| /************************************************************************** |
| * |
| * Copyright 2009 Younes Manton. |
| * 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 VMWARE 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 <math.h> |
| #include <assert.h> |
| |
| #include "util/u_memory.h" |
| #include "util/u_sampler.h" |
| #include "util/u_surface.h" |
| #include "util/u_video.h" |
| |
| #include "vl_mpeg12_decoder.h" |
| #include "vl_defines.h" |
| |
| #define SCALE_FACTOR_SNORM (32768.0f / 256.0f) |
| #define SCALE_FACTOR_SSCALED (1.0f / 256.0f) |
| |
| struct format_config { |
| enum pipe_format zscan_source_format; |
| enum pipe_format idct_source_format; |
| enum pipe_format mc_source_format; |
| |
| float idct_scale; |
| float mc_scale; |
| }; |
| |
| static const struct format_config bitstream_format_config[] = { |
| // { PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R16G16B16A16_FLOAT, 1.0f, SCALE_FACTOR_SSCALED }, |
| // { PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, 1.0f, SCALE_FACTOR_SSCALED }, |
| { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R16G16B16A16_FLOAT, 1.0f, SCALE_FACTOR_SNORM }, |
| { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, 1.0f, SCALE_FACTOR_SNORM } |
| }; |
| |
| static const unsigned num_bitstream_format_configs = |
| sizeof(bitstream_format_config) / sizeof(struct format_config); |
| |
| static const struct format_config idct_format_config[] = { |
| // { PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R16G16B16A16_FLOAT, 1.0f, SCALE_FACTOR_SSCALED }, |
| // { PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, 1.0f, SCALE_FACTOR_SSCALED }, |
| { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R16G16B16A16_FLOAT, 1.0f, SCALE_FACTOR_SNORM }, |
| { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, 1.0f, SCALE_FACTOR_SNORM } |
| }; |
| |
| static const unsigned num_idct_format_configs = |
| sizeof(idct_format_config) / sizeof(struct format_config); |
| |
| static const struct format_config mc_format_config[] = { |
| //{ PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_NONE, PIPE_FORMAT_R16_SSCALED, 0.0f, SCALE_FACTOR_SSCALED }, |
| { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_NONE, PIPE_FORMAT_R16_SNORM, 0.0f, SCALE_FACTOR_SNORM } |
| }; |
| |
| static const unsigned num_mc_format_configs = |
| sizeof(mc_format_config) / sizeof(struct format_config); |
| |
| static const unsigned const_empty_block_mask_420[3][2][2] = { |
| { { 0x20, 0x10 }, { 0x08, 0x04 } }, |
| { { 0x02, 0x02 }, { 0x02, 0x02 } }, |
| { { 0x01, 0x01 }, { 0x01, 0x01 } } |
| }; |
| |
| struct video_buffer_private |
| { |
| struct list_head list; |
| struct pipe_video_buffer *video_buffer; |
| |
| struct pipe_sampler_view *sampler_view_planes[VL_NUM_COMPONENTS]; |
| struct pipe_surface *surfaces[VL_MAX_SURFACES]; |
| |
| struct vl_mpeg12_buffer *buffer; |
| }; |
| |
| static void |
| vl_mpeg12_destroy_buffer(struct vl_mpeg12_buffer *buf); |
| |
| static void |
| destroy_video_buffer_private(void *private) |
| { |
| struct video_buffer_private *priv = private; |
| unsigned i; |
| |
| list_del(&priv->list); |
| |
| for (i = 0; i < VL_NUM_COMPONENTS; ++i) |
| pipe_sampler_view_reference(&priv->sampler_view_planes[i], NULL); |
| |
| for (i = 0; i < VL_MAX_SURFACES; ++i) |
| pipe_surface_reference(&priv->surfaces[i], NULL); |
| |
| if (priv->buffer) |
| vl_mpeg12_destroy_buffer(priv->buffer); |
| |
| FREE(priv); |
| } |
| |
| static struct video_buffer_private * |
| get_video_buffer_private(struct vl_mpeg12_decoder *dec, struct pipe_video_buffer *buf) |
| { |
| struct pipe_context *pipe = dec->context; |
| struct video_buffer_private *priv; |
| struct pipe_sampler_view **sv; |
| struct pipe_surface **surf; |
| unsigned i; |
| |
| priv = vl_video_buffer_get_associated_data(buf, &dec->base); |
| if (priv) |
| return priv; |
| |
| priv = CALLOC_STRUCT(video_buffer_private); |
| |
| list_add(&priv->list, &dec->buffer_privates); |
| priv->video_buffer = buf; |
| |
| sv = buf->get_sampler_view_planes(buf); |
| for (i = 0; i < VL_NUM_COMPONENTS; ++i) |
| if (sv[i]) |
| priv->sampler_view_planes[i] = pipe->create_sampler_view(pipe, sv[i]->texture, sv[i]); |
| |
| surf = buf->get_surfaces(buf); |
| for (i = 0; i < VL_MAX_SURFACES; ++i) |
| if (surf[i]) |
| priv->surfaces[i] = pipe->create_surface(pipe, surf[i]->texture, surf[i]); |
| |
| vl_video_buffer_set_associated_data(buf, &dec->base, priv, destroy_video_buffer_private); |
| |
| return priv; |
| } |
| |
| static void |
| free_video_buffer_privates(struct vl_mpeg12_decoder *dec) |
| { |
| struct video_buffer_private *priv, *next; |
| |
| LIST_FOR_EACH_ENTRY_SAFE(priv, next, &dec->buffer_privates, list) { |
