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vp9: remove partition+entropy contexts from common

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these are now handled separately by the encoder and decoder

Change-Id: If9b16f7d734e992fb94a510a6d88f2690d7fb7cb
This commit is contained in:
James Zern 2013-10-24 21:33:46 +02:00
parent e571d3badc
commit 7b9ca3caa7
2 changed files with 1 additions and 35 deletions
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28
vp9/common/vp9_alloccommon.c
View File

@ -41,17 +41,12 @@ void vp9_free_frame_buffers(VP9_COMMON *cm) {
vpx_free(cm->mip);
vpx_free(cm->prev_mip);
vpx_free(cm->above_seg_context);
vpx_free(cm->last_frame_seg_map);
vpx_free(cm->mi_grid_base);
vpx_free(cm->prev_mi_grid_base);
vpx_free(cm->above_context[0]);
for (i = 0; i < MAX_MB_PLANE; i++)
cm->above_context[i] = 0;
cm->mip = NULL;
cm->prev_mip = NULL;
cm->above_seg_context = NULL;
cm->last_frame_seg_map = NULL;
cm->mi_grid_base = NULL;
cm->prev_mi_grid_base = NULL;
@ -85,7 +80,7 @@ static void setup_mi(VP9_COMMON *cm) {
}
int vp9_alloc_frame_buffers(VP9_COMMON *cm, int width, int height) {
int i, mi_cols;
int i;
const int aligned_width = ALIGN_POWER_OF_TWO(width, MI_SIZE_LOG2);
const int aligned_height = ALIGN_POWER_OF_TWO(height, MI_SIZE_LOG2);
@ -140,21 +135,6 @@ int vp9_alloc_frame_buffers(VP9_COMMON *cm, int width, int height) {
setup_mi(cm);
// FIXME(jkoleszar): allocate subsampled arrays for U/V once subsampling
// information is exposed at this level
mi_cols = mi_cols_aligned_to_sb(cm->mi_cols);
// 2 contexts per 'mi unit', so that we have one context per 4x4 txfm
// block where mi unit size is 8x8.
cm->above_context[0] = vpx_calloc(sizeof(ENTROPY_CONTEXT) * MAX_MB_PLANE *
(2 * mi_cols), 1);
if (!cm->above_context[0])
goto fail;
cm->above_seg_context = vpx_calloc(sizeof(PARTITION_CONTEXT) * mi_cols, 1);
if (!cm->above_seg_context)
goto fail;
// Create the segmentation map structure and set to 0.
cm->last_frame_seg_map = vpx_calloc(cm->mi_rows * cm->mi_cols, 1);
if (!cm->last_frame_seg_map)
@ -186,18 +166,12 @@ void vp9_initialize_common() {
}
void vp9_update_frame_size(VP9_COMMON *cm) {
int i, mi_cols;
const int aligned_width = ALIGN_POWER_OF_TWO(cm->width, MI_SIZE_LOG2);
const int aligned_height = ALIGN_POWER_OF_TWO(cm->height, MI_SIZE_LOG2);
set_mb_mi(cm, aligned_width, aligned_height);
setup_mi(cm);
mi_cols = mi_cols_aligned_to_sb(cm->mi_cols);
for (i = 1; i < MAX_MB_PLANE; i++)
cm->above_context[i] =
cm->above_context[0] + i * sizeof(ENTROPY_CONTEXT) * 2 * mi_cols;
// Initialize the previous frame segment map to 0.
if (cm->last_frame_seg_map)
vpx_memset(cm->last_frame_seg_map, 0, cm->mi_rows * cm->mi_cols);

8
vp9/common/vp9_onyxc_int.h
View File

@ -183,14 +183,6 @@ typedef struct VP9Common {
struct loopfilter lf;
struct segmentation seg;
/* Y,U,V */
ENTROPY_CONTEXT *above_context[MAX_MB_PLANE];
ENTROPY_CONTEXT left_context[MAX_MB_PLANE][16];
// partition contexts
PARTITION_CONTEXT *above_seg_context;
PARTITION_CONTEXT left_seg_context[8];
// Context probabilities for reference frame prediction
int allow_comp_inter_inter;
MV_REFERENCE_FRAME comp_fixed_ref;