/*
- * H.26L/H.264/AVC/JVT/14496-10/... motion vector predicion
+ * H.26L/H.264/AVC/JVT/14496-10/... motion vector prediction
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of Libav.
/**
* @file
- * H.264 / AVC / MPEG4 part10 motion vector predicion.
+ * H.264 / AVC / MPEG-4 part10 motion vector prediction.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#include "internal.h"
#include "avcodec.h"
-#include "h264.h"
+#include "h264dec.h"
+#include "mpegutils.h"
-//#undef NDEBUG
#include <assert.h>
-static av_always_inline int fetch_diagonal_mv(H264Context *h, const int16_t **C,
+static av_always_inline int fetch_diagonal_mv(const H264Context *h, H264SliceContext *sl,
+ const int16_t **C,
int i, int list, int part_width)
{
- const int topright_ref = h->ref_cache[list][i - 8 + part_width];
+ const int topright_ref = sl->ref_cache[list][i - 8 + part_width];
/* there is no consistent mapping of mvs to neighboring locations that will
* make mbaff happy, so we can't move all this logic to fill_caches */
- if (FRAME_MBAFF) {
+ if (FRAME_MBAFF(h)) {
#define SET_DIAG_MV(MV_OP, REF_OP, XY, Y4) \
const int xy = XY, y4 = Y4; \
const int mb_type = mb_types[xy + (y4 >> 2) * h->mb_stride]; \
if (!USES_LIST(mb_type, list)) \
return LIST_NOT_USED; \
- mv = h->cur_pic_ptr->f.motion_val[list][h->mb2b_xy[xy] + 3 + y4 * h->b_stride]; \
- h->mv_cache[list][scan8[0] - 2][0] = mv[0]; \
- h->mv_cache[list][scan8[0] - 2][1] = mv[1] MV_OP; \
- return h->cur_pic_ptr->f.ref_index[list][4 * xy + 1 + (y4 & ~1)] REF_OP;
+ mv = h->cur_pic_ptr->motion_val[list][h->mb2b_xy[xy] + 3 + y4 * h->b_stride]; \
+ sl->mv_cache[list][scan8[0] - 2][0] = mv[0]; \
+ sl->mv_cache[list][scan8[0] - 2][1] = mv[1] MV_OP; \
+ return h->cur_pic_ptr->ref_index[list][4 * xy + 1 + (y4 & ~1)] REF_OP;
if (topright_ref == PART_NOT_AVAILABLE
&& i >= scan8[0] + 8 && (i & 7) == 4
- && h->ref_cache[list][scan8[0] - 1] != PART_NOT_AVAILABLE) {
- const uint32_t *mb_types = h->cur_pic_ptr->f.mb_type;
+ && sl->ref_cache[list][scan8[0] - 1] != PART_NOT_AVAILABLE) {
+ const uint32_t *mb_types = h->cur_pic_ptr->mb_type;
const int16_t *mv;
- AV_ZERO32(h->mv_cache[list][scan8[0] - 2]);
- *C = h->mv_cache[list][scan8[0] - 2];
+ AV_ZERO32(sl->mv_cache[list][scan8[0] - 2]);
+ *C = sl->mv_cache[list][scan8[0] - 2];
- if (!MB_FIELD && IS_INTERLACED(h->left_type[0])) {
- SET_DIAG_MV(* 2, >> 1, h->left_mb_xy[0] + h->mb_stride,
- (h->mb_y & 1) * 2 + (i >> 5));
+ if (!MB_FIELD(sl) && IS_INTERLACED(sl->left_type[0])) {
+ SET_DIAG_MV(* 2, >> 1, sl->left_mb_xy[0] + h->mb_stride,
+ (sl->mb_y & 1) * 2 + (i >> 5));
}
- if (MB_FIELD && !IS_INTERLACED(h->left_type[0])) {
+ if (MB_FIELD(sl) && !IS_INTERLACED(sl->left_type[0])) {
// left shift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's OK.
- SET_DIAG_MV(/ 2, << 1, h->left_mb_xy[i >= 36], ((i >> 2)) & 3);
+ SET_DIAG_MV(/ 2, << 1, sl->left_mb_xy[i >= 36], ((i >> 2)) & 3);
}
}
#undef SET_DIAG_MV
}
if (topright_ref != PART_NOT_AVAILABLE) {
- *C = h->mv_cache[list][i - 8 + part_width];
+ *C = sl->mv_cache[list][i - 8 + part_width];
return topright_ref;
} else {
- tprintf(h->avctx, "topright MV not available\n");
+ ff_tlog(h->avctx, "topright MV not available\n");
- *C = h->mv_cache[list][i - 8 - 1];
- return h->ref_cache[list][i - 8 - 1];
+ *C = sl->mv_cache[list][i - 8 - 1];
+ return sl->ref_cache[list][i - 8 - 1];
}
}
* @param mx the x component of the predicted motion vector
* @param my the y component of the predicted motion vector
*/
-static av_always_inline void pred_motion(H264Context *const h, int n,
+static av_always_inline void pred_motion(const H264Context *const h,
+ H264SliceContext *sl,
+ int n,
int part_width, int list, int ref,
int *const mx, int *const my)
{
const int index8 = scan8[n];
- const int top_ref = h->ref_cache[list][index8 - 8];
- const int left_ref = h->ref_cache[list][index8 - 1];
- const int16_t *const A = h->mv_cache[list][index8 - 1];
- const int16_t *const B = h->mv_cache[list][index8 - 8];
+ const int top_ref = sl->ref_cache[list][index8 - 8];
+ const int left_ref = sl->ref_cache[list][index8 - 1];
+ const int16_t *const A = sl->mv_cache[list][index8 - 1];
+ const int16_t *const B = sl->mv_cache[list][index8 - 8];
const int16_t *C;
int diagonal_ref, match_count;
* . . . L . . . .
