--- /dev/null
- struct pipe_sampler_view *matrix, *transpose;
+/**************************************************************************
+ *
+ * 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 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 <math.h>
+#include <assert.h>
+
+#include <util/u_memory.h>
+#include <util/u_rect.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)
+
+static const enum pipe_format const_zscan_source_formats[] = {
+ PIPE_FORMAT_R16_SNORM,
+ PIPE_FORMAT_R16_SSCALED
+};
+
+static const unsigned num_zscan_source_formats =
+ sizeof(const_zscan_source_formats) / sizeof(enum pipe_format);
+
+static const enum pipe_format const_idct_source_formats[] = {
+ PIPE_FORMAT_R16G16B16A16_SNORM,
+ PIPE_FORMAT_R16G16B16A16_SSCALED
+};
+
+static const unsigned num_idct_source_formats =
+ sizeof(const_idct_source_formats) / sizeof(enum pipe_format);
+
+static const enum pipe_format const_idct_intermediate_formats[] = {
+ PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_SNORM,
+ PIPE_FORMAT_R16G16B16A16_SSCALED,
+ PIPE_FORMAT_R32G32B32A32_FLOAT
+};
+
+static const unsigned num_idct_intermediate_formats =
+ sizeof(const_idct_intermediate_formats) / sizeof(enum pipe_format);
+
+static const enum pipe_format const_mc_source_formats[] = {
+ PIPE_FORMAT_R16_SNORM,
+ PIPE_FORMAT_R16_SSCALED
+};
+
+static const unsigned num_mc_source_formats =
+ sizeof(const_mc_source_formats) / sizeof(enum pipe_format);
+
+static bool
+init_zscan_buffer(struct vl_mpeg12_buffer *buffer)
+{
+ enum pipe_format formats[3];
+
+ struct pipe_sampler_view **source;
+ struct pipe_surface **destination;
+
+ struct vl_mpeg12_decoder *dec;
+
+ unsigned i;
+
+ assert(buffer);
+
+ dec = (struct vl_mpeg12_decoder*)buffer->base.decoder;
+
+ formats[0] = formats[1] = formats[2] = dec->zscan_source_format;
+ buffer->zscan_source = vl_video_buffer_init(dec->base.context, dec->pipe,
+ dec->blocks_per_line * BLOCK_WIDTH * BLOCK_HEIGHT,
+ dec->max_blocks / dec->blocks_per_line,
+ 1, PIPE_VIDEO_CHROMA_FORMAT_444,
+ formats, PIPE_USAGE_STATIC);
+ if (!buffer->zscan_source)
+ goto error_source;
+
+ source = buffer->zscan_source->get_sampler_views(buffer->zscan_source);
+ if (!source)
+ goto error_sampler;
+
+ if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT)
+ destination = buffer->idct_source->get_surfaces(buffer->idct_source);
+ else
+ destination = buffer->mc_source->get_surfaces(buffer->mc_source);
+
+ if (!destination)
+ goto error_surface;
+
+ for (i = 0; i < VL_MAX_PLANES; ++i)
+ if (!vl_zscan_init_buffer(i == 0 ? &dec->zscan_y : &dec->zscan_c,
+ &buffer->zscan[i], source[i], 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:
+ buffer->zscan_source->destroy(buffer->zscan_source);
+
+error_source:
+ return false;
+}
+
+static void
+cleanup_zscan_buffer(struct vl_mpeg12_buffer *buffer)
+{
+ unsigned i;
+
+ assert(buffer);
+
+ for (i = 0; i < VL_MAX_PLANES; ++i)
+ vl_zscan_cleanup_buffer(&buffer->zscan[i]);