| struct pipe_video_buffer *buf = priv->video_buffer; |
| |
| vl_video_buffer_set_associated_data(buf, &dec->base, NULL, NULL); |
| } |
| } |
| |
| static bool |
| init_zscan_buffer(struct vl_mpeg12_decoder *dec, struct vl_mpeg12_buffer *buffer) |
| { |
| struct pipe_resource *res, res_tmpl; |
| struct pipe_sampler_view sv_tmpl; |
| struct pipe_surface **destination; |
| |
| unsigned i; |
| |
| assert(dec && buffer); |
| |
| memset(&res_tmpl, 0, sizeof(res_tmpl)); |
| res_tmpl.target = PIPE_TEXTURE_2D; |
| res_tmpl.format = dec->zscan_source_format; |
| res_tmpl.width0 = dec->blocks_per_line * VL_BLOCK_WIDTH * VL_BLOCK_HEIGHT; |
| res_tmpl.height0 = align(dec->num_blocks, dec->blocks_per_line) / dec->blocks_per_line; |
| res_tmpl.depth0 = 1; |
| res_tmpl.array_size = 1; |
| res_tmpl.usage = PIPE_USAGE_STREAM; |
| res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW; |
| |
| res = dec->context->screen->resource_create(dec->context->screen, &res_tmpl); |
| if (!res) |
| goto error_source; |
| |
| |
| memset(&sv_tmpl, 0, sizeof(sv_tmpl)); |
| u_sampler_view_default_template(&sv_tmpl, res, res->format); |
| sv_tmpl.swizzle_r = sv_tmpl.swizzle_g = sv_tmpl.swizzle_b = sv_tmpl.swizzle_a = PIPE_SWIZZLE_X; |
| buffer->zscan_source = dec->context->create_sampler_view(dec->context, res, &sv_tmpl); |
| pipe_resource_reference(&res, NULL); |
| if (!buffer->zscan_source) |
| goto error_sampler; |
| |
| if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) |
| destination = dec->idct_source->get_surfaces(dec->idct_source); |
| else |
| destination = dec->mc_source->get_surfaces(dec->mc_source); |
| |
| if (!destination) |
| goto error_surface; |
| |
| for (i = 0; i < VL_NUM_COMPONENTS; ++i) |
| if (!vl_zscan_init_buffer(i == 0 ? &dec->zscan_y : &dec->zscan_c, |
| &buffer->zscan[i], buffer->zscan_source, destination[i])) |
| goto error_plane; |
| |
| return true; |
| |
| error_plane: |
| for (; i > 0; --i) |
| vl_zscan_cleanup_buffer(&buffer->zscan[i - 1]); |
| |
| error_surface: |
| error_sampler: |
| pipe_sampler_view_reference(&buffer->zscan_source, NULL); |
| |
| error_source: |
| return false; |
| } |
| |
| static void |
| cleanup_zscan_buffer(struct vl_mpeg12_buffer *buffer) |
| { |
| unsigned i; |
| |
| assert(buffer); |
| |
| for (i = 0; i < VL_NUM_COMPONENTS; ++i) |
| vl_zscan_cleanup_buffer(&buffer->zscan[i]); |
| |
| pipe_sampler_view_reference(&buffer->zscan_source, NULL); |
| } |
| |
| static bool |
| init_idct_buffer(struct vl_mpeg12_decoder *dec, struct vl_mpeg12_buffer *buffer) |
| { |
| struct pipe_sampler_view **idct_source_sv, **mc_source_sv; |
| |
| unsigned i; |
| |
| assert(dec && buffer); |
| |
| idct_source_sv = dec->idct_source->get_sampler_view_planes(dec->idct_source); |
| if (!idct_source_sv) |
| goto error_source_sv; |
| |
| mc_source_sv = dec->mc_source->get_sampler_view_planes(dec->mc_source); |
| if (!mc_source_sv) |
| goto error_mc_source_sv; |
| |
| for (i = 0; i < 3; ++i) |
| if (!vl_idct_init_buffer(i == 0 ? &dec->idct_y : &dec->idct_c, |
| &buffer->idct[i], idct_source_sv[i], |
| mc_source_sv[i])) |
| goto error_plane; |
| |
| return true; |
| |
| error_plane: |
| for (; i > 0; --i) |
| vl_idct_cleanup_buffer(&buffer->idct[i - 1]); |
| |
| error_mc_source_sv: |
| error_source_sv: |
| return false; |
| } |
| |
| static void |
| cleanup_idct_buffer(struct vl_mpeg12_buffer *buf) |
| { |
| unsigned i; |
| |
| assert(buf); |
| |
| for (i = 0; i < 3; ++i) |
| vl_idct_cleanup_buffer(&buf->idct[i]); |
| } |
| |
| static bool |
| init_mc_buffer(struct vl_mpeg12_decoder *dec, struct vl_mpeg12_buffer *buf) |
| { |
| assert(dec && buf); |
| |
| if(!vl_mc_init_buffer(&dec->mc_y, &buf->mc[0])) |
| goto error_mc_y; |
| |
| if(!vl_mc_init_buffer(&dec->mc_c, &buf->mc[1])) |
| goto error_mc_cb; |
| |
| if(!vl_mc_init_buffer(&dec->mc_c, &buf->mc[2])) |
| goto error_mc_cr; |
| |
| return true; |
| |
| error_mc_cr: |
| vl_mc_cleanup_buffer(&buf->mc[1]); |
| |
| error_mc_cb: |
| vl_mc_cleanup_buffer(&buf->mc[0]); |
| |
| error_mc_y: |
| return false; |
| } |
| |
| static void |
| cleanup_mc_buffer(struct vl_mpeg12_buffer *buf) |
| { |
| unsigned i; |
| |
| assert(buf); |
| |
| for (i = 0; i < VL_NUM_COMPONENTS; ++i) |
| vl_mc_cleanup_buffer(&buf->mc[i]); |
| } |
| |
| static inline void |
| MacroBlockTypeToPipeWeights(const struct pipe_mpeg12_macroblock *mb, unsigned weights[2]) |
| { |
| assert(mb); |
| |
| switch (mb->macroblock_type & (PIPE_MPEG12_MB_TYPE_MOTION_FORWARD | PIPE_MPEG12_MB_TYPE_MOTION_BACKWARD)) { |
| case PIPE_MPEG12_MB_TYPE_MOTION_FORWARD: |
| weights[0] = PIPE_VIDEO_MV_WEIGHT_MAX; |
| weights[1] = PIPE_VIDEO_MV_WEIGHT_MIN; |
| break; |
| |
| case (PIPE_MPEG12_MB_TYPE_MOTION_FORWARD | PIPE_MPEG12_MB_TYPE_MOTION_BACKWARD): |