*/
- diagonal_ref = fetch_diagonal_mv(h, &C, index8, list, part_width);
+ diagonal_ref = fetch_diagonal_mv(h, sl, &C, index8, list, part_width);
match_count = (diagonal_ref == ref) + (top_ref == ref) + (left_ref == ref);
- tprintf(h->avctx, "pred_motion match_count=%d\n", match_count);
+ ff_tlog(h->avctx, "pred_motion match_count=%d\n", match_count);
if (match_count > 1) { //most common
*mx = mid_pred(A[0], B[0], C[0]);
*my = mid_pred(A[1], B[1], C[1]);
}
}
- tprintf(h->avctx,
+ ff_tlog(h->avctx,
"pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n",
top_ref, B[0], B[1], diagonal_ref, C[0], C[1], left_ref,
- A[0], A[1], ref, *mx, *my, h->mb_x, h->mb_y, n, list);
+ A[0], A[1], ref, *mx, *my, sl->mb_x, sl->mb_y, n, list);
}
/**
* @param mx the x component of the predicted motion vector
* @param my the y component of the predicted motion vector
*/
-static av_always_inline void pred_16x8_motion(H264Context *const h,
+static av_always_inline void pred_16x8_motion(const H264Context *const h,
+ H264SliceContext *sl,
int n, int list, int ref,
int *const mx, int *const my)
{
if (n == 0) {
- const int top_ref = h->ref_cache[list][scan8[0] - 8];
- const int16_t *const B = h->mv_cache[list][scan8[0] - 8];
+ const int top_ref = sl->ref_cache[list][scan8[0] - 8];
+ const int16_t *const B = sl->mv_cache[list][scan8[0] - 8];
- tprintf(h->avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n",
- top_ref, B[0], B[1], h->mb_x, h->mb_y, n, list);
+ ff_tlog(h->avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n",
+ top_ref, B[0], B[1], sl->mb_x, sl->mb_y, n, list);
if (top_ref == ref) {
*mx = B[0];
return;
}
} else {
- const int left_ref = h->ref_cache[list][scan8[8] - 1];
- const int16_t *const A = h->mv_cache[list][scan8[8] - 1];
+ const int left_ref = sl->ref_cache[list][scan8[8] - 1];
+ const int16_t *const A = sl->mv_cache[list][scan8[8] - 1];
- tprintf(h->avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n",
- left_ref, A[0], A[1], h->mb_x, h->mb_y, n, list);
+ ff_tlog(h->avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n",
+ left_ref, A[0], A[1], sl->mb_x, sl->mb_y, n, list);
if (left_ref == ref) {
*mx = A[0];
}
//RARE
- pred_motion(h, n, 4, list, ref, mx, my);
+ pred_motion(h, sl, n, 4, list, ref, mx, my);
}
/**
* @param mx the x component of the predicted motion vector
* @param my the y component of the predicted motion vector
*/
-static av_always_inline void pred_8x16_motion(H264Context *const h,
+static av_always_inline void pred_8x16_motion(const H264Context *const h,
+ H264SliceContext *sl,
int n, int list, int ref,
int *const mx, int *const my)
{
if (n == 0) {
- const int left_ref = h->ref_cache[list][scan8[0] - 1];
- const int16_t *const A = h->mv_cache[list][scan8[0] - 1];
+ const int left_ref = sl->ref_cache[list][scan8[0] - 1];
+ const int16_t *const A = sl->mv_cache[list][scan8[0] - 1];
- tprintf(h->avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n",
- left_ref, A[0], A[1], h->mb_x, h->mb_y, n, list);
+ ff_tlog(h->avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n",
+ left_ref, A[0], A[1], sl->mb_x, sl->mb_y, n, list);
if (left_ref == ref) {
*mx = A[0];
const int16_t *C;
int diagonal_ref;
- diagonal_ref = fetch_diagonal_mv(h, &C, scan8[4], list, 2);
+ diagonal_ref = fetch_diagonal_mv(h, sl, &C, scan8[4], list, 2);
- tprintf(h->avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n",
- diagonal_ref, C[0], C[1], h->mb_x, h->mb_y, n, list);
+ ff_tlog(h->avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n",
+ diagonal_ref, C[0], C[1], sl->mb_x, sl->mb_y, n, list);
if (diagonal_ref == ref) {
*mx = C[0];
}
//RARE
- pred_motion(h, n, 2, list, ref, mx, my);
+ pred_motion(h, sl, n, 2, list, ref, mx, my);
}
#define FIX_MV_MBAFF(type, refn, mvn, idx) \
- if (FRAME_MBAFF) { \
- if (MB_FIELD) { \
+ if (FRAME_MBAFF(h)) { \
+ if (MB_FIELD(sl)) { \
if (!IS_INTERLACED(type)) { \
refn <<= 1; \
AV_COPY32(mvbuf[idx], mvn); \
} \
}
-static av_always_inline void pred_pskip_motion(H264Context *const h)
+static av_always_inline void pred_pskip_motion(const H264Context *const h,
+ H264SliceContext *sl)
{
DECLARE_ALIGNED(4, static const int16_t, zeromv)[2] = { 0 };
DECLARE_ALIGNED(4, int16_t, mvbuf)[3][2];
- int8_t *ref = h->cur_pic.f.ref_index[0];
- int16_t(*mv)[2] = h->cur_pic.f.motion_val[0];
+ int8_t *ref = h->cur_pic.ref_index[0];
+ int16_t(*mv)[2] = h->cur_pic.motion_val[0];
int top_ref, left_ref, diagonal_ref, match_count, mx, my;
const int16_t *A, *B, *C;
int b_stride = h->b_stride;
- fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
+ fill_rectangle(&sl->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
/* To avoid doing an entire fill_decode_caches, we inline the relevant
* parts here.
