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lavfi/minterpolate: Split struct Pixel to allow higher resolutions. 

Raises the maximum resolution from 2716x2707 to approximately 4096x4095.

Fixes ticket #6795.
This commit is contained in:
Carl Eugen Hoyos 2017-12-03 05:26:25 +01:00
parent 2f96190732
commit ad73b32d29
1 changed files with 73 additions and 43 deletions
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116
libavfilter/vf_minterpolate.c
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@ -145,12 +145,18 @@ typedef struct Block {
struct Block *subs;
} Block;
typedef struct Pixel {
typedef struct PixelMVS {
int16_t mvs[NB_PIXEL_MVS][2];
} PixelMVS;
typedef struct PixelWeights {
uint32_t weights[NB_PIXEL_MVS];
} PixelWeights;
typedef struct PixelRefs {
int8_t refs[NB_PIXEL_MVS];
int nb;
} Pixel;
} PixelRefs;
typedef struct Frame {
AVFrame *avf;
@ -172,7 +178,9 @@ typedef struct MIContext {
Frame frames[NB_FRAMES];
Cluster clusters[NB_CLUSTERS];
Block *int_blocks;
Pixel *pixels;
PixelMVS *pixel_mvs;
PixelWeights *pixel_weights;
PixelRefs *pixel_refs;
int (*mv_table[3])[2][2];
int64_t out_pts;
int b_width, b_height, b_count;
@ -331,7 +339,7 @@ static int config_input(AVFilterLink *inlink)
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
const int height = inlink->h;
const int width = inlink->w;
int i;
int i, ret = 0;
mi_ctx->log2_chroma_h = desc->log2_chroma_h;
mi_ctx->log2_chroma_w = desc->log2_chroma_w;
@ -353,8 +361,13 @@ static int config_input(AVFilterLink *inlink)
}
if (mi_ctx->mi_mode == MI_MODE_MCI) {
if (!(mi_ctx->pixels = av_mallocz_array(width * height, sizeof(Pixel))))
return AVERROR(ENOMEM);
mi_ctx->pixel_mvs = av_mallocz_array(width * height, sizeof(PixelMVS));
mi_ctx->pixel_weights = av_mallocz_array(width * height, sizeof(PixelWeights));
mi_ctx->pixel_refs = av_mallocz_array(width * height, sizeof(PixelRefs));
if (!mi_ctx->pixel_mvs || !mi_ctx->pixel_weights || !mi_ctx->pixel_refs) {
ret = AVERROR(ENOMEM);
goto fail;
}
if (mi_ctx->me_mode == ME_MODE_BILAT)
if (!(mi_ctx->int_blocks = av_mallocz_array(mi_ctx->b_count, sizeof(Block))))
@ -383,6 +396,13 @@ static int config_input(AVFilterLink *inlink)
me_ctx->get_cost = &get_sbad_ob;
return 0;
fail:
for (i = 0; i < NB_FRAMES; i++)
av_freep(&mi_ctx->frames[i].blocks);
av_freep(&mi_ctx->pixel_mvs);
av_freep(&mi_ctx->pixel_weights);
av_freep(&mi_ctx->pixel_refs);
return ret;
}
static int config_output(AVFilterLink *outlink)
@ -833,18 +853,18 @@ static int detect_scene_change(MIContext *mi_ctx)
#define ADD_PIXELS(b_weight, mv_x, mv_y)\
do {\
if (!b_weight || pixel->nb + 1 >= NB_PIXEL_MVS)\
if (!b_weight || pixel_refs->nb + 1 >= NB_PIXEL_MVS)\
continue;\
pixel->refs[pixel->nb] = 1;\
pixel->weights[pixel->nb] = b_weight * (ALPHA_MAX - alpha);\
pixel->mvs[pixel->nb][0] = av_clip((mv_x * alpha) / ALPHA_MAX, x_min, x_max);\