| weights[0] = PIPE_VIDEO_MV_WEIGHT_HALF; |
| weights[1] = PIPE_VIDEO_MV_WEIGHT_HALF; |
| break; |
| |
| case PIPE_MPEG12_MB_TYPE_MOTION_BACKWARD: |
| weights[0] = PIPE_VIDEO_MV_WEIGHT_MIN; |
| weights[1] = PIPE_VIDEO_MV_WEIGHT_MAX; |
| break; |
| |
| default: |
| if (mb->macroblock_type & PIPE_MPEG12_MB_TYPE_INTRA) { |
| weights[0] = PIPE_VIDEO_MV_WEIGHT_MIN; |
| weights[1] = PIPE_VIDEO_MV_WEIGHT_MIN; |
| } else { |
| /* no motion vector, but also not intra mb -> |
| just copy the old frame content */ |
| weights[0] = PIPE_VIDEO_MV_WEIGHT_MAX; |
| weights[1] = PIPE_VIDEO_MV_WEIGHT_MIN; |
| } |
| break; |
| } |
| } |
| |
| static inline struct vl_motionvector |
| MotionVectorToPipe(const struct pipe_mpeg12_macroblock *mb, unsigned vector, |
| unsigned field_select_mask, unsigned weight) |
| { |
| struct vl_motionvector mv; |
| |
| assert(mb); |
| |
| if (mb->macroblock_type & (PIPE_MPEG12_MB_TYPE_MOTION_FORWARD | PIPE_MPEG12_MB_TYPE_MOTION_BACKWARD)) { |
| switch (mb->macroblock_modes.bits.frame_motion_type) { |
| case PIPE_MPEG12_MO_TYPE_FRAME: |
| mv.top.x = mb->PMV[0][vector][0]; |
| mv.top.y = mb->PMV[0][vector][1]; |
| mv.top.field_select = PIPE_VIDEO_FRAME; |
| mv.top.weight = weight; |
| |
| mv.bottom.x = mb->PMV[0][vector][0]; |
| mv.bottom.y = mb->PMV[0][vector][1]; |
| mv.bottom.weight = weight; |
| mv.bottom.field_select = PIPE_VIDEO_FRAME; |
| break; |
| |
| case PIPE_MPEG12_MO_TYPE_FIELD: |
| mv.top.x = mb->PMV[0][vector][0]; |
| mv.top.y = mb->PMV[0][vector][1]; |
| mv.top.field_select = (mb->motion_vertical_field_select & field_select_mask) ? |
| PIPE_VIDEO_BOTTOM_FIELD : PIPE_VIDEO_TOP_FIELD; |
| mv.top.weight = weight; |
| |
| mv.bottom.x = mb->PMV[1][vector][0]; |
| mv.bottom.y = mb->PMV[1][vector][1]; |
| mv.bottom.field_select = (mb->motion_vertical_field_select & (field_select_mask << 2)) ? |
| PIPE_VIDEO_BOTTOM_FIELD : PIPE_VIDEO_TOP_FIELD; |
| mv.bottom.weight = weight; |
| break; |
| |
| default: // TODO: Support DUALPRIME and 16x8 |
| break; |
| } |
| } else { |
| mv.top.x = mv.top.y = 0; |
| mv.top.field_select = PIPE_VIDEO_FRAME; |
| mv.top.weight = weight; |
| |
| mv.bottom.x = mv.bottom.y = 0; |
| mv.bottom.field_select = PIPE_VIDEO_FRAME; |
| mv.bottom.weight = weight; |
| } |
| return mv; |
| } |
| |
| static inline void |
| UploadYcbcrBlocks(struct vl_mpeg12_decoder *dec, |
| struct vl_mpeg12_buffer *buf, |
| const struct pipe_mpeg12_macroblock *mb) |
| { |
| unsigned intra; |
| unsigned tb, x, y, num_blocks = 0; |
| |
| assert(dec && buf); |
| assert(mb); |
| |
| if (!mb->coded_block_pattern) |
| return; |
| |
| intra = mb->macroblock_type & PIPE_MPEG12_MB_TYPE_INTRA ? 1 : 0; |
| |
| for (y = 0; y < 2; ++y) { |
| for (x = 0; x < 2; ++x) { |
| if (mb->coded_block_pattern & const_empty_block_mask_420[0][y][x]) { |
| |
| struct vl_ycbcr_block *stream = buf->ycbcr_stream[0]; |
| stream->x = mb->x * 2 + x; |
| stream->y = mb->y * 2 + y; |
| stream->intra = intra; |
| stream->coding = mb->macroblock_modes.bits.dct_type; |
| stream->block_num = buf->block_num++; |
| |
| buf->num_ycbcr_blocks[0]++; |
| buf->ycbcr_stream[0]++; |
| |
| num_blocks++; |
| } |
| } |
| } |
| |
| /* TODO: Implement 422, 444 */ |
| //assert(ctx->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420); |
| |
| for (tb = 1; tb < 3; ++tb) { |
| if (mb->coded_block_pattern & const_empty_block_mask_420[tb][0][0]) { |
| |
| struct vl_ycbcr_block *stream = buf->ycbcr_stream[tb]; |
| stream->x = mb->x; |
| stream->y = mb->y; |
| stream->intra = intra; |
| stream->coding = 0; |
| stream->block_num = buf->block_num++; |
| |
| buf->num_ycbcr_blocks[tb]++; |
| buf->ycbcr_stream[tb]++; |
| |
| num_blocks++; |
| } |
| } |
| |
| memcpy(buf->texels, mb->blocks, 64 * sizeof(short) * num_blocks); |
| buf->texels += 64 * num_blocks; |
| } |
| |
| static void |
| vl_mpeg12_destroy_buffer(struct vl_mpeg12_buffer *buf) |
| { |
| |
| assert(buf); |
| |
| cleanup_zscan_buffer(buf); |
| cleanup_idct_buffer(buf); |
| cleanup_mc_buffer(buf); |
| vl_vb_cleanup(&buf->vertex_stream); |
| |
| FREE(buf); |
| } |
| |
| static void |
| vl_mpeg12_destroy(struct pipe_video_codec *decoder) |
| { |
| struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder*)decoder; |
| unsigned i; |
| |
| assert(decoder); |
| |
| free_video_buffer_privates(dec); |
| |
| /* Asserted in softpipe_delete_fs_state() for some reason */ |
| dec->context->bind_vs_state(dec->context, NULL); |
| dec->context->bind_fs_state(dec->context, NULL); |
| |
| dec->context->delete_depth_stencil_alpha_state(dec->context, dec->dsa); |
| dec->context->delete_sampler_state(dec->context, dec->sampler_ycbcr); |
| |
| vl_mc_cleanup(&dec->mc_y); |
| vl_mc_cleanup(&dec->mc_c); |
| dec->mc_source->destroy(dec->mc_source); |
| |