* FIXME: this is a partial duplicate of the logic in fill_decode_caches,
* but it's faster this way. Is there a way to avoid this duplication?
*/
- if (USES_LIST(h->left_type[LTOP], 0)) {
- left_ref = ref[4 * h->left_mb_xy[LTOP] + 1 + (h->left_block[0] & ~1)];
- A = mv[h->mb2b_xy[h->left_mb_xy[LTOP]] + 3 + b_stride * h->left_block[0]];
- FIX_MV_MBAFF(h->left_type[LTOP], left_ref, A, 0);
+ if (USES_LIST(sl->left_type[LTOP], 0)) {
+ left_ref = ref[4 * sl->left_mb_xy[LTOP] + 1 + (sl->left_block[0] & ~1)];
+ A = mv[h->mb2b_xy[sl->left_mb_xy[LTOP]] + 3 + b_stride * sl->left_block[0]];
+ FIX_MV_MBAFF(sl->left_type[LTOP], left_ref, A, 0);
if (!(left_ref | AV_RN32A(A)))
goto zeromv;
- } else if (h->left_type[LTOP]) {
+ } else if (sl->left_type[LTOP]) {
left_ref = LIST_NOT_USED;
A = zeromv;
} else {
goto zeromv;
}
- if (USES_LIST(h->top_type, 0)) {
- top_ref = ref[4 * h->top_mb_xy + 2];
- B = mv[h->mb2b_xy[h->top_mb_xy] + 3 * b_stride];
- FIX_MV_MBAFF(h->top_type, top_ref, B, 1);
+ if (USES_LIST(sl->top_type, 0)) {
+ top_ref = ref[4 * sl->top_mb_xy + 2];
+ B = mv[h->mb2b_xy[sl->top_mb_xy] + 3 * b_stride];
+ FIX_MV_MBAFF(sl->top_type, top_ref, B, 1);
if (!(top_ref | AV_RN32A(B)))
goto zeromv;
- } else if (h->top_type) {
+ } else if (sl->top_type) {
top_ref = LIST_NOT_USED;
B = zeromv;
} else {
goto zeromv;
}
- tprintf(h->avctx, "pred_pskip: (%d) (%d) at %2d %2d\n",
- top_ref, left_ref, h->mb_x, h->mb_y);
+ ff_tlog(h->avctx, "pred_pskip: (%d) (%d) at %2d %2d\n",
+ top_ref, left_ref, sl->mb_x, sl->mb_y);
- if (USES_LIST(h->topright_type, 0)) {
- diagonal_ref = ref[4 * h->topright_mb_xy + 2];
- C = mv[h->mb2b_xy[h->topright_mb_xy] + 3 * b_stride];
- FIX_MV_MBAFF(h->topright_type, diagonal_ref, C, 2);
- } else if (h->topright_type) {
+ if (USES_LIST(sl->topright_type, 0)) {
+ diagonal_ref = ref[4 * sl->topright_mb_xy + 2];
+ C = mv[h->mb2b_xy[sl->topright_mb_xy] + 3 * b_stride];
+ FIX_MV_MBAFF(sl->topright_type, diagonal_ref, C, 2);
+ } else if (sl->topright_type) {
diagonal_ref = LIST_NOT_USED;
C = zeromv;
} else {
- if (USES_LIST(h->topleft_type, 0)) {
- diagonal_ref = ref[4 * h->topleft_mb_xy + 1 +
- (h->topleft_partition & 2)];
- C = mv[h->mb2b_xy[h->topleft_mb_xy] + 3 + b_stride +
- (h->topleft_partition & 2 * b_stride)];
- FIX_MV_MBAFF(h->topleft_type, diagonal_ref, C, 2);
- } else if (h->topleft_type) {
+ if (USES_LIST(sl->topleft_type, 0)) {
+ diagonal_ref = ref[4 * sl->topleft_mb_xy + 1 +
+ (sl->topleft_partition & 2)];
+ C = mv[h->mb2b_xy[sl->topleft_mb_xy] + 3 + b_stride +
+ (sl->topleft_partition & 2 * b_stride)];
+ FIX_MV_MBAFF(sl->topleft_type, diagonal_ref, C, 2);
+ } else if (sl->topleft_type) {
diagonal_ref = LIST_NOT_USED;
C = zeromv;
} else {
}
match_count = !diagonal_ref + !top_ref + !left_ref;
- tprintf(h->avctx, "pred_pskip_motion match_count=%d\n", match_count);
+ ff_tlog(h->avctx, "pred_pskip_motion match_count=%d\n", match_count);
if (match_count > 1) {
mx = mid_pred(A[0], B[0], C[0]);
my = mid_pred(A[1], B[1], C[1]);
my = mid_pred(A[1], B[1], C[1]);
}
- fill_rectangle(h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx, my), 4);
+ fill_rectangle(sl->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx, my), 4);
return;
zeromv:
- fill_rectangle(h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
+ fill_rectangle(sl->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
return;
}
-static void fill_decode_neighbors(H264Context *h, int mb_type)
+static void fill_decode_neighbors(const H264Context *h, H264SliceContext *sl, int mb_type)
{
- const int mb_xy = h->mb_xy;
+ const int mb_xy = sl->mb_xy;
int topleft_xy, top_xy, topright_xy, left_xy[LEFT_MBS];
static const uint8_t left_block_options[4][32] = {
{ 0, 1, 2, 3, 7, 10, 8, 11, 3 + 0 * 4, 3 + 1 * 4, 3 + 2 * 4, 3 + 3 * 4, 1 + 4 * 4, 1 + 8 * 4, 1 + 5 * 4, 1 + 9 * 4 },
{ 0, 2, 0, 2, 7, 10, 7, 10, 3 + 0 * 4, 3 + 2 * 4, 3 + 0 * 4, 3 + 2 * 4, 1 + 4 * 4, 1 + 8 * 4, 1 + 4 * 4, 1 + 8 * 4 }
};
- h->topleft_partition = -1;
+ sl->topleft_partition = -1;
- top_xy = mb_xy - (h->mb_stride << MB_FIELD);
+ top_xy = mb_xy - (h->mb_stride << MB_FIELD(sl));
/* Wow, what a mess, why didn't they simplify the interlacing & intra
* stuff, I can't imagine that these complex rules are worth it. */
topleft_xy = top_xy - 1;
topright_xy = top_xy + 1;
left_xy[LBOT] = left_xy[LTOP] = mb_xy - 1;
- h->left_block = left_block_options[0];
- if (FRAME_MBAFF) {
- const int left_mb_field_flag = IS_INTERLACED(h->cur_pic.f.mb_type[mb_xy - 1]);
+ sl->left_block = left_block_options[0];
+ if (FRAME_MBAFF(h)) {
+ const int left_mb_field_flag = IS_INTERLACED(h->cur_pic.mb_type[mb_xy - 1]);
const int curr_mb_field_flag = IS_INTERLACED(mb_type);
- if (h->mb_y & 1) {
+ if (sl->mb_y & 1) {
if (left_mb_field_flag != curr_mb_field_flag) {
left_xy[LBOT] = left_xy[LTOP] = mb_xy - h->mb_stride - 1;
if (curr_mb_field_flag) {
left_xy[LBOT] += h->mb_stride;
- h->left_block = left_block_options[3];
+ sl->left_block = left_block_options[3];
} else {
topleft_xy += h->mb_stride;
/* take top left mv from the middle of the mb, as opposed
* to all other modes which use the bottom right partition */
- h->topleft_partition = 0;
- h->left_block = left_block_options[1];
+ sl->topleft_partition = 0;
+ sl->left_block = left_block_options[1];
}
}
} else {
if (curr_mb_field_flag) {
- topleft_xy += h->mb_stride & (((h->cur_pic.f.mb_type[top_xy - 1] >> 7) & 1) - 1);
- topright_xy += h->mb_stride & (((h->cur_pic.f.mb_type[top_xy + 1] >> 7) & 1) - 1);
- top_xy += h->mb_stride & (((h->cur_pic.f.mb_type[top_xy] >> 7) & 1) - 1);
+ topleft_xy += h->mb_stride & (((h->cur_pic.mb_type[top_xy - 1] >> 7) & 1) - 1);
+ topright_xy += h->mb_stride & (((h->cur_pic.mb_type[top_xy + 1] >> 7) & 1) - 1);
+ top_xy += h->mb_stride & (((h->cur_pic.mb_type[top_xy] >> 7) & 1) - 1);
}
if (left_mb_field_flag != curr_mb_field_flag) {
if (curr_mb_field_flag) {
left_xy[LBOT] += h->mb_stride;
- h->left_block = left_block_options[3];
+ sl->left_block = left_block_options[3];
} else {
- h->left_block = left_block_options[2];
+ sl->left_block = left_block_options[2];
}
}
}
}
- h->topleft_mb_xy = topleft_xy;
- h->top_mb_xy = top_xy;
- h->topright_mb_xy = topright_xy;
- h->left_mb_xy[LTOP] = left_xy[LTOP];
- h->left_mb_xy[LBOT] = left_xy[LBOT];
+ sl->topleft_mb_xy = topleft_xy;
+ sl->top_mb_xy = top_xy;
+ sl->topright_mb_xy = topright_xy;
+ sl->left_mb_xy[LTOP] = left_xy[LTOP];
+ sl->left_mb_xy[LBOT] = left_xy[LBOT];
//FIXME do we need all in the context?