+ buffer->zscan_source->destroy(buffer->zscan_source);
+}
+
+static bool
+init_idct_buffer(struct vl_mpeg12_buffer *buffer)
+{
+ enum pipe_format formats[3];
+
+ struct pipe_sampler_view **idct_source_sv, **idct_intermediate_sv;
+ struct pipe_surface **idct_surfaces;
+
+ struct vl_mpeg12_decoder *dec;
+
+ unsigned i;
+
+ assert(buffer);
+
+ dec = (struct vl_mpeg12_decoder*)buffer->base.decoder;
+
+ formats[0] = formats[1] = formats[2] = dec->idct_source_format;
+ buffer->idct_source = vl_video_buffer_init(dec->base.context, dec->pipe,
+ dec->base.width / 4, dec->base.height, 1,
+ dec->base.chroma_format,
+ formats, PIPE_USAGE_STATIC);
+ if (!buffer->idct_source)
+ goto error_source;
+
+ formats[0] = formats[1] = formats[2] = dec->idct_intermediate_format;
+ buffer->idct_intermediate = vl_video_buffer_init(dec->base.context, dec->pipe,
+ dec->base.width / dec->nr_of_idct_render_targets,
+ dec->base.height / 4, dec->nr_of_idct_render_targets,
+ dec->base.chroma_format,
+ formats, PIPE_USAGE_STATIC);
+
+ if (!buffer->idct_intermediate)
+ goto error_intermediate;
+
+ idct_source_sv = buffer->idct_source->get_sampler_views(buffer->idct_source);
+ if (!idct_source_sv)
+ goto error_source_sv;
+
+ idct_intermediate_sv = buffer->idct_intermediate->get_sampler_views(buffer->idct_intermediate);
+ if (!idct_intermediate_sv)
+ goto error_intermediate_sv;
+
+ idct_surfaces = buffer->mc_source->get_surfaces(buffer->mc_source);
+ if (!idct_surfaces)
+ goto error_surfaces;
+
+ 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],
+ idct_intermediate_sv[i], idct_surfaces[i]))
+ goto error_plane;
+
+ return true;
+
+error_plane:
+ for (; i > 0; --i)
+ vl_idct_cleanup_buffer(i == 1 ? &dec->idct_c : &dec->idct_y, &buffer->idct[i - 1]);
+
+error_surfaces:
+error_intermediate_sv:
+error_source_sv:
+ buffer->idct_intermediate->destroy(buffer->idct_intermediate);
+
+error_intermediate:
+ buffer->idct_source->destroy(buffer->idct_source);
+
+error_source:
+ return false;
+}
+
+static void
+cleanup_idct_buffer(struct vl_mpeg12_buffer *buf)
+{
+ struct vl_mpeg12_decoder *dec;
+ assert(buf);
+
+ dec = (struct vl_mpeg12_decoder*)buf->base.decoder;
+ assert(dec);
+
+ vl_idct_cleanup_buffer(&dec->idct_y, &buf->idct[0]);
+ vl_idct_cleanup_buffer(&dec->idct_c, &buf->idct[1]);
+ vl_idct_cleanup_buffer(&dec->idct_c, &buf->idct[2]);
+ buf->idct_source->destroy(buf->idct_source);
+ buf->idct_intermediate->destroy(buf->idct_intermediate);
+}
+
+static bool
+init_mc_buffer(struct vl_mpeg12_buffer *buf)
+{
+ struct vl_mpeg12_decoder *dec;
+ enum pipe_format formats[3];
+ struct pipe_sampler_view **mc_source_sv;
+
+ assert(buf);
+
+ dec = (struct vl_mpeg12_decoder*)buf->base.decoder;
+ assert(dec);
+
+ formats[0] = formats[1] = formats[2] =dec->mc_source_format;
+ buf->mc_source = vl_video_buffer_init(dec->base.context, dec->pipe,
+ dec->base.width, dec->base.height, 1,
+ dec->base.chroma_format,
+ formats, PIPE_USAGE_STATIC);
+
+ if (!buf->mc_source)
+ goto error_mc_source;
+