| if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { |
| vl_idct_cleanup(&dec->idct_y); |
| vl_idct_cleanup(&dec->idct_c); |
| dec->idct_source->destroy(dec->idct_source); |
| } |
| |
| vl_zscan_cleanup(&dec->zscan_y); |
| vl_zscan_cleanup(&dec->zscan_c); |
| |
| dec->context->delete_vertex_elements_state(dec->context, dec->ves_ycbcr); |
| dec->context->delete_vertex_elements_state(dec->context, dec->ves_mv); |
| |
| pipe_resource_reference(&dec->quads.buffer.resource, NULL); |
| pipe_resource_reference(&dec->pos.buffer.resource, NULL); |
| |
| pipe_sampler_view_reference(&dec->zscan_linear, NULL); |
| pipe_sampler_view_reference(&dec->zscan_normal, NULL); |
| pipe_sampler_view_reference(&dec->zscan_alternate, NULL); |
| |
| for (i = 0; i < 4; ++i) |
| if (dec->dec_buffers[i]) |
| vl_mpeg12_destroy_buffer(dec->dec_buffers[i]); |
| |
| dec->context->destroy(dec->context); |
| |
| FREE(dec); |
| } |
| |
| static struct vl_mpeg12_buffer * |
| vl_mpeg12_get_decode_buffer(struct vl_mpeg12_decoder *dec, struct pipe_video_buffer *target) |
| { |
| struct video_buffer_private *priv; |
| struct vl_mpeg12_buffer *buffer; |
| |
| assert(dec); |
| |
| priv = get_video_buffer_private(dec, target); |
| if (priv->buffer) |
| return priv->buffer; |
| |
| buffer = dec->dec_buffers[dec->current_buffer]; |
| if (buffer) |
| return buffer; |
| |
| buffer = CALLOC_STRUCT(vl_mpeg12_buffer); |
| if (!buffer) |
| return NULL; |
| |
| if (!vl_vb_init(&buffer->vertex_stream, dec->context, |
| dec->base.width / VL_MACROBLOCK_WIDTH, |
| dec->base.height / VL_MACROBLOCK_HEIGHT)) |
| goto error_vertex_buffer; |
| |
| if (!init_mc_buffer(dec, buffer)) |
| goto error_mc; |
| |
| if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) |
| if (!init_idct_buffer(dec, buffer)) |
| goto error_idct; |
| |
| if (!init_zscan_buffer(dec, buffer)) |
| goto error_zscan; |
| |
| if (dec->base.entrypoint == PIPE_VIDEO_ENTRYPOINT_BITSTREAM) |
| vl_mpg12_bs_init(&buffer->bs, &dec->base); |
| |
| if (dec->base.expect_chunked_decode) |
| priv->buffer = buffer; |
| else |
| dec->dec_buffers[dec->current_buffer] = buffer; |
| |
| return buffer; |
| |
| error_zscan: |
| cleanup_idct_buffer(buffer); |
| |
| error_idct: |
| cleanup_mc_buffer(buffer); |
| |
| error_mc: |
| vl_vb_cleanup(&buffer->vertex_stream); |
| |
| error_vertex_buffer: |
| FREE(buffer); |
| return NULL; |
| } |
| |
| static void |
| vl_mpeg12_begin_frame(struct pipe_video_codec *decoder, |
| struct pipe_video_buffer *target, |
| struct pipe_picture_desc *picture) |
| { |
| struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder *)decoder; |
| struct pipe_mpeg12_picture_desc *desc = (struct pipe_mpeg12_picture_desc *)picture; |
| struct vl_mpeg12_buffer *buf; |
| |
| struct pipe_resource *tex; |
| struct pipe_box rect = { 0, 0, 0, 1, 1, 1 }; |
| |
| uint8_t intra_matrix[64]; |
| uint8_t non_intra_matrix[64]; |
| |
| unsigned i; |
| |
| assert(dec && target && picture); |
| |
| buf = vl_mpeg12_get_decode_buffer(dec, target); |
| assert(buf); |
| |
| if (dec->base.entrypoint == PIPE_VIDEO_ENTRYPOINT_BITSTREAM) { |
| memcpy(intra_matrix, desc->intra_matrix, sizeof(intra_matrix)); |
| memcpy(non_intra_matrix, desc->non_intra_matrix, sizeof(non_intra_matrix)); |
| intra_matrix[0] = 1 << (7 - desc->intra_dc_precision); |
| } else { |
| memset(intra_matrix, 0x10, sizeof(intra_matrix)); |
| memset(non_intra_matrix, 0x10, sizeof(non_intra_matrix)); |
| } |
| |
| for (i = 0; i < VL_NUM_COMPONENTS; ++i) { |
| struct vl_zscan *zscan = i == 0 ? &dec->zscan_y : &dec->zscan_c; |
| vl_zscan_upload_quant(zscan, &buf->zscan[i], intra_matrix, true); |
| vl_zscan_upload_quant(zscan, &buf->zscan[i], non_intra_matrix, false); |
| } |
| |
| vl_vb_map(&buf->vertex_stream, dec->context); |
| |
| tex = buf->zscan_source->texture; |
| rect.width = tex->width0; |
| rect.height = tex->height0; |
| |
| buf->texels = |
| dec->context->transfer_map(dec->context, tex, 0, |
| PIPE_TRANSFER_WRITE | |
| PIPE_TRANSFER_DISCARD_RANGE, |
| &rect, &buf->tex_transfer); |
| |
| buf->block_num = 0; |
| |
| for (i = 0; i < VL_NUM_COMPONENTS; ++i) { |
| buf->ycbcr_stream[i] = vl_vb_get_ycbcr_stream(&buf->vertex_stream, i); |
| buf->num_ycbcr_blocks[i] = 0; |
| } |
| |
| for (i = 0; i < VL_MAX_REF_FRAMES; ++i) |
| buf->mv_stream[i] = vl_vb_get_mv_stream(&buf->vertex_stream, i); |
| |
| if (dec->base.entrypoint >= PIPE_VIDEO_ENTRYPOINT_IDCT) { |
| for (i = 0; i < VL_NUM_COMPONENTS; ++i) |
| vl_zscan_set_layout(&buf->zscan[i], dec->zscan_linear); |
| } |
| } |
| |
| static void |
| vl_mpeg12_decode_macroblock(struct pipe_video_codec *decoder, |
| struct pipe_video_buffer *target, |
| struct pipe_picture_desc *picture, |
| const struct pipe_macroblock *macroblocks, |
