michael@0: /*
michael@0:  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
michael@0:  *
michael@0:  *  Use of this source code is governed by a BSD-style license
michael@0:  *  that can be found in the LICENSE file in the root of the source
michael@0:  *  tree. An additional intellectual property rights grant can be found
michael@0:  *  in the file PATENTS.  All contributing project authors may
michael@0:  *  be found in the AUTHORS file in the root of the source tree.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #include "vpx_config.h"
michael@0: #include "blockd.h"
michael@0: #include "vpx_mem/vpx_mem.h"
michael@0: #include "onyxc_int.h"
michael@0: #include "findnearmv.h"
michael@0: #include "entropymode.h"
michael@0: #include "systemdependent.h"
michael@0: 
michael@0: void vp8_de_alloc_frame_buffers(VP8_COMMON *oci)
michael@0: {
michael@0:     int i;
michael@0:     for (i = 0; i < NUM_YV12_BUFFERS; i++)
michael@0:         vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]);
michael@0: 
michael@0:     vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame);
michael@0: #if CONFIG_POSTPROC
michael@0:     vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer);
michael@0:     if (oci->post_proc_buffer_int_used)
michael@0:         vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer_int);
michael@0: 
michael@0:     vpx_free(oci->pp_limits_buffer);
michael@0:     oci->pp_limits_buffer = NULL;
michael@0: #endif
michael@0: 
michael@0:     vpx_free(oci->above_context);
michael@0:     vpx_free(oci->mip);
michael@0: #if CONFIG_ERROR_CONCEALMENT
michael@0:     vpx_free(oci->prev_mip);
michael@0:     oci->prev_mip = NULL;
michael@0: #endif
michael@0: 
michael@0:     oci->above_context = NULL;
michael@0:     oci->mip = NULL;
michael@0: }
michael@0: 
michael@0: int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height)
michael@0: {
michael@0:     int i;
michael@0: 
michael@0:     vp8_de_alloc_frame_buffers(oci);
michael@0: 
michael@0:     /* our internal buffers are always multiples of 16 */
michael@0:     if ((width & 0xf) != 0)
michael@0:         width += 16 - (width & 0xf);
michael@0: 
michael@0:     if ((height & 0xf) != 0)
michael@0:         height += 16 - (height & 0xf);
michael@0: 
michael@0: 
michael@0:     for (i = 0; i < NUM_YV12_BUFFERS; i++)
michael@0:     {
michael@0:         oci->fb_idx_ref_cnt[i] = 0;
michael@0:         oci->yv12_fb[i].flags = 0;
michael@0:         if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height, VP8BORDERINPIXELS) < 0)
michael@0:             goto allocation_fail;
michael@0:     }
michael@0: 
michael@0:     oci->new_fb_idx = 0;
michael@0:     oci->lst_fb_idx = 1;
michael@0:     oci->gld_fb_idx = 2;
michael@0:     oci->alt_fb_idx = 3;
michael@0: 
michael@0:     oci->fb_idx_ref_cnt[0] = 1;
michael@0:     oci->fb_idx_ref_cnt[1] = 1;
michael@0:     oci->fb_idx_ref_cnt[2] = 1;
michael@0:     oci->fb_idx_ref_cnt[3] = 1;
michael@0: 
michael@0:     if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame,   width, 16, VP8BORDERINPIXELS) < 0)
michael@0:         goto allocation_fail;
michael@0: 
michael@0:     oci->mb_rows = height >> 4;
michael@0:     oci->mb_cols = width >> 4;
michael@0:     oci->MBs = oci->mb_rows * oci->mb_cols;
michael@0:     oci->mode_info_stride = oci->mb_cols + 1;
michael@0:     oci->mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));
michael@0: 
michael@0:     if (!oci->mip)
michael@0:         goto allocation_fail;
michael@0: 
michael@0:     oci->mi = oci->mip + oci->mode_info_stride + 1;
michael@0: 
michael@0:     /* Allocation of previous mode info will be done in vp8_decode_frame()
michael@0:      * as it is a decoder only data */
michael@0: 
michael@0:     oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);
michael@0: 
michael@0:     if (!oci->above_context)
michael@0:         goto allocation_fail;
michael@0: 
michael@0: #if CONFIG_POSTPROC
michael@0:     if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height, VP8BORDERINPIXELS) < 0)
michael@0:         goto allocation_fail;
michael@0: 
michael@0:     oci->post_proc_buffer_int_used = 0;
michael@0:     vpx_memset(&oci->postproc_state, 0, sizeof(oci->postproc_state));
michael@0:     vpx_memset(oci->post_proc_buffer.buffer_alloc, 128,
michael@0:                oci->post_proc_buffer.frame_size);
michael@0: 
michael@0:     /* Allocate buffer to store post-processing filter coefficients.