- h->topleft_type = h->cur_pic.f.mb_type[topleft_xy];
- h->top_type = h->cur_pic.f.mb_type[top_xy];
- h->topright_type = h->cur_pic.f.mb_type[topright_xy];
- h->left_type[LTOP] = h->cur_pic.f.mb_type[left_xy[LTOP]];
- h->left_type[LBOT] = h->cur_pic.f.mb_type[left_xy[LBOT]];
+ sl->topleft_type = h->cur_pic.mb_type[topleft_xy];
+ sl->top_type = h->cur_pic.mb_type[top_xy];
+ sl->topright_type = h->cur_pic.mb_type[topright_xy];
+ sl->left_type[LTOP] = h->cur_pic.mb_type[left_xy[LTOP]];
+ sl->left_type[LBOT] = h->cur_pic.mb_type[left_xy[LBOT]];
if (FMO) {
- if (h->slice_table[topleft_xy] != h->slice_num)
- h->topleft_type = 0;
- if (h->slice_table[top_xy] != h->slice_num)
- h->top_type = 0;
- if (h->slice_table[left_xy[LTOP]] != h->slice_num)
- h->left_type[LTOP] = h->left_type[LBOT] = 0;
+ if (h->slice_table[topleft_xy] != sl->slice_num)
+ sl->topleft_type = 0;
+ if (h->slice_table[top_xy] != sl->slice_num)
+ sl->top_type = 0;
+ if (h->slice_table[left_xy[LTOP]] != sl->slice_num)
+ sl->left_type[LTOP] = sl->left_type[LBOT] = 0;
} else {
- if (h->slice_table[topleft_xy] != h->slice_num) {
- h->topleft_type = 0;
- if (h->slice_table[top_xy] != h->slice_num)
- h->top_type = 0;
- if (h->slice_table[left_xy[LTOP]] != h->slice_num)
- h->left_type[LTOP] = h->left_type[LBOT] = 0;
+ if (h->slice_table[topleft_xy] != sl->slice_num) {
+ sl->topleft_type = 0;
+ if (h->slice_table[top_xy] != sl->slice_num)
+ sl->top_type = 0;
+ if (h->slice_table[left_xy[LTOP]] != sl->slice_num)
+ sl->left_type[LTOP] = sl->left_type[LBOT] = 0;
}
}
- if (h->slice_table[topright_xy] != h->slice_num)
- h->topright_type = 0;
+ if (h->slice_table[topright_xy] != sl->slice_num)
+ sl->topright_type = 0;
}
-static void fill_decode_caches(H264Context *h, int mb_type)
+static void fill_decode_caches(const H264Context *h, H264SliceContext *sl, int mb_type)
{
int topleft_xy, top_xy, topright_xy, left_xy[LEFT_MBS];
int topleft_type, top_type, topright_type, left_type[LEFT_MBS];
- const uint8_t *left_block = h->left_block;
+ const uint8_t *left_block = sl->left_block;
int i;
uint8_t *nnz;
uint8_t *nnz_cache;
- topleft_xy = h->topleft_mb_xy;
- top_xy = h->top_mb_xy;
- topright_xy = h->topright_mb_xy;
- left_xy[LTOP] = h->left_mb_xy[LTOP];
- left_xy[LBOT] = h->left_mb_xy[LBOT];
- topleft_type = h->topleft_type;
- top_type = h->top_type;
- topright_type = h->topright_type;
- left_type[LTOP] = h->left_type[LTOP];
- left_type[LBOT] = h->left_type[LBOT];
+ topleft_xy = sl->topleft_mb_xy;
+ top_xy = sl->top_mb_xy;
+ topright_xy = sl->topright_mb_xy;
+ left_xy[LTOP] = sl->left_mb_xy[LTOP];
+ left_xy[LBOT] = sl->left_mb_xy[LBOT];
+ topleft_type = sl->topleft_type;
+ top_type = sl->top_type;
+ topright_type = sl->topright_type;
+ left_type[LTOP] = sl->left_type[LTOP];
+ left_type[LBOT] = sl->left_type[LBOT];
if (!IS_SKIP(mb_type)) {
if (IS_INTRA(mb_type)) {
- int type_mask = h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;
- h->topleft_samples_available =
- h->top_samples_available =
- h->left_samples_available = 0xFFFF;
- h->topright_samples_available = 0xEEEA;
+ int type_mask = h->ps.pps->constrained_intra_pred ? IS_INTRA(-1) : -1;
+ sl->topleft_samples_available =
+ sl->top_samples_available =
+ sl->left_samples_available = 0xFFFF;
+ sl->topright_samples_available = 0xEEEA;
if (!(top_type & type_mask)) {
- h->topleft_samples_available = 0xB3FF;
- h->top_samples_available = 0x33FF;
- h->topright_samples_available = 0x26EA;
+ sl->topleft_samples_available = 0xB3FF;
+ sl->top_samples_available = 0x33FF;
+ sl->topright_samples_available = 0x26EA;
}
if (IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[LTOP])) {