+ mc_source_sv = buf->mc_source->get_sampler_views(buf->mc_source);
+ if (!mc_source_sv)
+ goto error_mc_source_sv;
+
+ if(!vl_mc_init_buffer(&dec->mc_y, &buf->mc[0], mc_source_sv[0]))
+ goto error_mc_y;
+
+ if(!vl_mc_init_buffer(&dec->mc_c, &buf->mc[1], mc_source_sv[1]))
+ goto error_mc_cb;
+
+ if(!vl_mc_init_buffer(&dec->mc_c, &buf->mc[2], mc_source_sv[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:
+error_mc_source_sv:
+ buf->mc_source->destroy(buf->mc_source);
+
+error_mc_source:
+ return false;
+}
+
+static void
+cleanup_mc_buffer(struct vl_mpeg12_buffer *buf)
+{
+ unsigned i;
+
+ assert(buf);
+
+ for (i = 0; i < VL_MAX_PLANES; ++i)
+ vl_mc_cleanup_buffer(&buf->mc[i]);
+
+ buf->mc_source->destroy(buf->mc_source);
+}
+
+static void
+vl_mpeg12_buffer_destroy(struct pipe_video_decode_buffer *buffer)
+{
+ struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer;
+ struct vl_mpeg12_decoder *dec;
+
+ assert(buf);
+
+ dec = (struct vl_mpeg12_decoder*)buf->base.decoder;
+ assert(dec);
+
+ cleanup_zscan_buffer(buf);
+
+ if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT)
+ cleanup_idct_buffer(buf);
+
+ cleanup_mc_buffer(buf);
+
+ vl_vb_cleanup(&buf->vertex_stream);
+
+ FREE(buf);
+}
+
+static void
+vl_mpeg12_buffer_map(struct pipe_video_decode_buffer *buffer)
+{
+ struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer;
+ struct vl_mpeg12_decoder *dec;
+
+ struct pipe_sampler_view **sampler_views;
+ unsigned i;
+
+ assert(buf);
+
+ dec = (struct vl_mpeg12_decoder *)buf->base.decoder;
+ assert(dec);
+
+ vl_vb_map(&buf->vertex_stream, dec->pipe);
+
+ sampler_views = buf->zscan_source->get_sampler_views(buf->zscan_source);
+
+ assert(sampler_views);
+
+ for (i = 0; i < VL_MAX_PLANES; ++i) {
+ struct pipe_resource *tex = sampler_views[i]->texture;
+ struct pipe_box rect =
+ {
+ 0, 0, 0,
+ tex->width0,
+ tex->height0,
+ 1
+ };
+
+ buf->tex_transfer[i] = dec->pipe->get_transfer
+ (
+ dec->pipe, tex,
+ 0, PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
+ &rect
+ );
+
+ buf->texels[i] = dec->pipe->transfer_map(dec->pipe, buf->tex_transfer[i]);
+ }
+}
+
+static struct pipe_ycbcr_block *
+vl_mpeg12_buffer_get_ycbcr_stream(struct pipe_video_decode_buffer *buffer, int component)
+{
+ struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer;
+
+ assert(buf);
+
+ return vl_vb_get_ycbcr_stream(&buf->vertex_stream, component);
+}
+
+static short *
+vl_mpeg12_buffer_get_ycbcr_buffer(struct pipe_video_decode_buffer *buffer, int component)
+{
+ struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer;
+
+ assert(buf);
+ assert(component < VL_MAX_PLANES);
+
+ return buf->texels[component];
+}
+
+static unsigned
+vl_mpeg12_buffer_get_mv_stream_stride(struct pipe_video_decode_buffer *buffer)
+{
+ struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer;
+
+ assert(buf);
+
+ return vl_vb_get_mv_stream_stride(&buf->vertex_stream);
+}
+
+static struct pipe_motionvector *
+vl_mpeg12_buffer_get_mv_stream(struct pipe_video_decode_buffer *buffer, int ref_frame)