pixel->mvs[pixel->nb][1] = av_clip((mv_y * alpha) / ALPHA_MAX, y_min, y_max);\
pixel->nb++;\
pixel->refs[pixel->nb] = 2;\
pixel->weights[pixel->nb] = b_weight * alpha;\
pixel->mvs[pixel->nb][0] = av_clip(-mv_x * (ALPHA_MAX - alpha) / ALPHA_MAX, x_min, x_max);\
pixel->mvs[pixel->nb][1] = av_clip(-mv_y * (ALPHA_MAX - alpha) / ALPHA_MAX, y_min, y_max);\
pixel->nb++;\
pixel_refs->refs[pixel_refs->nb] = 1;\
pixel_weights->weights[pixel_refs->nb] = b_weight * (ALPHA_MAX - alpha);\
pixel_mvs->mvs[pixel_refs->nb][0] = av_clip((mv_x * alpha) / ALPHA_MAX, x_min, x_max);\
pixel_mvs->mvs[pixel_refs->nb][1] = av_clip((mv_y * alpha) / ALPHA_MAX, y_min, y_max);\
pixel_refs->nb++;\
pixel_refs->refs[pixel_refs->nb] = 2;\
pixel_weights->weights[pixel_refs->nb] = b_weight * alpha;\
pixel_mvs->mvs[pixel_refs->nb][0] = av_clip(-mv_x * (ALPHA_MAX - alpha) / ALPHA_MAX, x_min, x_max);\
pixel_mvs->mvs[pixel_refs->nb][1] = av_clip(-mv_y * (ALPHA_MAX - alpha) / ALPHA_MAX, y_min, y_max);\
pixel_refs->nb++;\
} while(0)
static void bidirectional_obmc(MIContext *mi_ctx, int alpha)
@ -856,7 +876,7 @@ static void bidirectional_obmc(MIContext *mi_ctx, int alpha)
for (y = 0; y < height; y++)
for (x = 0; x < width; x++)
mi_ctx->pixels[x + y * width].nb = 0;
mi_ctx->pixel_refs[x + y * width].nb = 0;
for (dir = 0; dir < 2; dir++)
for (mb_y = 0; mb_y < mi_ctx->b_height; mb_y++)
@ -887,7 +907,9 @@ static void bidirectional_obmc(MIContext *mi_ctx, int alpha)
int x_min = -x;
int x_max = width - x - 1;
int obmc_weight = obmc_tab_linear[4 - mi_ctx->log2_mb_size][(x - start_x) + ((y - start_y) << (mi_ctx->log2_mb_size + 1))];
Pixel *pixel = &mi_ctx->pixels[x + y * width];
PixelMVS *pixel_mvs = &mi_ctx->pixel_mvs[x + y * width];
PixelWeights *pixel_weights = &mi_ctx->pixel_weights[x + y * width];
PixelRefs *pixel_refs = &mi_ctx->pixel_refs[x + y * width];
ADD_PIXELS(obmc_weight, mv_x, mv_y);
}
@ -909,36 +931,38 @@ static void set_frame_data(MIContext *mi_ctx, int alpha, AVFrame *avf_out)
int x_mv, y_mv;
int weight_sum = 0;
int i, val = 0;
Pixel *pixel = &mi_ctx->pixels[x + y * avf_out->width];
PixelMVS *pixel_mvs = &mi_ctx->pixel_mvs[x + y * avf_out->width];
PixelWeights *pixel_weights = &mi_ctx->pixel_weights[x + y * avf_out->width];
PixelRefs *pixel_refs = &mi_ctx->pixel_refs[x + y * avf_out->width];
for (i = 0; i < pixel->nb; i++)
weight_sum += pixel->weights[i];
for (i = 0; i < pixel_refs->nb; i++)
weight_sum += pixel_weights->weights[i];
if (!weight_sum || !pixel->nb) {
pixel->weights[0] = ALPHA_MAX - alpha;
pixel->refs[0] = 1;
pixel->mvs[0][0] = 0;
pixel->mvs[0][1] = 0;
pixel->weights[1] = alpha;
pixel->refs[1] = 2;
pixel->mvs[1][0] = 0;
pixel->mvs[1][1] = 0;
pixel->nb = 2;
if (!weight_sum || !pixel_refs->nb) {
pixel_weights->weights[0] = ALPHA_MAX - alpha;
pixel_refs->refs[0] = 1;
pixel_mvs->mvs[0][0] = 0;
pixel_mvs->mvs[0][1] = 0;
pixel_weights->weights[1] = alpha;
