);
+ if (!vlsurf)
+ return VDP_STATUS_INVALID_HANDLE;
+
+ if (vlsurf->device != vldecoder->device)
+ return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
+
+ /* Test doesn't make sence */
+ /*if (vlsurf->chroma_format != vldecoder->chroma_format)
+ return VDP_STATUS_INVALID_CHROMA_TYPE;*/
+
+ vscreen = vl_screen_create(vldecoder->device->display, vldecoder->device->screen);
+ if (!vscreen)
+ return VDP_STATUS_RESOURCES;
+
+ vldecoder->vctx = vl_video_create(vscreen, vldecoder->profile, vlsurf->chroma_format, vldecoder->width, vldecoder->height);
+ if (!vldecoder->vctx)
+ return VDP_STATUS_RESOURCES;
+
+ // TODO: Right now only mpeg2 is supported.
+ switch (vldecoder->vctx->vpipe->profile) {
+ case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
+ case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
+ ret = vlVdpDecoderRenderMpeg2(vldecoder,vlsurf,(VdpPictureInfoMPEG1Or2 *)picture_info,
+ bitstream_buffer_count,bitstream_buffers);
+ break;
+ default:
+ return VDP_STATUS_INVALID_DECODER_PROFILE;
+ }
+ assert(0);
+
+ return ret;
+}
+
+VdpStatus
+vlVdpGenerateCSCMatrix(
+ VdpProcamp *procamp,
+ VdpColorStandard standard,
+ VdpCSCMatrix *csc_matrix)
+{
+ debug_printf("[VDPAU] Generating CSCMatrix\n");
+ if (!(csc_matrix && procamp))
+ return VDP_STATUS_INVALID_POINTER;
+
+ return VDP_STATUS_OK;
+} \ No newline at end of file