+{
+ struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer;
+
+ assert(buf);
+
+ return vl_vb_get_mv_stream(&buf->vertex_stream, ref_frame);
+}
+
+static void
+vl_mpeg12_buffer_unmap(struct pipe_video_decode_buffer *buffer)
+{
+ struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer;
+ struct vl_mpeg12_decoder *dec;
+ unsigned i;
+
+ assert(buf);
+
+ dec = (struct vl_mpeg12_decoder *)buf->base.decoder;
+ assert(dec);
+
+ vl_vb_unmap(&buf->vertex_stream, dec->pipe);
+
+ for (i = 0; i < VL_MAX_PLANES; ++i) {
+ dec->pipe->transfer_unmap(dec->pipe, buf->tex_transfer[i]);
+ dec->pipe->transfer_destroy(dec->pipe, buf->tex_transfer[i]);
+ }
+}
+
+static void
+vl_mpeg12_destroy(struct pipe_video_decoder *decoder)
+{
+ struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder*)decoder;
+
+ assert(decoder);
+
+ /* Asserted in softpipe_delete_fs_state() for some reason */
+ dec->pipe->bind_vs_state(dec->pipe, NULL);
+ dec->pipe->bind_fs_state(dec->pipe, NULL);
+
+ dec->pipe->delete_depth_stencil_alpha_state(dec->pipe, dec->dsa);
+
+ vl_mc_cleanup(&dec->mc_y);
+ vl_mc_cleanup(&dec->mc_c);
+
+ if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) {
+ vl_idct_cleanup(&dec->idct_y);
+ vl_idct_cleanup(&dec->idct_c);
+ }
+
+ vl_zscan_cleanup(&dec->zscan_y);
+ vl_zscan_cleanup(&dec->zscan_c);
+
+ dec->pipe->delete_vertex_elements_state(dec->pipe, dec->ves_ycbcr);
+ dec->pipe->delete_vertex_elements_state(dec->pipe, dec->ves_mv);
+
+ pipe_resource_reference(&dec->quads.buffer, NULL);
+ pipe_resource_reference(&dec->pos.buffer, NULL);
+
+ FREE(dec);
+}
+
+static struct pipe_video_decode_buffer *
+vl_mpeg12_create_buffer(struct pipe_video_decoder *decoder)
+{
+ struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder*)decoder;
+ struct vl_mpeg12_buffer *buffer;
+
+ assert(dec);
+
+ buffer = CALLOC_STRUCT(vl_mpeg12_buffer);
+ if (buffer == NULL)
+ return NULL;
+
+ buffer->base.decoder = decoder;
+ buffer->base.destroy = vl_mpeg12_buffer_destroy;
+ buffer->base.map = vl_mpeg12_buffer_map;
+ buffer->base.get_ycbcr_stream = vl_mpeg12_buffer_get_ycbcr_stream;
+ buffer->base.get_ycbcr_buffer = vl_mpeg12_buffer_get_ycbcr_buffer;
+ buffer->base.get_mv_stream_stride = vl_mpeg12_buffer_get_mv_stream_stride;
+ buffer->base.get_mv_stream = vl_mpeg12_buffer_get_mv_stream;
+ buffer->base.unmap = vl_mpeg12_buffer_unmap;
+
+ if (!vl_vb_init(&buffer->vertex_stream, dec->pipe,
+ dec->base.width / MACROBLOCK_WIDTH,
+ dec->base.height / MACROBLOCK_HEIGHT))
+ goto error_vertex_buffer;
+
+ if (!init_mc_buffer(buffer))
+ goto error_mc;
+
+ if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT)
+ if (!init_idct_buffer(buffer))
+ goto error_idct;
+
+ if (!init_zscan_buffer(buffer))
+ goto error_zscan;
+
+ return &buffer->base;
+
+error_zscan:
+ if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT)
+ 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_decoder_flush_buffer(struct pipe_video_decode_buffer *buffer,