| unsigned num_macroblocks) |
| { |
| struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder *)decoder; |
| const struct pipe_mpeg12_macroblock *mb = (const struct pipe_mpeg12_macroblock *)macroblocks; |
| struct pipe_mpeg12_picture_desc *desc = (struct pipe_mpeg12_picture_desc *)picture; |
| struct vl_mpeg12_buffer *buf; |
| |
| unsigned i, j, mv_weights[2]; |
| |
| assert(dec && target && picture); |
| assert(macroblocks && macroblocks->codec == PIPE_VIDEO_FORMAT_MPEG12); |
| |
| buf = vl_mpeg12_get_decode_buffer(dec, target); |
| assert(buf); |
| |
| for (; num_macroblocks > 0; --num_macroblocks) { |
| unsigned mb_addr = mb->y * dec->width_in_macroblocks + mb->x; |
| |
| if (mb->macroblock_type & (PIPE_MPEG12_MB_TYPE_PATTERN | PIPE_MPEG12_MB_TYPE_INTRA)) |
| UploadYcbcrBlocks(dec, buf, mb); |
| |
| MacroBlockTypeToPipeWeights(mb, mv_weights); |
| |
| for (i = 0; i < 2; ++i) { |
| if (!desc->ref[i]) continue; |
| |
| buf->mv_stream[i][mb_addr] = MotionVectorToPipe |
| ( |
| mb, i, |
| i ? PIPE_MPEG12_FS_FIRST_BACKWARD : PIPE_MPEG12_FS_FIRST_FORWARD, |
| mv_weights[i] |
| ); |
| } |
| |
| /* see section 7.6.6 of the spec */ |
| if (mb->num_skipped_macroblocks > 0) { |
| struct vl_motionvector skipped_mv[2]; |
| |
| if (desc->ref[0] && !desc->ref[1]) { |
| skipped_mv[0].top.x = skipped_mv[0].top.y = 0; |
| skipped_mv[0].top.weight = PIPE_VIDEO_MV_WEIGHT_MAX; |
| } else { |
| skipped_mv[0] = buf->mv_stream[0][mb_addr]; |
| skipped_mv[1] = buf->mv_stream[1][mb_addr]; |
| } |
| skipped_mv[0].top.field_select = PIPE_VIDEO_FRAME; |
| skipped_mv[1].top.field_select = PIPE_VIDEO_FRAME; |
| |
| skipped_mv[0].bottom = skipped_mv[0].top; |
| skipped_mv[1].bottom = skipped_mv[1].top; |
| |
| ++mb_addr; |
| for (i = 0; i < mb->num_skipped_macroblocks; ++i, ++mb_addr) { |
| for (j = 0; j < 2; ++j) { |
| if (!desc->ref[j]) continue; |
| buf->mv_stream[j][mb_addr] = skipped_mv[j]; |
| |
| } |
| } |
| } |
| |
| ++mb; |
| } |
| } |
| |
| static void |
| vl_mpeg12_decode_bitstream(struct pipe_video_codec *decoder, |
| struct pipe_video_buffer *target, |
| struct pipe_picture_desc *picture, |
| unsigned num_buffers, |
| const void * const *buffers, |
| const unsigned *sizes) |
| { |
| struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder *)decoder; |
| struct pipe_mpeg12_picture_desc *desc = (struct pipe_mpeg12_picture_desc *)picture; |
| struct vl_mpeg12_buffer *buf; |
| |
| unsigned i; |
| |
| assert(dec && target && picture); |
| |
| buf = vl_mpeg12_get_decode_buffer(dec, target); |
| assert(buf); |
| |
| for (i = 0; i < VL_NUM_COMPONENTS; ++i) |
| vl_zscan_set_layout(&buf->zscan[i], desc->alternate_scan ? |
| dec->zscan_alternate : dec->zscan_normal); |
| |
| vl_mpg12_bs_decode(&buf->bs, target, desc, num_buffers, buffers, sizes); |
| } |
| |
| static void |
| vl_mpeg12_end_frame(struct pipe_video_codec *decoder, |
| struct pipe_video_buffer *target, |
| struct pipe_picture_desc *picture) |
| { |
| struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder *)decoder; |
| struct pipe_mpeg12_picture_desc *desc = (struct pipe_mpeg12_picture_desc *)picture; |
| struct pipe_sampler_view **ref_frames[2]; |
| struct pipe_sampler_view **mc_source_sv; |
| struct pipe_surface **target_surfaces; |
| struct pipe_vertex_buffer vb[3]; |
| struct vl_mpeg12_buffer *buf; |
| |
| const unsigned *plane_order; |
| unsigned i, j, component; |
| unsigned nr_components; |
| |
| assert(dec && target && picture); |
| assert(!target->interlaced); |
| |
| buf = vl_mpeg12_get_decode_buffer(dec, target); |
| |
| vl_vb_unmap(&buf->vertex_stream, dec->context); |
| |
| dec->context->transfer_unmap(dec->context, buf->tex_transfer); |
| |
| vb[0] = dec->quads; |
| vb[1] = dec->pos; |
| |
| target_surfaces = get_video_buffer_private(dec, target)->surfaces; |
| |
| for (i = 0; i < VL_MAX_REF_FRAMES; ++i) { |
| if (desc->ref[i]) |
| ref_frames[i] = get_video_buffer_private(dec, desc->ref[i])->sampler_view_planes; |
| else |
| ref_frames[i] = NULL; |
| } |
| |
| dec->context->bind_vertex_elements_state(dec->context, dec->ves_mv); |
| for (i = 0; i < VL_NUM_COMPONENTS; ++i) { |
| if (!target_surfaces[i]) continue; |
| |
| vl_mc_set_surface(&buf->mc[i], target_surfaces[i]); |
| |
| for (j = 0; j < VL_MAX_REF_FRAMES; ++j) { |
| if (!ref_frames[j] || !ref_frames[j][i]) continue; |
| |
| vb[2] = vl_vb_get_mv(&buf->vertex_stream, j); |
| dec->context->set_vertex_buffers(dec->context, 0, 3, vb); |
| |
| vl_mc_render_ref(i ? &dec->mc_c : &dec->mc_y, &buf->mc[i], ref_frames[j][i]); |
| } |
| } |
| |
| dec->context->bind_vertex_elements_state(dec->context, dec->ves_ycbcr); |
| for (i = 0; i < VL_NUM_COMPONENTS; ++i) { |
| if (!buf->num_ycbcr_blocks[i]) continue; |
| |
| vb[1] = vl_vb_get_ycbcr(&buf->vertex_stream, i); |
