char *matrix_str[4];
float rdiv[4];
float bias[4];
+ float scale;
+ float delta;
+ int planes;
+ int size[4];
+ int depth;
+ int bpc;
int bstride;
uint8_t *buffer;
+ uint8_t **bptrs;
int nb_planes;
+ int nb_threads;
int planewidth[4];
int planeheight[4];
int matrix[4][25];
int matrix_length[4];
int copy[4];
- void (*filter[4])(struct ConvolutionContext *s, AVFrame *in, AVFrame *out, int plane);
+ int (*filter[4])(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
} ConvolutionContext;
#define OFFSET(x) offsetof(ConvolutionContext, x)
static int query_formats(AVFilterContext *ctx)
{
static const enum AVPixelFormat pix_fmts[] = {
- AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P,
- AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV411P,
+ AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P,
AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
- AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ411P,
- AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
- AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
- AV_PIX_FMT_GRAY8,
+ AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
+ AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
+ AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
+ AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
+ AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12,
+ AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
+ AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
+ AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
+ AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
+ AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
+ AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
+ AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
+ AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
+ AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16,
AV_PIX_FMT_NONE
};
return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
}
-static int config_input(AVFilterLink *inlink)
+static inline void line_copy8(uint8_t *line, const uint8_t *srcp, int width, int mergin)
{
- ConvolutionContext *s = inlink->dst->priv;
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
- int ret;
-
- if ((ret = av_image_fill_linesizes(s->planewidth, inlink->format, inlink->w)) < 0)
- return ret;
-
- s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
- s->planeheight[0] = s->planeheight[3] = inlink->h;
-
- s->nb_planes = av_pix_fmt_count_planes(inlink->format);
+ int i;
- s->bstride = s->planewidth[0] + 32;
- s->buffer = av_malloc(5 * s->bstride);
- if (!s->buffer)
- return AVERROR(ENOMEM);
+ memcpy(line, srcp, width);
- return 0;
+ for (i = mergin; i > 0; i--) {
+ line[-i] = line[i];
+ line[width - 1 + i] = line[width - 1 - i];
+ }
}
-static inline void line_copy8(uint8_t *line, const uint8_t *srcp, int width, int mergin)
+static inline void line_copy16(uint16_t *line, const uint16_t *srcp, int width, int mergin)
{
int i;
- memcpy(line, srcp, width);
+ memcpy(line, srcp, width * 2);
for (i = mergin; i > 0; i--) {
line[-i] = line[i];
}
}
-static void filter_3x3(ConvolutionContext *s, AVFrame *in, AVFrame *out, int plane)
+typedef struct ThreadData {
+ AVFrame *in, *out;
+ int plane;
+} ThreadData;
+
+static int filter16_prewitt(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
- const uint8_t *src = in->data[plane];
- uint8_t *dst = out->data[plane];
+ ConvolutionContext *s = ctx->priv;
+ ThreadData *td = arg;
+ AVFrame *in = td->in;
+ AVFrame *out = td->out;
+ const int plane = td->plane;
+ const int peak = (1 << s->depth) - 1;
+ const int stride = in->linesize[plane] / 2;
+ const int bstride = s->bstride;
+ const int height = s->planeheight[plane];
+ const int width = s->planewidth[plane];
+ const int slice_start = (height * jobnr) / nb_jobs;
+ const int slice_end = (height * (jobnr+1)) / nb_jobs;
+ const uint16_t *src = (const uint16_t *)in->data[plane] + slice_start * stride;
+ uint16_t *dst = (uint16_t *)out->data[plane] + slice_start * (out->linesize[plane] / 2);
+ const float scale = s->scale;
+ const float delta = s->delta;
+ uint16_t *p0 = (uint16_t *)s->bptrs[jobnr] + 16;
+ uint16_t *p1 = p0 + bstride;
+ uint16_t *p2 = p1 + bstride;
+ uint16_t *orig = p0, *end = p2;
+ int y, x;
+
+ line_copy16(p0, src + stride * (slice_start == 0 ? 1 : -1), width, 1);
+ line_copy16(p1, src, width, 1);
+
+ for (y = slice_start; y < slice_end; y++) {
+ src += stride * (y < height - 1 ? 1 : -1);
+ line_copy16(p2, src, width, 1);
+
+ for (x = 0; x < width; x++) {
+ int suma = p0[x - 1] * -1 +
+ p0[x] * -1 +
+ p0[x + 1] * -1 +
+ p2[x - 1] * 1 +
+ p2[x] * 1 +
+ p2[x + 1] * 1;
+ int sumb = p0[x - 1] * -1 +
+ p0[x + 1] * 1 +
+ p1[x - 1] * -1 +
+ p1[x + 1] * 1 +
