diff options
Diffstat (limited to 'src/gallium/state_trackers/vdpau/decode.c')
-rw-r--r-- | src/gallium/state_trackers/vdpau/decode.c | 309 |
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 --- /dev/null +++ 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; +}
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