| dec->context->set_vertex_buffers(dec->context, 0, 2, vb); |
| |
| vl_zscan_render(i ? &dec->zscan_c : & dec->zscan_y, &buf->zscan[i] , buf->num_ycbcr_blocks[i]); |
| |
| if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) |
| vl_idct_flush(i ? &dec->idct_c : &dec->idct_y, &buf->idct[i], buf->num_ycbcr_blocks[i]); |
| } |
| |
| plane_order = vl_video_buffer_plane_order(target->buffer_format); |
| mc_source_sv = dec->mc_source->get_sampler_view_planes(dec->mc_source); |
| for (i = 0, component = 0; component < VL_NUM_COMPONENTS; ++i) { |
| if (!target_surfaces[i]) continue; |
| |
| nr_components = util_format_get_nr_components(target_surfaces[i]->texture->format); |
| for (j = 0; j < nr_components; ++j, ++component) { |
| unsigned plane = plane_order[component]; |
| if (!buf->num_ycbcr_blocks[plane]) continue; |
| |
| vb[1] = vl_vb_get_ycbcr(&buf->vertex_stream, plane); |
| dec->context->set_vertex_buffers(dec->context, 0, 2, vb); |
| |
| if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) |
| vl_idct_prepare_stage2(i ? &dec->idct_c : &dec->idct_y, &buf->idct[plane]); |
| else { |
| dec->context->set_sampler_views(dec->context, |
| PIPE_SHADER_FRAGMENT, 0, 1, |
| &mc_source_sv[plane]); |
| dec->context->bind_sampler_states(dec->context, |
| PIPE_SHADER_FRAGMENT, |
| 0, 1, &dec->sampler_ycbcr); |
| } |
| vl_mc_render_ycbcr(i ? &dec->mc_c : &dec->mc_y, &buf->mc[i], j, buf->num_ycbcr_blocks[plane]); |
| } |
| } |
| dec->context->flush(dec->context, NULL, 0); |
| ++dec->current_buffer; |
| dec->current_buffer %= 4; |
| } |
| |
| static void |
| vl_mpeg12_flush(struct pipe_video_codec *decoder) |
| { |
| assert(decoder); |
| |
| //Noop, for shaders it is much faster to flush everything in end_frame |
| } |
| |
| static bool |
| init_pipe_state(struct vl_mpeg12_decoder *dec) |
| { |
| struct pipe_depth_stencil_alpha_state dsa; |
| struct pipe_sampler_state sampler; |
| unsigned i; |
| |
| assert(dec); |
| |
| memset(&dsa, 0, sizeof dsa); |
| dsa.depth.enabled = 0; |
| dsa.depth.writemask = 0; |
| dsa.depth.func = PIPE_FUNC_ALWAYS; |
| for (i = 0; i < 2; ++i) { |
| dsa.stencil[i].enabled = 0; |
| dsa.stencil[i].func = PIPE_FUNC_ALWAYS; |
| dsa.stencil[i].fail_op = PIPE_STENCIL_OP_KEEP; |
| dsa.stencil[i].zpass_op = PIPE_STENCIL_OP_KEEP; |
| dsa.stencil[i].zfail_op = PIPE_STENCIL_OP_KEEP; |
| dsa.stencil[i].valuemask = 0; |
| dsa.stencil[i].writemask = 0; |
| } |
| dsa.alpha.enabled = 0; |
| dsa.alpha.func = PIPE_FUNC_ALWAYS; |
| dsa.alpha.ref_value = 0; |
| dec->dsa = dec->context->create_depth_stencil_alpha_state(dec->context, &dsa); |
| dec->context->bind_depth_stencil_alpha_state(dec->context, dec->dsa); |
| |
| memset(&sampler, 0, sizeof(sampler)); |
| sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_BORDER; |
| sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; |
| sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; |
| sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; |
| sampler.compare_mode = PIPE_TEX_COMPARE_NONE; |
| sampler.compare_func = PIPE_FUNC_ALWAYS; |
| sampler.normalized_coords = 1; |
| dec->sampler_ycbcr = dec->context->create_sampler_state(dec->context, &sampler); |
| if (!dec->sampler_ycbcr) |
| return false; |
| |
| return true; |
| } |
| |
| static const struct format_config* |
| find_format_config(struct vl_mpeg12_decoder *dec, const struct format_config configs[], unsigned num_configs) |
| { |
| struct pipe_screen *screen; |
| unsigned i; |
| |
| assert(dec); |
| |
| screen = dec->context->screen; |
| |
| for (i = 0; i < num_configs; ++i) { |
| if (!screen->is_format_supported(screen, configs[i].zscan_source_format, PIPE_TEXTURE_2D, |
| 1, PIPE_BIND_SAMPLER_VIEW)) |
| continue; |
| |
| if (configs[i].idct_source_format != PIPE_FORMAT_NONE) { |
| if (!screen->is_format_supported(screen, configs[i].idct_source_format, PIPE_TEXTURE_2D, |
| 1, PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET)) |
| continue; |
| |
| if (!screen->is_format_supported(screen, configs[i].mc_source_format, PIPE_TEXTURE_3D, |
| 1, PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET)) |
| continue; |
| } else { |
| if (!screen->is_format_supported(screen, configs[i].mc_source_format, PIPE_TEXTURE_2D, |
| 1, PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET)) |
| continue; |
| } |
| return &configs[i]; |
| } |
| |
| return NULL; |
| } |
| |
| static bool |
| init_zscan(struct vl_mpeg12_decoder *dec, const struct format_config* format_config) |
| { |
| unsigned num_channels; |
| |
| assert(dec); |
| |
| dec->zscan_source_format = format_config->zscan_source_format; |
| dec->zscan_linear = vl_zscan_layout(dec->context, vl_zscan_linear, dec->blocks_per_line); |