+ unsigned num_ycbcr_blocks[3],
+ struct pipe_video_buffer *refs[2],
+ struct pipe_video_buffer *dst,
+ struct pipe_fence_handle **fence)
+{
+ struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer *)buffer;
+ struct vl_mpeg12_decoder *dec;
+
+ struct pipe_sampler_view **sv[2];
+ struct pipe_surface **surfaces;
+
+ struct pipe_vertex_buffer vb[3];
+
+ unsigned i, j;
+
+ assert(buf);
+
+ dec = (struct vl_mpeg12_decoder *)buf->base.decoder;
+ assert(dec);
+
+ for (i = 0; i < 2; ++i)
+ sv[i] = refs[i] ? refs[i]->get_sampler_views(refs[i]) : NULL;
+
+ surfaces = dst->get_surfaces(dst);
+
+ vb[0] = dec->quads;
+ vb[1] = dec->pos;
+
+ dec->pipe->bind_vertex_elements_state(dec->pipe, dec->ves_mv);
+ for (i = 0; i < VL_MAX_PLANES; ++i) {
+ vl_mc_set_surface(&buf->mc[i], surfaces[i]);
+
+ for (j = 0; j < 2; ++j) {
+ if (sv[j] == NULL) continue;
+
+ vb[2] = vl_vb_get_mv(&buf->vertex_stream, j);;
+ dec->pipe->set_vertex_buffers(dec->pipe, 3, vb);
+
+ vl_mc_render_ref(&buf->mc[i], sv[j][i]);
+ }
+ }
+
+ dec->pipe->bind_vertex_elements_state(dec->pipe, dec->ves_ycbcr);
+ for (i = 0; i < VL_MAX_PLANES; ++i) {
+ if (num_ycbcr_blocks[i] == 0) continue;
+
+ vb[1] = vl_vb_get_ycbcr(&buf->vertex_stream, i);
+ dec->pipe->set_vertex_buffers(dec->pipe, 2, vb);
+
+ vl_zscan_render(&buf->zscan[i] , num_ycbcr_blocks[i]);
+
+ if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT)
+ vl_idct_flush(i == 0 ? &dec->idct_y : &dec->idct_c, &buf->idct[i], num_ycbcr_blocks[i]);
+
+ vl_mc_render_ycbcr(&buf->mc[i], num_ycbcr_blocks[i]);
+ }
+
+ dec->pipe->flush(dec->pipe, fence);
+}
+
+static bool
+init_pipe_state(struct vl_mpeg12_decoder *dec)
+{
+ struct pipe_depth_stencil_alpha_state dsa;
+ 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->pipe->create_depth_stencil_alpha_state(dec->pipe, &dsa);
+ dec->pipe->bind_depth_stencil_alpha_state(dec->pipe, dec->dsa);
+
+ return true;
+}
+
+static enum pipe_format
+find_first_supported_format(struct vl_mpeg12_decoder *dec,
+ const enum pipe_format formats[],
+ unsigned num_formats,
+ enum pipe_texture_target target)
+{
+ struct pipe_screen *screen;
+ unsigned i;
+
+ assert(dec);
+
+ screen = dec->pipe->screen;
+
+ for (i = 0; i < num_formats; ++i)
+ if (screen->is_format_supported(dec->pipe->screen, formats[i], target, 1,
+ PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET))
+ return formats[i];
+
+ return PIPE_FORMAT_NONE;
+}
+
+static bool
+init_zscan(struct vl_mpeg12_decoder *dec)
+{
+ struct pipe_sampler_view *layout;
+
+ unsigned num_channels;
+
+ assert(dec);
+
+ dec->blocks_per_line = 4;
+ dec->max_blocks =
+ (dec->base.width * dec->base.height) /
+ (BLOCK_WIDTH * BLOCK_HEIGHT);
+
+ dec->zscan_source_format = find_first_supported_format(dec, const_zscan_source_formats,
+ num_zscan_source_formats, PIPE_TEXTURE_2D);
+
+ if (dec->zscan_source_format == PIPE_FORMAT_NONE)
+ return false;
+
+ layout = vl_zscan_linear(dec->pipe, dec->blocks_per_line);
+
+ num_channels = dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT ? 4 : 1;