pixel_refs->refs[1] = 2;
pixel_mvs->mvs[1][0] = 0;
pixel_mvs->mvs[1][1] = 0;
pixel_refs->nb = 2;
weight_sum = ALPHA_MAX;
}
for (i = 0; i < pixel->nb; i++) {
Frame *frame = &mi_ctx->frames[pixel->refs[i]];
for (i = 0; i < pixel_refs->nb; i++) {
Frame *frame = &mi_ctx->frames[pixel_refs->refs[i]];
if (chroma) {
x_mv = (x >> mi_ctx->log2_chroma_w) + pixel->mvs[i][0] / (1 << mi_ctx->log2_chroma_w);
y_mv = (y >> mi_ctx->log2_chroma_h) + pixel->mvs[i][1] / (1 << mi_ctx->log2_chroma_h);
x_mv = (x >> mi_ctx->log2_chroma_w) + pixel_mvs->mvs[i][0] / (1 << mi_ctx->log2_chroma_w);
y_mv = (y >> mi_ctx->log2_chroma_h) + pixel_mvs->mvs[i][1] / (1 << mi_ctx->log2_chroma_h);
} else {
x_mv = x + pixel->mvs[i][0];
y_mv = y + pixel->mvs[i][1];
x_mv = x + pixel_mvs->mvs[i][0];
y_mv = y + pixel_mvs->mvs[i][1];
}
val += pixel->weights[i] * frame->avf->data[plane][x_mv + y_mv * frame->avf->linesize[plane]];
val += pixel_weights->weights[i] * frame->avf->data[plane][x_mv + y_mv * frame->avf->linesize[plane]];
}
val = ROUNDED_DIV(val, weight_sum);
@ -979,7 +1003,9 @@ static void var_size_bmc(MIContext *mi_ctx, Block *block, int x_mb, int y_mb, in
for (x = start_x; x < end_x; x++) {
int x_min = -x;
int x_max = width - x - 1;
Pixel *pixel = &mi_ctx->pixels[x + y * width];
PixelMVS *pixel_mvs = &mi_ctx->pixel_mvs[x + y * width];
PixelWeights *pixel_weights = &mi_ctx->pixel_weights[x + y * width];
PixelRefs *pixel_refs = &mi_ctx->pixel_refs[x + y * width];
ADD_PIXELS(PX_WEIGHT_MAX, mv_x, mv_y);
}
@ -1028,7 +1054,9 @@ static void bilateral_obmc(MIContext *mi_ctx, Block *block, int mb_x, int mb_y,
int x_min = -x;
int x_max = width - x - 1;
int obmc_weight = obmc_tab_linear[4 - mi_ctx->log2_mb_size][(x - start_x) + ((y - start_y) << (mi_ctx->log2_mb_size + 1))];
Pixel *pixel = &mi_ctx->pixels[x + y * width];
PixelMVS *pixel_mvs = &mi_ctx->pixel_mvs[x + y * width];
PixelWeights *pixel_weights = &mi_ctx->pixel_weights[x + y * width];
PixelRefs *pixel_refs = &mi_ctx->pixel_refs[x + y * width];
if (mi_ctx->mc_mode == MC_MODE_AOBMC) {
nb_x = (((x - start_x) >> (mi_ctx->log2_mb_size - 1)) * 2 - 3) / 2;
@ -1112,7 +1140,7 @@ static void interpolate(AVFilterLink *inlink, AVFrame *avf_out)
for (y = 0; y < mi_ctx->frames[0].avf->height; y++)
for (x = 0; x < mi_ctx->frames[0].avf->width; x++)
mi_ctx->pixels[x + y * mi_ctx->frames[0].avf->width].nb = 0;
mi_ctx->pixel_refs[x + y * mi_ctx->frames[0].avf->width].nb = 0;
for (mb_y = 0; mb_y < mi_ctx->b_height; mb_y++)
for (mb_x = 0; mb_x < mi_ctx->b_width; mb_x++) {
@ -1195,7 +1223,9 @@ static av_cold void uninit(AVFilterContext *ctx)
MIContext *mi_ctx = ctx->priv;
int i, m;
av_freep(&mi_ctx->pixels);
av_freep(&mi_ctx->pixel_mvs);
av_freep(&mi_ctx->pixel_weights);
av_freep(&mi_ctx->pixel_refs);
if (mi_ctx->int_blocks)
for (m = 0; m < mi_ctx->b_count; m++)
free_blocks(&mi_ctx->int_blocks[m], 0);