| dec->zscan_normal = vl_zscan_layout(dec->context, vl_zscan_normal, dec->blocks_per_line); |
| dec->zscan_alternate = vl_zscan_layout(dec->context, vl_zscan_alternate, dec->blocks_per_line); |
| |
| num_channels = dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT ? 4 : 1; |
| |
| if (!vl_zscan_init(&dec->zscan_y, dec->context, dec->base.width, dec->base.height, |
| dec->blocks_per_line, dec->num_blocks, num_channels)) |
| return false; |
| |
| if (!vl_zscan_init(&dec->zscan_c, dec->context, dec->chroma_width, dec->chroma_height, |
| dec->blocks_per_line, dec->num_blocks, num_channels)) |
| return false; |
| |
| return true; |
| } |
| |
| static bool |
| init_idct(struct vl_mpeg12_decoder *dec, const struct format_config* format_config) |
| { |
| unsigned nr_of_idct_render_targets, max_inst; |
| enum pipe_format formats[3]; |
| struct pipe_video_buffer templat; |
| |
| struct pipe_sampler_view *matrix = NULL; |
| |
| nr_of_idct_render_targets = dec->context->screen->get_param |
| ( |
| dec->context->screen, PIPE_CAP_MAX_RENDER_TARGETS |
| ); |
| |
| max_inst = dec->context->screen->get_shader_param |
| ( |
| dec->context->screen, PIPE_SHADER_FRAGMENT, PIPE_SHADER_CAP_MAX_INSTRUCTIONS |
| ); |
| |
| // Just assume we need 32 inst per render target, not 100% true, but should work in most cases |
| if (nr_of_idct_render_targets >= 4 && max_inst >= 32*4) |
| // more than 4 render targets usually doesn't makes any seens |
| nr_of_idct_render_targets = 4; |
| else |
| nr_of_idct_render_targets = 1; |
| |
| formats[0] = formats[1] = formats[2] = format_config->idct_source_format; |
| memset(&templat, 0, sizeof(templat)); |
| templat.width = dec->base.width / 4; |
| templat.height = dec->base.height; |
| templat.chroma_format = dec->base.chroma_format; |
| dec->idct_source = vl_video_buffer_create_ex |
| ( |
| dec->context, &templat, |
| formats, 1, 1, PIPE_USAGE_DEFAULT |
| ); |
| |
| if (!dec->idct_source) |
| goto error_idct_source; |
| |
| formats[0] = formats[1] = formats[2] = format_config->mc_source_format; |
| memset(&templat, 0, sizeof(templat)); |
| templat.width = dec->base.width / nr_of_idct_render_targets; |
| templat.height = dec->base.height / 4; |
| templat.chroma_format = dec->base.chroma_format; |
| dec->mc_source = vl_video_buffer_create_ex |
| ( |
| dec->context, &templat, |
| formats, nr_of_idct_render_targets, 1, PIPE_USAGE_DEFAULT |
| ); |
| |
| if (!dec->mc_source) |
| goto error_mc_source; |
| |
| if (!(matrix = vl_idct_upload_matrix(dec->context, format_config->idct_scale))) |
| goto error_matrix; |
| |
| if (!vl_idct_init(&dec->idct_y, dec->context, dec->base.width, dec->base.height, |
| nr_of_idct_render_targets, matrix, matrix)) |
| goto error_y; |
| |
| if(!vl_idct_init(&dec->idct_c, dec->context, dec->chroma_width, dec->chroma_height, |
| nr_of_idct_render_targets, matrix, matrix)) |
| goto error_c; |
| |
| pipe_sampler_view_reference(&matrix, NULL); |
| |
| return true; |
| |
| error_c: |
| vl_idct_cleanup(&dec->idct_y); |
| |
| error_y: |
| pipe_sampler_view_reference(&matrix, NULL); |
| |
| error_matrix: |
| dec->mc_source->destroy(dec->mc_source); |
| |
| error_mc_source: |
| dec->idct_source->destroy(dec->idct_source); |
| |
| error_idct_source: |
| return false; |
| } |
| |
| static bool |
| init_mc_source_widthout_idct(struct vl_mpeg12_decoder *dec, const struct format_config* format_config) |
| { |
| enum pipe_format formats[3]; |
| struct pipe_video_buffer templat; |
| |
| formats[0] = formats[1] = formats[2] = format_config->mc_source_format; |
| memset(&templat, 0, sizeof(templat)); |
| templat.width = dec->base.width; |
| templat.height = dec->base.height; |
| templat.chroma_format = dec->base.chroma_format; |
| dec->mc_source = vl_video_buffer_create_ex |
| ( |
| dec->context, &templat, |
| formats, 1, 1, PIPE_USAGE_DEFAULT |
| ); |
| |
| return dec->mc_source != NULL; |
| } |
| |
| static void |
| mc_vert_shader_callback(void *priv, struct vl_mc *mc, |
| struct ureg_program *shader, |
| unsigned first_output, |
| struct ureg_dst tex) |
| { |
| struct vl_mpeg12_decoder *dec = priv; |
| struct ureg_dst o_vtex; |
| |
| assert(priv && mc); |
| assert(shader); |
| |
| if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { |
| struct vl_idct *idct = mc == &dec->mc_y ? &dec->idct_y : &dec->idct_c; |
| vl_idct_stage2_vert_shader(idct, shader, first_output, tex); |
| } else { |
| o_vtex = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output); |
| ureg_MOV(shader, ureg_writemask(o_vtex, TGSI_WRITEMASK_XY), ureg_src(tex)); |
| } |
| } |
| |
| static void |
| mc_frag_shader_callback(void *priv, struct vl_mc *mc, |
| struct ureg_program *shader, |
| unsigned first_input, |
| struct ureg_dst dst) |
| { |
| struct vl_mpeg12_decoder *dec = priv; |
