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ffmpeg.wasm-core
Commit 549fc772 authored by Anton Khirnov's avatar Anton Khirnov
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svq3: move mb2br_xy to the SVQ3Context

parent 99dde603
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Inline Side-by-side
Showing with 32 additions and 17 deletions
libavcodec/svq3.c
View file @ 549fc772
......@@ -94,6 +94,8 @@ typedef struct SVQ3Context {
int mb_x, mb_y;
int mb_xy;
uint32_t *mb2br_xy;
int chroma_pred_mode;
int intra16x16_pred_mode;
......@@ -739,7 +741,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
*/
for (m = 0; m < 2; m++) {
if (s->mb_x > 0 && s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6] != -1) {
if (s->mb_x > 0 && s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - 1] + 6] != -1) {
for (i = 0; i < 4; i++)
AV_COPY32(s->mv_cache[m][scan8[0] - 1 + i * 8],
h->cur_pic.motion_val[m][b_xy - 1 + i * h->b_stride]);
......@@ -752,21 +754,21 @@ 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(&s->ref_cache[m][scan8[0] - 1 * 8],
(s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);
(s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - h->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);
if (s->mb_x < h->mb_width - 1) {
AV_COPY32(s->mv_cache[m][scan8[0] + 4 - 1 * 8],
h->cur_pic.motion_val[m][b_xy - h->b_stride + 4]);
s->ref_cache[m][scan8[0] + 4 - 1 * 8] =
(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;
(s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - h->mb_stride + 1] + 6] == -1 ||
s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - h->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1;
} else
s->ref_cache[m][scan8[0] + 4 - 1 * 8] = PART_NOT_AVAILABLE;
if (s->mb_x > 0) {
AV_COPY32(s->mv_cache[m][scan8[0] - 1 - 1 * 8],
h->cur_pic.motion_val[m][b_xy - h->b_stride - 1]);
s->ref_cache[m][scan8[0] - 1 - 1 * 8] =
(s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride - 1] + 3] == -1) ? PART_NOT_AVAILABLE : 1;
(s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - h->mb_stride - 1] + 3] == -1) ? PART_NOT_AVAILABLE : 1;
} else
s->ref_cache[m][scan8[0] - 1 - 1 * 8] = PART_NOT_AVAILABLE;
} else
......@@ -802,7 +804,7 @@ 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 = s->intra4x4_pred_mode + h->mb2br_xy[s->mb_xy];
int8_t *i4x4 = s->intra4x4_pred_mode + s->mb2br_xy[s->mb_xy];
int8_t *i4x4_cache = s->intra4x4_pred_mode_cache;
memset(s->intra4x4_pred_mode_cache, -1, 8 * 5 * sizeof(int8_t));
......@@ -810,15 +812,15 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
if (mb_type == 8) {
if (s->mb_x > 0) {
for (i = 0; i < 4; i++)
s->intra4x4_pred_mode_cache[scan8[0] - 1 + i * 8] = s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6 - i];
s->intra4x4_pred_mode_cache[scan8[0] - 1 + i * 8] = s->intra4x4_pred_mode[s->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) {
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];
s->intra4x4_pred_mode_cache[4 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - h->mb_stride] + 0];
s->intra4x4_pred_mode_cache[5 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - h->mb_stride] + 1];
s->intra4x4_pred_mode_cache[6 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - h->mb_stride] + 2];
s->intra4x4_pred_mode_cache[7 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - h->mb_stride] + 3];
if (s->intra4x4_pred_mode_cache[4 + 8 * 0] == -1)
s->top_samples_available = 0x33FF;
......@@ -896,7 +898,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
}
}
if (!IS_INTRA4x4(mb_type)) {
memset(s->intra4x4_pred_mode + h->mb2br_xy[mb_xy], DC_PRED, 8);
memset(s->intra4x4_pred_mode + s->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));
......@@ -1068,17 +1070,17 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
/* reset intra predictors and invalidate motion vector references */
if (s->mb_x > 0) {
memset(s->intra4x4_pred_mode + h->mb2br_xy[mb_xy - 1] + 3,
memset(s->intra4x4_pred_mode + s->mb2br_xy[mb_xy - 1] + 3,
-1, 4 * sizeof(int8_t));
memset(s->intra4x4_pred_mode + h->mb2br_xy[mb_xy - s->mb_x],
memset(s->intra4x4_pred_mode + s->mb2br_xy[mb_xy - s->mb_x],
-1, 8 * sizeof(int8_t) * s->mb_x);
}
if (s->mb_y > 0) {
memset(s->intra4x4_pred_mode + h->mb2br_xy[mb_xy - h->mb_stride],
memset(s->intra4x4_pred_mode + s->mb2br_xy[mb_xy - h->mb_stride],
-1, 8 * sizeof(int8_t) * (h->mb_width - s->mb_x));
if (s->mb_x > 0)
s->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride - 1] + 3] = -1;
s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - h->mb_stride - 1] + 3] = -1;
}
return 0;
......@@ -1089,7 +1091,7 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
SVQ3Context *s = avctx->priv_data;
H264Context *h = &s->h;
H264SliceContext *sl;
int m;
int m, x, y;
unsigned char *extradata;
unsigned char *extradata_end;
unsigned int size;
......@@ -1281,6 +1283,18 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
if (!s->intra4x4_pred_mode)
return AVERROR(ENOMEM);
s->mb2br_xy = av_mallocz(h->mb_stride * (h->mb_height + 1) *
sizeof(*s->mb2br_xy));
if (!s->mb2br_xy)
return AVERROR(ENOMEM);
for (y = 0; y < h->mb_height; y++)
for (x = 0; x < h->mb_width; x++) {
const int mb_xy = x + y * h->mb_stride;
s->mb2br_xy[mb_xy] = 8 * (mb_xy % (2 * h->mb_stride));
}
if (ff_h264_alloc_tables(h) < 0) {
av_log(avctx, AV_LOG_ERROR, "svq3 memory allocation failed\n");
return AVERROR(ENOMEM);
......@@ -1567,6 +1581,7 @@ static av_cold int svq3_decode_end(AVCodecContext *avctx)
av_freep(&s->slice_buf);
av_freep(&s->intra4x4_pred_mode);
av_freep(&s->edge_emu_buffer);
av_freep(&s->mb2br_xy);
memset(&h->cur_pic, 0, sizeof(h->cur_pic));
......
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