if (IS_INTERLACED(mb_type)) {
if (!(left_type[LTOP] & type_mask)) {
- h->topleft_samples_available &= 0xDFFF;
- h->left_samples_available &= 0x5FFF;
+ sl->topleft_samples_available &= 0xDFFF;
+ sl->left_samples_available &= 0x5FFF;
}
if (!(left_type[LBOT] & type_mask)) {
- h->topleft_samples_available &= 0xFF5F;
- h->left_samples_available &= 0xFF5F;
+ sl->topleft_samples_available &= 0xFF5F;
+ sl->left_samples_available &= 0xFF5F;
}
} else {
- int left_typei = h->cur_pic.f.mb_type[left_xy[LTOP] + h->mb_stride];
+ int left_typei = h->cur_pic.mb_type[left_xy[LTOP] + h->mb_stride];
assert(left_xy[LTOP] == left_xy[LBOT]);
if (!((left_typei & type_mask) && (left_type[LTOP] & type_mask))) {
- h->topleft_samples_available &= 0xDF5F;
- h->left_samples_available &= 0x5F5F;
+ sl->topleft_samples_available &= 0xDF5F;
+ sl->left_samples_available &= 0x5F5F;
}
}
} else {
if (!(left_type[LTOP] & type_mask)) {
- h->topleft_samples_available &= 0xDF5F;
- h->left_samples_available &= 0x5F5F;
+ sl->topleft_samples_available &= 0xDF5F;
+ sl->left_samples_available &= 0x5F5F;
}
}
if (!(topleft_type & type_mask))
- h->topleft_samples_available &= 0x7FFF;
+ sl->topleft_samples_available &= 0x7FFF;
if (!(topright_type & type_mask))
- h->topright_samples_available &= 0xFBFF;
+ sl->topright_samples_available &= 0xFBFF;
if (IS_INTRA4x4(mb_type)) {
if (IS_INTRA4x4(top_type)) {
- AV_COPY32(h->intra4x4_pred_mode_cache + 4 + 8 * 0, h->intra4x4_pred_mode + h->mb2br_xy[top_xy]);
+ AV_COPY32(sl->intra4x4_pred_mode_cache + 4 + 8 * 0, sl->intra4x4_pred_mode + h->mb2br_xy[top_xy]);
} else {
- h->intra4x4_pred_mode_cache[4 + 8 * 0] =
- h->intra4x4_pred_mode_cache[5 + 8 * 0] =
- h->intra4x4_pred_mode_cache[6 + 8 * 0] =
- h->intra4x4_pred_mode_cache[7 + 8 * 0] = 2 - 3 * !(top_type & type_mask);
+ sl->intra4x4_pred_mode_cache[4 + 8 * 0] =
+ sl->intra4x4_pred_mode_cache[5 + 8 * 0] =
+ sl->intra4x4_pred_mode_cache[6 + 8 * 0] =
+ sl->intra4x4_pred_mode_cache[7 + 8 * 0] = 2 - 3 * !(top_type & type_mask);
}
for (i = 0; i < 2; i++) {
if (IS_INTRA4x4(left_type[LEFT(i)])) {
- int8_t *mode = h->intra4x4_pred_mode + h->mb2br_xy[left_xy[LEFT(i)]];
- h->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] = mode[6 - left_block[0 + 2 * i]];
- h->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = mode[6 - left_block[1 + 2 * i]];
+ int8_t *mode = sl->intra4x4_pred_mode + h->mb2br_xy[left_xy[LEFT(i)]];
+ sl->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] = mode[6 - left_block[0 + 2 * i]];
+ sl->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = mode[6 - left_block[1 + 2 * i]];
} else {
- h->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] =
- h->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = 2 - 3 * !(left_type[LEFT(i)] & type_mask);
+ sl->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] =
+ sl->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = 2 - 3 * !(left_type[LEFT(i)] & type_mask);
}
}
}
*/
/* FIXME: constraint_intra_pred & partitioning & nnz
* (let us hope this is just a typo in the spec) */
- nnz_cache = h->non_zero_count_cache;
+ nnz_cache = sl->non_zero_count_cache;
if (top_type) {
nnz = h->non_zero_count[top_xy];
AV_COPY32(&nnz_cache[4 + 8 * 0], &nnz[4 * 3]);
AV_COPY32(&nnz_cache[4 + 8 * 10], &nnz[4 * 9]);
}
} else {
- uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;
+ uint32_t top_empty = CABAC(h) && !IS_INTRA(mb_type) ? 0 : 0x40404040;
AV_WN32A(&nnz_cache[4 + 8 * 0], top_empty);
AV_WN32A(&nnz_cache[4 + 8 * 5], top_empty);
AV_WN32A(&nnz_cache[4 + 8 * 10], top_empty);
nnz = h->non_zero_count[left_xy[LEFT(i)]];