+
+ if (!vl_zscan_init(&dec->zscan_y, dec->pipe, dec->base.width, dec->base.height,
+ dec->blocks_per_line, dec->max_blocks, num_channels))
+ return false;
+
+ vl_zscan_set_layout(&dec->zscan_y, layout);
+
+ if (!vl_zscan_init(&dec->zscan_c, dec->pipe, dec->chroma_width, dec->chroma_height,
+ dec->blocks_per_line, dec->max_blocks, num_channels))
+ return false;
+
+ vl_zscan_set_layout(&dec->zscan_c, layout);
+
+ return true;
+}
+
+static bool
+init_idct(struct vl_mpeg12_decoder *dec)
+{
++ struct pipe_sampler_view *matrix, *transpose = NULL;
+ float matrix_scale, transpose_scale;
+
+ dec->nr_of_idct_render_targets = dec->pipe->screen->get_param(dec->pipe->screen, PIPE_CAP_MAX_RENDER_TARGETS);
+
+ // more than 4 render targets usually doesn't makes any seens
+ dec->nr_of_idct_render_targets = MIN2(dec->nr_of_idct_render_targets, 4);
+
+ dec->idct_source_format = find_first_supported_format(dec, const_idct_source_formats,
+ num_idct_source_formats, PIPE_TEXTURE_2D);
+
+ if (dec->idct_source_format == PIPE_FORMAT_NONE)
+ return false;
+
+ dec->idct_intermediate_format = find_first_supported_format(dec, const_idct_intermediate_formats,
+ num_idct_intermediate_formats, PIPE_TEXTURE_3D);
+
+ if (dec->idct_intermediate_format == PIPE_FORMAT_NONE)
+ return false;
+
+ switch (dec->idct_source_format) {
+ case PIPE_FORMAT_R16G16B16A16_SSCALED:
+ matrix_scale = SCALE_FACTOR_SSCALED;
+ break;
+
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ matrix_scale = SCALE_FACTOR_SNORM;
+ break;
+
+ default:
+ assert(0);
+ return false;
+ }
+
+ if (dec->idct_intermediate_format == PIPE_FORMAT_R16G16B16A16_FLOAT ||
+ dec->idct_intermediate_format == PIPE_FORMAT_R32G32B32A32_FLOAT)
+ transpose_scale = 1.0f;
+ else
+ transpose_scale = matrix_scale = sqrt(matrix_scale);
+
+ if (dec->mc_source_format == PIPE_FORMAT_R16_SSCALED)
+ transpose_scale /= SCALE_FACTOR_SSCALED;
+
+ if (!(matrix = vl_idct_upload_matrix(dec->pipe, matrix_scale)))
+ goto error_matrix;
+
+ if (matrix_scale != transpose_scale) {
+ if (!(transpose = vl_idct_upload_matrix(dec->pipe, transpose_scale)))
+ goto error_transpose;
+ } else
+ pipe_sampler_view_reference(&transpose, matrix);
+
+ if (!vl_idct_init(&dec->idct_y, dec->pipe, dec->base.width, dec->base.height,
+ dec->nr_of_idct_render_targets, matrix, transpose))
+ goto error_y;
+
+ if(!vl_idct_init(&dec->idct_c, dec->pipe, dec->chroma_width, dec->chroma_height,
+ dec->nr_of_idct_render_targets, matrix, transpose))
+ goto error_c;
+
+ pipe_sampler_view_reference(&matrix, NULL);
+ pipe_sampler_view_reference(&transpose, NULL);
+ return true;
+
+error_c:
+ vl_idct_cleanup(&dec->idct_y);
+
+error_y:
+ pipe_sampler_view_reference(&transpose, NULL);
+
+error_transpose:
+ pipe_sampler_view_reference(&matrix, NULL);
+
+error_matrix:
+ return false;
+}
+
+struct pipe_video_decoder *
+vl_create_mpeg12_decoder(struct pipe_video_context *context,
+ struct pipe_context *pipe,
+ enum pipe_video_profile profile,