| struct ureg_src src, sampler; |
| |
| assert(priv && mc); |
| assert(shader); |
| |
| if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { |
| struct vl_idct *idct = mc == &dec->mc_y ? &dec->idct_y : &dec->idct_c; |
| vl_idct_stage2_frag_shader(idct, shader, first_input, dst); |
| } else { |
| src = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, first_input, TGSI_INTERPOLATE_LINEAR); |
| sampler = ureg_DECL_sampler(shader, 0); |
| ureg_TEX(shader, dst, TGSI_TEXTURE_2D, src, sampler); |
| } |
| } |
| |
| struct pipe_video_codec * |
| vl_create_mpeg12_decoder(struct pipe_context *context, |
| const struct pipe_video_codec *templat) |
| { |
| const unsigned block_size_pixels = VL_BLOCK_WIDTH * VL_BLOCK_HEIGHT; |
| const struct format_config *format_config; |
| struct vl_mpeg12_decoder *dec; |
| |
| assert(u_reduce_video_profile(templat->profile) == PIPE_VIDEO_FORMAT_MPEG12); |
| |
| dec = CALLOC_STRUCT(vl_mpeg12_decoder); |
| |
| if (!dec) |
| return NULL; |
| |
| dec->base = *templat; |
| dec->base.context = context; |
| dec->context = context->screen->context_create(context->screen, NULL, 0); |
| |
| dec->base.destroy = vl_mpeg12_destroy; |
| dec->base.begin_frame = vl_mpeg12_begin_frame; |
| dec->base.decode_macroblock = vl_mpeg12_decode_macroblock; |
| dec->base.decode_bitstream = vl_mpeg12_decode_bitstream; |
| dec->base.end_frame = vl_mpeg12_end_frame; |
| dec->base.flush = vl_mpeg12_flush; |
| |
| dec->blocks_per_line = MAX2(util_next_power_of_two(dec->base.width) / block_size_pixels, 4); |
| dec->num_blocks = (dec->base.width * dec->base.height) / block_size_pixels; |
| dec->width_in_macroblocks = align(dec->base.width, VL_MACROBLOCK_WIDTH) / VL_MACROBLOCK_WIDTH; |
| |
| /* TODO: Implement 422, 444 */ |
| assert(dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420); |
| |
| if (dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) { |
| dec->chroma_width = dec->base.width / 2; |
| dec->chroma_height = dec->base.height / 2; |
| dec->num_blocks = dec->num_blocks * 2; |
| } else if (dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) { |
| dec->chroma_width = dec->base.width / 2; |
| dec->chroma_height = dec->base.height; |
| dec->num_blocks = dec->num_blocks * 2 + dec->num_blocks; |
| } else { |
| dec->chroma_width = dec->base.width; |
| dec->chroma_height = dec->base.height; |
| dec->num_blocks = dec->num_blocks * 3; |
| } |
| |
| dec->quads = vl_vb_upload_quads(dec->context); |
| dec->pos = vl_vb_upload_pos( |
| dec->context, |
| dec->base.width / VL_MACROBLOCK_WIDTH, |
| dec->base.height / VL_MACROBLOCK_HEIGHT |
| ); |
| |
| dec->ves_ycbcr = vl_vb_get_ves_ycbcr(dec->context); |
| dec->ves_mv = vl_vb_get_ves_mv(dec->context); |
| |
| switch (templat->entrypoint) { |
| case PIPE_VIDEO_ENTRYPOINT_BITSTREAM: |
| format_config = find_format_config(dec, bitstream_format_config, num_bitstream_format_configs); |
| break; |
| |
| case PIPE_VIDEO_ENTRYPOINT_IDCT: |
| format_config = find_format_config(dec, idct_format_config, num_idct_format_configs); |
| break; |
| |
| case PIPE_VIDEO_ENTRYPOINT_MC: |
| format_config = find_format_config(dec, mc_format_config, num_mc_format_configs); |
| break; |
| |
| default: |
| assert(0); |
| FREE(dec); |
| return NULL; |
| } |
| |
| if (!format_config) { |
| FREE(dec); |
| return NULL; |
| } |
| |
| if (!init_zscan(dec, format_config)) |
| goto error_zscan; |
| |
| if (templat->entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { |
| if (!init_idct(dec, format_config)) |
| goto error_sources; |
| } else { |
| if (!init_mc_source_widthout_idct(dec, format_config)) |
| goto error_sources; |
| } |
| |
| if (!vl_mc_init(&dec->mc_y, dec->context, dec->base.width, dec->base.height, |
| VL_MACROBLOCK_HEIGHT, format_config->mc_scale, |
| mc_vert_shader_callback, mc_frag_shader_callback, dec)) |
| goto error_mc_y; |
| |
| // TODO |
| if (!vl_mc_init(&dec->mc_c, dec->context, dec->base.width, dec->base.height, |
| VL_BLOCK_HEIGHT, format_config->mc_scale, |
| mc_vert_shader_callback, mc_frag_shader_callback, dec)) |
| goto error_mc_c; |
| |
| if (!init_pipe_state(dec)) |
| goto error_pipe_state; |
| |
| list_inithead(&dec->buffer_privates); |
| |
| return &dec->base; |
| |
| error_pipe_state: |
| vl_mc_cleanup(&dec->mc_c); |
| |
| error_mc_c: |
| vl_mc_cleanup(&dec->mc_y); |
| |
| error_mc_y: |
| if (templat->entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { |
| vl_idct_cleanup(&dec->idct_y); |
| vl_idct_cleanup(&dec->idct_c); |
| dec->idct_source->destroy(dec->idct_source); |
| } |
| dec->mc_source->destroy(dec->mc_source); |
| |
| error_sources: |
| vl_zscan_cleanup(&dec->zscan_y); |
| vl_zscan_cleanup(&dec->zscan_c); |
| |
| error_zscan: |
| FREE(dec); |
| return NULL; |
| } |