nnz_cache[3 + 8 * 1 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i]];
nnz_cache[3 + 8 * 2 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i]];
- if (CHROMA444) {
+ if (CHROMA444(h)) {
nnz_cache[3 + 8 * 6 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] + 4 * 4];
nnz_cache[3 + 8 * 7 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] + 4 * 4];
nnz_cache[3 + 8 * 11 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] + 8 * 4];
nnz_cache[3 + 8 * 12 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] + 8 * 4];
- } else if (CHROMA422) {
+ } else if (CHROMA422(h)) {
nnz_cache[3 + 8 * 6 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] - 2 + 4 * 4];
nnz_cache[3 + 8 * 7 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] - 2 + 4 * 4];
nnz_cache[3 + 8 * 11 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] - 2 + 8 * 4];
nnz_cache[3 + 8 * 6 + 2 * 8 * i] =
nnz_cache[3 + 8 * 7 + 2 * 8 * i] =
nnz_cache[3 + 8 * 11 + 2 * 8 * i] =
- nnz_cache[3 + 8 * 12 + 2 * 8 * i] = CABAC && !IS_INTRA(mb_type) ? 0 : 64;
+ nnz_cache[3 + 8 * 12 + 2 * 8 * i] = CABAC(h) && !IS_INTRA(mb_type) ? 0 : 64;
}
}
- if (CABAC) {
+ if (CABAC(h)) {
// top_cbp
if (top_type)
- h->top_cbp = h->cbp_table[top_xy];
+ sl->top_cbp = h->cbp_table[top_xy];
else
- h->top_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;
+ sl->top_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;
// left_cbp
if (left_type[LTOP]) {
- h->left_cbp = (h->cbp_table[left_xy[LTOP]] & 0x7F0) |
+ sl->left_cbp = (h->cbp_table[left_xy[LTOP]] & 0x7F0) |
((h->cbp_table[left_xy[LTOP]] >> (left_block[0] & (~1))) & 2) |
(((h->cbp_table[left_xy[LBOT]] >> (left_block[2] & (~1))) & 2) << 2);
} else {
- h->left_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;
+ sl->left_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;
}
}
}
- if (IS_INTER(mb_type) || (IS_DIRECT(mb_type) && h->direct_spatial_mv_pred)) {
+ if (IS_INTER(mb_type) || (IS_DIRECT(mb_type) && sl->direct_spatial_mv_pred)) {
int list;
int b_stride = h->b_stride;
- for (list = 0; list < h->list_count; list++) {
- int8_t *ref_cache = &h->ref_cache[list][scan8[0]];
- int8_t *ref = h->cur_pic.f.ref_index[list];
- int16_t(*mv_cache)[2] = &h->mv_cache[list][scan8[0]];
- int16_t(*mv)[2] = h->cur_pic.f.motion_val[list];
+ for (list = 0; list < sl->list_count; list++) {
+ int8_t *ref_cache = &sl->ref_cache[list][scan8[0]];
+ int8_t *ref = h->cur_pic.ref_index[list];
+ int16_t(*mv_cache)[2] = &sl->mv_cache[list][scan8[0]];
+ int16_t(*mv)[2] = h->cur_pic.motion_val[list];
if (!USES_LIST(mb_type, list))
continue;
- assert(!(IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred));
+ assert(!(IS_DIRECT(mb_type) && !sl->direct_spatial_mv_pred));
if (USES_LIST(top_type, list)) {
const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride;
if (ref_cache[4 - 1 * 8] < 0) {
if (USES_LIST(topleft_type, list)) {
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + b_stride +
- (h->topleft_partition & 2 * b_stride);
- const int b8_xy = 4 * topleft_xy + 1 + (h->topleft_partition & 2);
+ (sl->topleft_partition & 2 * b_stride);
+ const int b8_xy = 4 * topleft_xy + 1 + (sl->topleft_partition & 2);
AV_COPY32(mv_cache[-1 - 1 * 8], mv[b_xy]);
ref_cache[-1 - 1 * 8] = ref[b8_xy];
} else {
}
}
- if ((mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2)) && !FRAME_MBAFF)
+ if ((mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2)) && !FRAME_MBAFF(h))
continue;
if (!(mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2))) {
- uint8_t(*mvd_cache)[2] = &h->mvd_cache[list][scan8[0]];
- uint8_t(*mvd)[2] = h->mvd_table[list];