+ enum pipe_video_entrypoint entrypoint,
+ enum pipe_video_chroma_format chroma_format,
+ unsigned width, unsigned height)
+{
+ struct vl_mpeg12_decoder *dec;
+ float mc_scale;
+
+ assert(u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG12);
+
+ dec = CALLOC_STRUCT(vl_mpeg12_decoder);
+
+ if (!dec)
+ return NULL;
+
+ dec->base.context = context;
+ dec->base.profile = profile;
+ dec->base.entrypoint = entrypoint;
+ dec->base.chroma_format = chroma_format;
+ dec->base.width = width;
+ dec->base.height = height;
+
+ dec->base.destroy = vl_mpeg12_destroy;
+ dec->base.create_buffer = vl_mpeg12_create_buffer;
+ dec->base.flush_buffer = vl_mpeg12_decoder_flush_buffer;
+
+ dec->base.width = align(width, MACROBLOCK_WIDTH);
+ dec->base.height = align(height, MACROBLOCK_HEIGHT);
+
+ dec->pipe = pipe;
+
+ dec->quads = vl_vb_upload_quads(dec->pipe);
+ dec->pos = vl_vb_upload_pos(
+ dec->pipe,
+ dec->base.width / MACROBLOCK_WIDTH,
+ dec->base.height / MACROBLOCK_HEIGHT
+ );
+
+ dec->ves_ycbcr = vl_vb_get_ves_ycbcr(dec->pipe);
+ dec->ves_mv = vl_vb_get_ves_mv(dec->pipe);
+
+ /* TODO: Implement 422, 444 */
+ assert(dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420);
+
+ dec->mc_source_format = find_first_supported_format(dec, const_mc_source_formats,
+ num_mc_source_formats, PIPE_TEXTURE_3D);
+
+ if (dec->mc_source_format == PIPE_FORMAT_NONE)
+ return NULL;
+
+ if (dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) {
+ dec->chroma_width = dec->base.width / 2;
+ dec->chroma_height = dec->base.height / 2;
+ } else if (dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) {
+ dec->chroma_width = dec->base.width;
+ dec->chroma_height = dec->base.height / 2;
+ } else {
+ dec->chroma_width = dec->base.width;
+ dec->chroma_height = dec->base.height;
+ }
+
+ if (!init_zscan(dec))
+ goto error_zscan;
+
+ if (entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) {
+ if (!init_idct(dec))
+ goto error_idct;
+ if (dec->mc_source_format == PIPE_FORMAT_R16_SSCALED)
+ mc_scale = SCALE_FACTOR_SSCALED;
+ else
+ mc_scale = 1.0f;
+ } else {
+ switch (dec->mc_source_format) {
+ case PIPE_FORMAT_R16_SNORM:
+ mc_scale = SCALE_FACTOR_SNORM;
+ break;
+
+ case PIPE_FORMAT_R16_SSCALED:
+ mc_scale = SCALE_FACTOR_SSCALED;
+ break;
+
+ default:
+ assert(0);
+ return NULL;
+ }
+ }
+
+ if (!vl_mc_init(&dec->mc_y, dec->pipe, dec->base.width, dec->base.height, MACROBLOCK_HEIGHT, mc_scale))
+ goto error_mc_y;
+
+ // TODO
+ if (!vl_mc_init(&dec->mc_c, dec->pipe, dec->base.width, dec->base.height, BLOCK_HEIGHT, mc_scale))
+ goto error_mc_c;
+
+ if (!init_pipe_state(dec))
+ goto error_pipe_state;
+
+ 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 (entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) {
+ vl_idct_cleanup(&dec->idct_y);
+ vl_idct_cleanup(&dec->idct_c);
+ }
+
+error_idct:
+ vl_zscan_cleanup(&dec->zscan_y);
+ vl_zscan_cleanup(&dec->zscan_c);
+
+error_zscan:
+ FREE(dec);
+ return NULL;
+}
projects / mesa.git / commitdiff