mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
202 lines
4.9 KiB
C
202 lines
4.9 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "vpx_ports/config.h"
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#include "blockd.h"
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#include "vpx_mem/vpx_mem.h"
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#include "onyxc_int.h"
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#include "findnearmv.h"
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#include "entropymode.h"
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#include "systemdependent.h"
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#include "vpxerrors.h"
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extern void vp8_init_scan_order_mask();
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void vp8_update_mode_info_border(MODE_INFO *mi, int rows, int cols)
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{
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int i;
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vpx_memset(mi - cols - 2, 0, sizeof(MODE_INFO) * (cols + 1));
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for (i = 0; i < rows; i++)
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{
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vpx_memset(&mi[i*cols-1], 0, sizeof(MODE_INFO));
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}
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}
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void vp8_de_alloc_frame_buffers(VP8_COMMON *oci)
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{
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int i;
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for (i = 0; i < NUM_YV12_BUFFERS; i++)
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vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]);
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vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame);
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vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer);
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vpx_free(oci->above_context);
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vpx_free(oci->mip);
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oci->above_context = 0;
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oci->mip = 0;
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}
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int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height)
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{
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int i;
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vp8_de_alloc_frame_buffers(oci);
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/* our internal buffers are always multiples of 16 */
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if ((width & 0xf) != 0)
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width += 16 - (width & 0xf);
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if ((height & 0xf) != 0)
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height += 16 - (height & 0xf);
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for (i = 0; i < NUM_YV12_BUFFERS; i++)
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{
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oci->fb_idx_ref_cnt[0] = 0;
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if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height, VP8BORDERINPIXELS) < 0)
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{
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vp8_de_alloc_frame_buffers(oci);
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return ALLOC_FAILURE;
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}
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}
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oci->new_fb_idx = 0;
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oci->lst_fb_idx = 1;
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oci->gld_fb_idx = 2;
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oci->alt_fb_idx = 3;
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oci->fb_idx_ref_cnt[0] = 1;
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oci->fb_idx_ref_cnt[1] = 1;
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oci->fb_idx_ref_cnt[2] = 1;
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oci->fb_idx_ref_cnt[3] = 1;
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if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame, width, 16, VP8BORDERINPIXELS) < 0)
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{
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vp8_de_alloc_frame_buffers(oci);
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return ALLOC_FAILURE;
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}
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if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height, VP8BORDERINPIXELS) < 0)
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{
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vp8_de_alloc_frame_buffers(oci);
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return ALLOC_FAILURE;
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}
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oci->mb_rows = height >> 4;
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oci->mb_cols = width >> 4;
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oci->MBs = oci->mb_rows * oci->mb_cols;
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oci->mode_info_stride = oci->mb_cols + 1;
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oci->mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));
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if (!oci->mip)
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{
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vp8_de_alloc_frame_buffers(oci);
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return ALLOC_FAILURE;
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}
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oci->mi = oci->mip + oci->mode_info_stride + 1;
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oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);
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if (!oci->above_context)
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{
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vp8_de_alloc_frame_buffers(oci);
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return ALLOC_FAILURE;
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}
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vp8_update_mode_info_border(oci->mi, oci->mb_rows, oci->mb_cols);
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return 0;
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}
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void vp8_setup_version(VP8_COMMON *cm)
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{
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switch (cm->version)
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{
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case 0:
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cm->no_lpf = 0;
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cm->simpler_lpf = 0;
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cm->use_bilinear_mc_filter = 0;
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cm->full_pixel = 0;
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break;
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case 1:
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cm->no_lpf = 0;
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cm->simpler_lpf = 1;
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cm->use_bilinear_mc_filter = 1;
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cm->full_pixel = 0;
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break;
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case 2:
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cm->no_lpf = 1;
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cm->simpler_lpf = 0;
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cm->use_bilinear_mc_filter = 1;
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cm->full_pixel = 0;
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break;
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case 3:
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cm->no_lpf = 1;
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cm->simpler_lpf = 1;
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cm->use_bilinear_mc_filter = 1;
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cm->full_pixel = 1;
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break;
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default:
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/*4,5,6,7 are reserved for future use*/
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cm->no_lpf = 0;
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cm->simpler_lpf = 0;
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cm->use_bilinear_mc_filter = 0;
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cm->full_pixel = 0;
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break;
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}
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}
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void vp8_create_common(VP8_COMMON *oci)
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{
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vp8_machine_specific_config(oci);
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vp8_default_coef_probs(oci);
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vp8_init_mbmode_probs(oci);
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vp8_default_bmode_probs(oci->fc.bmode_prob);
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oci->mb_no_coeff_skip = 1;
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oci->no_lpf = 0;
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oci->simpler_lpf = 0;
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oci->use_bilinear_mc_filter = 0;
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oci->full_pixel = 0;
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oci->multi_token_partition = ONE_PARTITION;
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oci->clr_type = REG_YUV;
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oci->clamp_type = RECON_CLAMP_REQUIRED;
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/* Initialise reference frame sign bias structure to defaults */
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vpx_memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias));
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/* Default disable buffer to buffer copying */
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oci->copy_buffer_to_gf = 0;
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oci->copy_buffer_to_arf = 0;
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}
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void vp8_remove_common(VP8_COMMON *oci)
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{
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vp8_de_alloc_frame_buffers(oci);
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}
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void vp8_initialize_common()
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{
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vp8_coef_tree_initialize();
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vp8_entropy_mode_init();
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vp8_init_scan_order_mask();
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}
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