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authorJohn Koleszar <jkoleszar@google.com>2012-11-27 13:59:17 -0800
committerJohn Koleszar <jkoleszar@google.com>2012-11-27 14:12:30 -0800
commitfcccbcbb395ce4cf31b54ce1245cc28e5e3ef4c1 (patch)
tree68e128e48e3f5ab1de1c163fa3a12ea47f5d8d51 /vp9/common/vp9_alloccommon.c
parent3bf7b131c8ebb6b4d63a8b70d69066dcbc4ed896 (diff)
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Add vp9_ prefix to all vp9 files
Support for gyp which doesn't support multiple objects in the same static library having the same basename. Change-Id: Ib947eefbaf68f8b177a796d23f875ccdfa6bc9dc
Diffstat (limited to 'vp9/common/vp9_alloccommon.c')
-rw-r--r--vp9/common/vp9_alloccommon.c223
1 files changed, 223 insertions, 0 deletions
diff --git a/vp9/common/vp9_alloccommon.c b/vp9/common/vp9_alloccommon.c
new file mode 100644
index 000000000..04a8b368a
--- /dev/null
+++ b/vp9/common/vp9_alloccommon.c
@@ -0,0 +1,223 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+#include "vpx_ports/config.h"
+#include "vp9_blockd.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vp9_onyxc_int.h"
+#include "vp9_findnearmv.h"
+#include "vp9_entropymode.h"
+#include "vp9_entropymv.h"
+#include "vp9_systemdependent.h"
+
+
+void vp9_update_mode_info_border(VP9_COMMON *cpi, MODE_INFO *mi_base) {
+ int stride = cpi->mode_info_stride;
+ int i;
+
+ // Clear down top border row
+ vpx_memset(mi_base, 0, sizeof(MODE_INFO) * cpi->mode_info_stride);
+
+ // Clear left border column
+ for (i = 1; i < cpi->mb_rows + 1; i++) {
+ vpx_memset(&mi_base[i * stride], 0, sizeof(MODE_INFO));
+ }
+}
+
+void vp9_update_mode_info_in_image(VP9_COMMON *cpi, MODE_INFO *mi) {
+ int i, j;
+
+ // For each in image mode_info element set the in image flag to 1
+ for (i = 0; i < cpi->mb_rows; i++) {
+ for (j = 0; j < cpi->mb_cols; j++) {
+ mi->mbmi.mb_in_image = 1;
+ mi++; // Next element in the row
+ }
+
+ mi++; // Step over border element at start of next row
+ }
+}
+
+void vp9_de_alloc_frame_buffers(VP9_COMMON *oci) {
+ int i;
+
+ for (i = 0; i < NUM_YV12_BUFFERS; i++)
+ vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]);
+
+ vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame);
+ vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer);
+
+ vpx_free(oci->above_context);
+ vpx_free(oci->mip);
+ vpx_free(oci->prev_mip);
+
+ oci->above_context = 0;
+ oci->mip = 0;
+ oci->prev_mip = 0;
+
+}
+
+int vp9_alloc_frame_buffers(VP9_COMMON *oci, int width, int height) {
+ int i;
+
+ vp9_de_alloc_frame_buffers(oci);
+
+ /* our internal buffers are always multiples of 16 */
+ if ((width & 0xf) != 0)
+ width += 16 - (width & 0xf);
+
+ if ((height & 0xf) != 0)
+ height += 16 - (height & 0xf);
+
+
+ for (i = 0; i < NUM_YV12_BUFFERS; i++) {
+ oci->fb_idx_ref_cnt[i] = 0;
+ oci->yv12_fb[i].flags = 0;
+ if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height,
+ VP9BORDERINPIXELS) < 0) {
+ vp9_de_alloc_frame_buffers(oci);
+ return 1;
+ }
+ }
+
+ oci->new_fb_idx = 0;
+ oci->lst_fb_idx = 1;
+ oci->gld_fb_idx = 2;
+ oci->alt_fb_idx = 3;
+
+ oci->fb_idx_ref_cnt[0] = 1;