+ uint8_t(*mvd_cache)[2] = &sl->mvd_cache[list][scan8[0]];
+ uint8_t(*mvd)[2] = sl->mvd_table[list];
ref_cache[2 + 8 * 0] =
ref_cache[2 + 8 * 2] = PART_NOT_AVAILABLE;
AV_ZERO32(mv_cache[2 + 8 * 0]);
AV_ZERO32(mv_cache[2 + 8 * 2]);
- if (CABAC) {
+ if (CABAC(h)) {
if (USES_LIST(top_type, list)) {
const int b_xy = h->mb2br_xy[top_xy];
AV_COPY64(mvd_cache[0 - 1 * 8], mvd[b_xy + 0]);
}
AV_ZERO16(mvd_cache[2 + 8 * 0]);
AV_ZERO16(mvd_cache[2 + 8 * 2]);
- if (h->slice_type_nos == AV_PICTURE_TYPE_B) {
- uint8_t *direct_cache = &h->direct_cache[scan8[0]];
+ if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
+ uint8_t *direct_cache = &sl->direct_cache[scan8[0]];
uint8_t *direct_table = h->direct_table;
fill_rectangle(direct_cache, 4, 4, 8, MB_TYPE_16x16 >> 1, 1);
MAP_F2F(scan8[0] - 1 + 2 * 8, left_type[LBOT]) \
MAP_F2F(scan8[0] - 1 + 3 * 8, left_type[LBOT])
- if (FRAME_MBAFF) {
- if (MB_FIELD) {
+ if (FRAME_MBAFF(h)) {
+ if (MB_FIELD(sl)) {
#define MAP_F2F(idx, mb_type) \
- if (!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0) { \
- h->ref_cache[list][idx] <<= 1; \
- h->mv_cache[list][idx][1] /= 2; \
- h->mvd_cache[list][idx][1] >>= 1; \
+ if (!IS_INTERLACED(mb_type) && sl->ref_cache[list][idx] >= 0) { \
+ sl->ref_cache[list][idx] <<= 1; \
+ sl->mv_cache[list][idx][1] /= 2; \
+ sl->mvd_cache[list][idx][1] >>= 1; \
}
MAP_MVS
#undef MAP_F2F
#define MAP_F2F(idx, mb_type) \
- if (IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0) { \
- h->ref_cache[list][idx] >>= 1; \
- h->mv_cache[list][idx][1] <<= 1; \
- h->mvd_cache[list][idx][1] <<= 1; \
+ if (IS_INTERLACED(mb_type) && sl->ref_cache[list][idx] >= 0) { \
+ sl->ref_cache[list][idx] >>= 1; \
+ sl->mv_cache[list][idx][1] <<= 1; \
+ sl->mvd_cache[list][idx][1] <<= 1; \
}
MAP_MVS
}
}
- h->neighbor_transform_size = !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[LTOP]);
+ sl->neighbor_transform_size = !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[LTOP]);
}
/**
* decodes a P_SKIP or B_SKIP macroblock
*/
-static void av_unused decode_mb_skip(H264Context *h)
+static void av_unused decode_mb_skip(const H264Context *h, H264SliceContext *sl)
{
- const int mb_xy = h->mb_xy;
+ const int mb_xy = sl->mb_xy;
int mb_type = 0;
memset(h->non_zero_count[mb_xy], 0, 48);
- if (MB_FIELD)
+ if (MB_FIELD(sl))
mb_type |= MB_TYPE_INTERLACED;
- if (h->slice_type_nos == AV_PICTURE_TYPE_B) {
+ if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
// just for fill_caches. pred_direct_motion will set the real mb_type
mb_type |= MB_TYPE_L0L1 | MB_TYPE_DIRECT2 | MB_TYPE_SKIP;
- if (h->direct_spatial_mv_pred) {
- fill_decode_neighbors(h, mb_type);
- fill_decode_caches(h, mb_type); //FIXME check what is needed and what not ...
+ if (sl->direct_spatial_mv_pred) {
+ fill_decode_neighbors(h, sl, mb_type);
+ fill_decode_caches(h, sl, mb_type); //FIXME check what is needed and what not ...
}
- ff_h264_pred_direct_motion(h, &mb_type);
+ ff_h264_pred_direct_motion(h, sl, &mb_type);
mb_type |= MB_TYPE_SKIP;
} else {
mb_type |= MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_SKIP;
- fill_decode_neighbors(h, mb_type);
- pred_pskip_motion(h);
+ fill_decode_neighbors(h, sl, mb_type);
+ pred_pskip_motion(h, sl);
}
- write_back_motion(h, mb_type);
- h->cur_pic.f.mb_type[mb_xy] = mb_type;
- h->cur_pic.f.qscale_table[mb_xy] = h->qscale;
- h->slice_table[mb_xy] = h->slice_num;
- h->prev_mb_skipped = 1;
+ write_back_motion(h, sl, mb_type);
+ h->cur_pic.mb_type[mb_xy] = mb_type;
+ h->cur_pic.qscale_table[mb_xy] = sl->qscale;
+ h->slice_table[mb_xy] = sl->slice_num;
+ sl->prev_mb_skipped = 1;
}
#endif /* AVCODEC_H264_MVPRED_H */