michael@0:      *
michael@0:      * Note: Round up mb_cols to support SIMD reads
michael@0:      */
michael@0:     oci->pp_limits_buffer = vpx_memalign(16, 24 * ((oci->mb_cols + 1) & ~1));
michael@0:     if (!oci->pp_limits_buffer)
michael@0:         goto allocation_fail;
michael@0: #endif
michael@0: 
michael@0:     return 0;
michael@0: 
michael@0: allocation_fail:
michael@0:     vp8_de_alloc_frame_buffers(oci);
michael@0:     return 1;
michael@0: }
michael@0: 
michael@0: void vp8_setup_version(VP8_COMMON *cm)
michael@0: {
michael@0:     switch (cm->version)
michael@0:     {
michael@0:     case 0:
michael@0:         cm->no_lpf = 0;
michael@0:         cm->filter_type = NORMAL_LOOPFILTER;
michael@0:         cm->use_bilinear_mc_filter = 0;
michael@0:         cm->full_pixel = 0;
michael@0:         break;
michael@0:     case 1:
michael@0:         cm->no_lpf = 0;
michael@0:         cm->filter_type = SIMPLE_LOOPFILTER;
michael@0:         cm->use_bilinear_mc_filter = 1;
michael@0:         cm->full_pixel = 0;
michael@0:         break;
michael@0:     case 2:
michael@0:         cm->no_lpf = 1;
michael@0:         cm->filter_type = NORMAL_LOOPFILTER;
michael@0:         cm->use_bilinear_mc_filter = 1;
michael@0:         cm->full_pixel = 0;
michael@0:         break;
michael@0:     case 3:
michael@0:         cm->no_lpf = 1;
michael@0:         cm->filter_type = SIMPLE_LOOPFILTER;
michael@0:         cm->use_bilinear_mc_filter = 1;
michael@0:         cm->full_pixel = 1;
michael@0:         break;
michael@0:     default:
michael@0:         /*4,5,6,7 are reserved for future use*/
michael@0:         cm->no_lpf = 0;
michael@0:         cm->filter_type = NORMAL_LOOPFILTER;
michael@0:         cm->use_bilinear_mc_filter = 0;
michael@0:         cm->full_pixel = 0;
michael@0:         break;
michael@0:     }
michael@0: }
michael@0: void vp8_create_common(VP8_COMMON *oci)
michael@0: {
michael@0:     vp8_machine_specific_config(oci);
michael@0: 
michael@0:     vp8_init_mbmode_probs(oci);
michael@0:     vp8_default_bmode_probs(oci->fc.bmode_prob);
michael@0: 
michael@0:     oci->mb_no_coeff_skip = 1;
michael@0:     oci->no_lpf = 0;
michael@0:     oci->filter_type = NORMAL_LOOPFILTER;
michael@0:     oci->use_bilinear_mc_filter = 0;
michael@0:     oci->full_pixel = 0;
michael@0:     oci->multi_token_partition = ONE_PARTITION;
michael@0:     oci->clamp_type = RECON_CLAMP_REQUIRED;
michael@0: 
michael@0:     /* Initialize reference frame sign bias structure to defaults */
michael@0:     vpx_memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias));
michael@0: 
michael@0:     /* Default disable buffer to buffer copying */
michael@0:     oci->copy_buffer_to_gf = 0;
michael@0:     oci->copy_buffer_to_arf = 0;
michael@0: }
michael@0: 
michael@0: void vp8_remove_common(VP8_COMMON *oci)
michael@0: {
michael@0:     vp8_de_alloc_frame_buffers(oci);
michael@0: }