+ oci->fb_idx_ref_cnt[1] = 1;
+ oci->fb_idx_ref_cnt[2] = 1;
+ oci->fb_idx_ref_cnt[3] = 1;
+
+ if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame, width, 16,
+ VP9BORDERINPIXELS) < 0) {
+ vp9_de_alloc_frame_buffers(oci);
+ return 1;
+ }
+
+ if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height,
+ VP9BORDERINPIXELS) < 0) {
+ vp9_de_alloc_frame_buffers(oci);
+ return 1;
+ }
+
+ oci->mb_rows = height >> 4;
+ oci->mb_cols = width >> 4;
+ oci->MBs = oci->mb_rows * oci->mb_cols;
+ oci->mode_info_stride = oci->mb_cols + 1;
+ oci->mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));
+
+ if (!oci->mip) {
+ vp9_de_alloc_frame_buffers(oci);
+ return 1;
+ }
+
+ oci->mi = oci->mip + oci->mode_info_stride + 1;
+
+ /* allocate memory for last frame MODE_INFO array */
+
+ oci->prev_mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));
+
+ if (!oci->prev_mip) {
+ vp9_de_alloc_frame_buffers(oci);
+ return 1;
+ }
+
+ oci->prev_mi = oci->prev_mip + oci->mode_info_stride + 1;
+
+ oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);
+
+ if (!oci->above_context) {
+ vp9_de_alloc_frame_buffers(oci);
+ return 1;
+ }
+
+ vp9_update_mode_info_border(oci, oci->mip);
+ vp9_update_mode_info_in_image(oci, oci->mi);
+
+ return 0;
+}
+void vp9_setup_version(VP9_COMMON *cm) {
+ if (cm->version & 0x4) {
+ if (!CONFIG_EXPERIMENTAL)
+ vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
+ "Bitstream was created by an experimental "
+ "encoder");
+ cm->experimental = 1;
+ }
+
+ switch (cm->version & 0x3) {
+ case 0:
+ cm->no_lpf = 0;
+ cm->filter_type = NORMAL_LOOPFILTER;
+ cm->use_bilinear_mc_filter = 0;
+ cm->full_pixel = 0;
+ break;
+ case 1:
+ cm->no_lpf = 0;
+ cm->filter_type = SIMPLE_LOOPFILTER;
+ cm->use_bilinear_mc_filter = 1;
+ cm->full_pixel = 0;
+ break;
+ case 2:
+ case 3:
+ cm->no_lpf = 1;
+ cm->filter_type = NORMAL_LOOPFILTER;
+ cm->use_bilinear_mc_filter = 1;
+ cm->full_pixel = 0;
+ break;
+ // Full pel only code deprecated in experimental code base
+ // case 3:
+ // cm->no_lpf = 1;
+ // cm->filter_type = SIMPLE_LOOPFILTER;
+ // cm->use_bilinear_mc_filter = 1;
+ // cm->full_pixel = 1;
+ // break;
+ }
+}
+void vp9_create_common(VP9_COMMON *oci) {
+ vp9_machine_specific_config(oci);
+
+ vp9_init_mbmode_probs(oci);
+
+ vp9_default_bmode_probs(oci->fc.bmode_prob);
+
+ oci->txfm_mode = ONLY_4X4;
+ oci->mb_no_coeff_skip = 1;
+ oci->comp_pred_mode = HYBRID_PREDICTION;
+ oci->no_lpf = 0;
+ oci->filter_type = NORMAL_LOOPFILTER;
+ oci->use_bilinear_mc_filter = 0;
+ oci->full_pixel = 0;
+ oci->clr_type = REG_YUV;
+ oci->clamp_type = RECON_CLAMP_REQUIRED;
+
+ /* Initialise reference frame sign bias structure to defaults */
+ vpx_memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias));
+
+ /* Default disable buffer to buffer copying */
+ oci->copy_buffer_to_gf = 0;
+ oci->copy_buffer_to_arf = 0;
+ oci->kf_ymode_probs_update = 0;
+}
+
+void vp9_remove_common(VP9_COMMON *oci) {
+ vp9_de_alloc_frame_buffers(oci);
+}
+
+void vp9_initialize_common() {
+ vp9_coef_tree_initialize();
+
+ vp9_entropy_mode_init();
+
+ vp9_entropy_mv_init();
+}