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svq3: move the pred mode variables to SVQ3Context

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This will allow removing the H264Context dependency in the future.
This commit is contained in:
Anton Khirnov 2016-03-23 09:49:20 +01:00
parent ecc31f6b08
commit 527bf5f7c6
1 changed files with 61 additions and 46 deletions
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107
libavcodec/svq3.c
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@ -93,6 +93,16 @@ typedef struct SVQ3Context {
int mb_x, mb_y;
int mb_xy;
int chroma_pred_mode;
int intra16x16_pred_mode;
int8_t intra4x4_pred_mode_cache[5 * 8];
int8_t (*intra4x4_pred_mode);
unsigned int top_samples_available;
unsigned int topright_samples_available;
unsigned int left_samples_available;
} SVQ3Context;
#define FULLPEL_MODE 1
@ -523,12 +533,12 @@ static av_always_inline void hl_decode_mb_predict_luma(SVQ3Context *s,
if (IS_INTRA4x4(mb_type)) {
for (i = 0; i < 16; i++) {
uint8_t *const ptr = dest_y + block_offset[i];
const int dir = sl->intra4x4_pred_mode_cache[scan8[i]];
const int dir = s->intra4x4_pred_mode_cache[scan8[i]];
uint8_t *topright;
int nnz, tr;
if (dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED) {
const int topright_avail = (sl->topright_samples_available << i) & 0x8000;
const int topright_avail = (s->topright_samples_available << i) & 0x8000;
assert(s->mb_y || linesize <= block_offset[i]);
if (!topright_avail) {
tr = ptr[3 - linesize] * 0x01010101u;
@ -545,7 +555,7 @@ static av_always_inline void hl_decode_mb_predict_luma(SVQ3Context *s,
}
}
} else {
s->hpc.pred16x16[sl->intra16x16_pred_mode](dest_y, linesize);
s->hpc.pred16x16[s->intra16x16_pred_mode](dest_y, linesize);
svq3_luma_dc_dequant_idct_c(sl->mb, sl->mb_luma_dc[0], qscale);
}
}
@ -575,8 +585,8 @@ static void hl_decode_mb(SVQ3Context *s, const H264Context *h, H264SliceContext
uvlinesize = sl->mb_uvlinesize = sl->uvlinesize;
if (IS_INTRA(mb_type)) {
s->hpc.pred8x8[sl->chroma_pred_mode](dest_cb, uvlinesize);
s->hpc.pred8x8[sl->chroma_pred_mode](dest_cr, uvlinesize);
s->hpc.pred8x8[s->chroma_pred_mode](dest_cb, uvlinesize);
s->hpc.pred8x8[s->chroma_pred_mode](dest_cr, uvlinesize);
hl_decode_mb_predict_luma(s, h, sl, mb_type, block_offset, linesize, dest_y);
}
@ -611,9 +621,9 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
const int mb_xy = s->mb_xy;
const int b_xy = 4 * s->mb_x + 4 * s->mb_y * h->b_stride;
sl->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
sl->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
sl->topright_samples_available = 0xFFFF;
s->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
s->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
s->topright_samples_available = 0xFFFF;
if (mb_type == 0) { /* SKIP */
if (h->pict_type == AV_PICTURE_TYPE_P ||
@ -654,7 +664,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
*/
for (m = 0; m < 2; m++) {
if (s->mb_x > 0 && sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6] != -1) {
if (s->mb_x > 0 && s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6] != -1) {
for (i = 0; i < 4; i++)
AV_COPY32(sl->mv_cache[m][scan8[0] - 1 + i * 8],
h->cur_pic.motion_val[m][b_xy - 1 + i * h->b_stride]);
@ -667,21 +677,21 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
h->cur_pic.motion_val[m][b_xy - h->b_stride],
4 * 2 * sizeof(int16_t));
memset(&sl->ref_cache[m][scan8[0] - 1 * 8],
(sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);
(s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);
if (s->mb_x < h->mb_width - 1) {
AV_COPY32(sl->mv_cache[m][scan8[0] + 4 - 1 * 8],
h->cur_pic.motion_val[m][b_xy - h->b_stride + 4]);
sl->ref_cache[m][scan8[0] + 4 - 1 * 8] =
(sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride + 1] + 6] == -1 ||
sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1;
(s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride + 1] + 6] == -1 ||
s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1;
} else
sl->ref_cache[m][scan8[0] + 4 - 1 * 8] = PART_NOT_AVAILABLE;
if (s->mb_x > 0) {
AV_COPY32(sl->mv_cache[m][scan8[0] - 1 - 1 * 8],
h->cur_pic.motion_val[m][b_xy - h->b_stride - 1]);
sl->ref_cache[m][scan8[0] - 1 - 1 * 8] =
(sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride - 1] + 3] == -1) ? PART_NOT_AVAILABLE : 1;
(s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride - 1] + 3] == -1) ? PART_NOT_AVAILABLE : 1;
} else
sl->ref_cache[m][scan8[0] - 1 - 1 * 8] = PART_NOT_AVAILABLE;
} else
@ -717,26 +727,26 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
mb_type = MB_TYPE_16x16;
} else if (mb_type == 8 || mb_type == 33) { /* INTRA4x4 */
int8_t *i4x4 = sl->intra4x4_pred_mode + h->mb2br_xy[s->mb_xy];
int8_t *i4x4_cache = sl->intra4x4_pred_mode_cache;
int8_t *i4x4 = s->intra4x4_pred_mode + h->mb2br_xy[s->mb_xy];
int8_t *i4x4_cache = s->intra4x4_pred_mode_cache;
memset(sl->intra4x4_pred_mode_cache, -1, 8 * 5 * sizeof(int8_t));
memset(s->intra4x4_pred_mode_cache, -1, 8 * 5 * sizeof(int8_t));
if (mb_type == 8) {
if (s->mb_x > 0) {
for (i = 0; i < 4; i++)
sl->intra4x4_pred_mode_cache[scan8[0] - 1 + i * 8] = sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6 - i];
if (sl->intra4x4_pred_mode_cache[scan8[0] - 1] == -1)
sl->left_samples_available = 0x5F5F;
s->intra4x4_pred_mode_cache[scan8[0] - 1 + i * 8] = s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6 - i];
if (s->intra4x4_pred_mode_cache[scan8[0] - 1] == -1)
s->left_samples_available = 0x5F5F;
}
if (s->mb_y > 0) {
sl->intra4x4_pred_mode_cache[4 + 8 * 0] = sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride] + 0];
sl->intra4x4_pred_mode_cache[5 + 8 * 0] = sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride] + 1];
sl->intra4x4_pred_mode_cache[6 + 8 * 0] = sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride] + 2];
sl->intra4x4_pred_mode_cache[7 + 8 * 0] = sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride] + 3];
s->intra4x4_pred_mode_cache[4 + 8 * 0] = s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride] + 0];
s->intra4x4_pred_mode_cache[5 + 8 * 0] = s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride] + 1];
s->intra4x4_pred_mode_cache[6 + 8 * 0] = s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride] + 2];
s->intra4x4_pred_mode_cache[7 + 8 * 0] = s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride] + 3];
if (sl->intra4x4_pred_mode_cache[4 + 8 * 0] == -1)
sl->top_samples_available = 0x33FF;
if (s->intra4x4_pred_mode_cache[4 + 8 * 0] == -1)
s->top_samples_available = 0x33FF;
}
/* decode prediction codes for luma blocks */
@ -749,8 +759,8 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
return -1;
}
left = &sl->intra4x4_pred_mode_cache[scan8[i] - 1];
top = &sl->intra4x4_pred_mode_cache[scan8[i] - 8];
left = &s->intra4x4_pred_mode_cache[scan8[i] - 1];
top = &s->intra4x4_pred_mode_cache[scan8[i] - 8];
left[1] = svq3_pred_1[top[0] + 1][left[0] + 1][svq3_pred_0[vlc][0]];
left[2] = svq3_pred_1[top[1] + 1][left[1] + 1][svq3_pred_0[vlc][1]];
@ -762,7 +772,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
}
} else { /* mb_type == 33, DC_128_PRED block type */
for (i = 0; i < 4; i++)
memset(&sl->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_PRED, 4);
memset(&s->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_PRED, 4);
}
AV_COPY32(i4x4, i4x4_cache + 4 + 8 * 4);
@ -771,18 +781,18 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
i4x4[6] = i4x4_cache[7 + 8 * 1];
if (mb_type == 8) {
ff_h264_check_intra4x4_pred_mode(sl->intra4x4_pred_mode_cache,
h->avctx, sl->top_samples_available,
sl->left_samples_available);
ff_h264_check_intra4x4_pred_mode(s->intra4x4_pred_mode_cache,
h->avctx, s->top_samples_available,
s->left_samples_available);
sl->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
sl->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
s->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
s->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
} else {
for (i = 0; i < 4; i++)
memset(&sl->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_128_PRED, 4);
memset(&s->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_128_PRED, 4);
sl->top_samples_available = 0x33FF;
sl->left_samples_available = 0x5F5F;
s->top_samples_available = 0x33FF;
s->left_samples_available = 0x5F5F;
}
mb_type = MB_TYPE_INTRA4x4;
@ -790,10 +800,10 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
dir = ff_h264_i_mb_type_info[mb_type - 8].pred_mode;
dir = (dir >> 1) ^ 3 * (dir & 1) ^ 1;
if ((sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
sl->left_samples_available, dir, 0)) < 0) {
if ((s->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, s->top_samples_available,
s->left_samples_available, dir, 0)) < 0) {
av_log(h->avctx, AV_LOG_ERROR, "ff_h264_check_intra_pred_mode < 0\n");
return sl->intra16x16_pred_mode;
return s->intra16x16_pred_mode;
}
cbp = ff_h264_i_mb_type_info[mb_type - 8].cbp;
@ -811,7 +821,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
}
}
if (!IS_INTRA4x4(mb_type)) {
memset(sl->intra4x4_pred_mode + h->mb2br_xy[mb_xy], DC_PRED, 8);
memset(s->intra4x4_pred_mode + h->mb2br_xy[mb_xy], DC_PRED, 8);
}
if (!IS_SKIP(mb_type) || h->pict_type == AV_PICTURE_TYPE_B) {
memset(sl->non_zero_count_cache + 8, 0, 14 * 8 * sizeof(uint8_t));
@ -895,8 +905,8 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
h->cur_pic.mb_type[mb_xy] = mb_type;
if (IS_INTRA(mb_type))
sl->chroma_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
sl->left_samples_available, DC_PRED8x8, 1);
s->chroma_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, s->top_samples_available,
s->left_samples_available, DC_PRED8x8, 1);
return 0;
}
@ -983,17 +993,17 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
/* reset intra predictors and invalidate motion vector references */
if (s->mb_x > 0) {
memset(sl->intra4x4_pred_mode + h->mb2br_xy[mb_xy - 1] + 3,
memset(s->intra4x4_pred_mode + h->mb2br_xy[mb_xy - 1] + 3,
-1, 4 * sizeof(int8_t));
memset(sl->intra4x4_pred_mode + h->mb2br_xy[mb_xy - s->mb_x],
memset(s->intra4x4_pred_mode + h->mb2br_xy[mb_xy - s->mb_x],
-1, 8 * sizeof(int8_t) * s->mb_x);
}
if (s->mb_y > 0) {
memset(sl->intra4x4_pred_mode + h->mb2br_xy[mb_xy - h->mb_stride],
memset(s->intra4x4_pred_mode + h->mb2br_xy[mb_xy - h->mb_stride],
-1, 8 * sizeof(int8_t) * (h->mb_width - s->mb_x));
if (s->mb_x > 0)
sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride - 1] + 3] = -1;
s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride - 1] + 3] = -1;
}
return 0;
@ -1192,6 +1202,10 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
s->h_edge_pos = h->mb_width * 16;
s->v_edge_pos = h->mb_height * 16;
s->intra4x4_pred_mode = av_mallocz(h->mb_stride * 2 * 8);
if (!s->intra4x4_pred_mode)
return AVERROR(ENOMEM);
if (ff_h264_alloc_tables(h) < 0) {
av_log(avctx, AV_LOG_ERROR, "svq3 memory allocation failed\n");
return AVERROR(ENOMEM);
@ -1476,6 +1490,7 @@ static av_cold int svq3_decode_end(AVCodecContext *avctx)
av_freep(&s->next_pic);
av_freep(&s->last_pic);
av_freep(&s->slice_buf);
av_freep(&s->intra4x4_pred_mode);
memset(&h->cur_pic, 0, sizeof(h->cur_pic));