+ p2[x - 1] * -1 +
+ p2[x + 1] * 1;
+
+ dst[x] = av_clip(sqrt(suma*suma + sumb*sumb) * scale + delta, 0, peak);
+ }
+
+ p0 = p1;
+ p1 = p2;
+ p2 = (p2 == end) ? orig: p2 + bstride;
+ dst += out->linesize[plane] / 2;
+ }
+
+ return 0;
+}
+
+static int filter16_sobel(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+ ConvolutionContext *s = ctx->priv;
+ ThreadData *td = arg;
+ AVFrame *in = td->in;
+ AVFrame *out = td->out;
+ const int plane = td->plane;
+ const int peak = (1 << s->depth) - 1;
+ const int stride = in->linesize[plane] / 2;
+ const int bstride = s->bstride;
+ const int height = s->planeheight[plane];
+ const int width = s->planewidth[plane];
+ const int slice_start = (height * jobnr) / nb_jobs;
+ const int slice_end = (height * (jobnr+1)) / nb_jobs;
+ const uint16_t *src = (const uint16_t *)in->data[plane] + slice_start * stride;
+ uint16_t *dst = (uint16_t *)out->data[plane] + slice_start * (out->linesize[plane] / 2);
+ const float scale = s->scale;
+ const float delta = s->delta;
+ uint16_t *p0 = (uint16_t *)s->bptrs[jobnr] + 16;
+ uint16_t *p1 = p0 + bstride;
+ uint16_t *p2 = p1 + bstride;
+ uint16_t *orig = p0, *end = p2;
+ int y, x;
+
+ line_copy16(p0, src + stride * (slice_start == 0 ? 1 : -1), width, 1);
+ line_copy16(p1, src, width, 1);
+
+ for (y = slice_start; y < slice_end; y++) {
+ src += stride * (y < height - 1 ? 1 : -1);
+ line_copy16(p2, src, width, 1);
+
+ for (x = 0; x < width; x++) {
+ int suma = p0[x - 1] * -1 +
+ p0[x] * -2 +
+ p0[x + 1] * -1 +
+ p2[x - 1] * 1 +
+ p2[x] * 2 +
+ p2[x + 1] * 1;
+ int sumb = p0[x - 1] * -1 +
+ p0[x + 1] * 1 +
+ p1[x - 1] * -2 +
+ p1[x + 1] * 2 +
+ p2[x - 1] * -1 +
+ p2[x + 1] * 1;
+
+ dst[x] = av_clip(sqrt(suma*suma + sumb*sumb) * scale + delta, 0, peak);
+ }
+
+ p0 = p1;
+ p1 = p2;
+ p2 = (p2 == end) ? orig: p2 + bstride;
+ dst += out->linesize[plane] / 2;
+ }
+
+ return 0;
+}
+
+static int filter_prewitt(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+ ConvolutionContext *s = ctx->priv;
+ ThreadData *td = arg;
+ AVFrame *in = td->in;
+ AVFrame *out = td->out;
+ const int plane = td->plane;
const int stride = in->linesize[plane];
const int bstride = s->bstride;
const int height = s->planeheight[plane];
const int width = s->planewidth[plane];
- uint8_t *p0 = s->buffer + 16;
+ const int slice_start = (height * jobnr) / nb_jobs;
+ const int slice_end = (height * (jobnr+1)) / nb_jobs;
+ const uint8_t *src = in->data[plane] + slice_start * stride;
+ uint8_t *dst = out->data[plane] + slice_start * out->linesize[plane];
+ const float scale = s->scale;
+ const float delta = s->delta;
+ uint8_t *p0 = s->bptrs[jobnr] + 16;
uint8_t *p1 = p0 + bstride;
uint8_t *p2 = p1 + bstride;
uint8_t *orig = p0, *end = p2;
+ int y, x;
+
+ line_copy8(p0, src + stride * (slice_start == 0 ? 1 : -1), width, 1);
+ line_copy8(p1, src, width, 1);
+
+ for (y = slice_start; y < slice_end; y++) {
+ src += stride * (y < height - 1 ? 1 : -1);
+ line_copy8(p2, src, width, 1);
+
+ for (x = 0; x < width; x++) {
+ int suma = p0[x - 1] * -1 +
+ p0[x] * -1 +
+ p0[x + 1] * -1 +
+ p2[x - 1] * 1 +
+ p2[x] * 1 +
+ p2[x + 1] * 1;
+ int sumb = p0[x - 1] * -1 +
+ p0[x + 1] * 1 +
+ p1[x - 1] * -1 +
+ p1[x + 1] * 1 +
+ p2[x - 1] * -1 +
+ p2[x + 1] * 1;
+
+ dst[x] = av_clip_uint8(sqrt(suma*suma + sumb*sumb) * scale + delta);
+ }
+
+ p0 = p1;
+ p1 = p2;
+ p2 = (p2 == end) ? orig: p2 + bstride;
+ dst += out->linesize[plane];
+ }
+
+ return 0;
+}
+
+static int filter_sobel(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+ ConvolutionContext *s = ctx->priv;
+ ThreadData *td = arg;
+ AVFrame *in = td->in;
+ AVFrame *out = td->out;
+ const int plane = td->plane;
+ const int stride = in->linesize[plane];
+ const int bstride = s->bstride;
+ const int height = s->planeheight[plane];
+ const int width = s->planewidth[plane];
+ const int slice_start = (height * jobnr) / nb_jobs;
+ const int slice_end = (height * (jobnr+1)) / nb_jobs;
+ const uint8_t *src = in->data[plane] + slice_start * stride;
+ uint8_t *dst = out->data[plane] + slice_start * out->linesize[plane];
+ const float scale = s->scale;
+ const float delta = s->delta;
+ uint8_t *p0 = s->bptrs[jobnr] + 16;
+ uint8_t *p1 = p0 + bstride;
+ uint8_t *p2 = p1 + bstride;
+ uint8_t *orig = p0, *end = p2;
+ int y, x;
+
+ line_copy8(p0, src + stride * (slice_start == 0 ? 1 : -1), width, 1);
+ line_copy8(p1, src, width, 1);
+
+ for (y = slice_start; y < slice_end; y++) {
+ src += stride * (y < height - 1 ? 1 : -1);
+ line_copy8(p2, src, width, 1);
+
+ for (x = 0; x < width; x++) {
+ int suma = p0[x - 1] * -1 +
+ p0[x] * -2 +
+ p0[x + 1] * -1 +
+ p2[x - 1] * 1 +
+ p2[x] * 2 +
+ p2[x + 1] * 1;
+ int sumb = p0[x - 1] * -1 +
+ p0[x + 1] * 1 +
+ p1[x - 1] * -2 +
+ p1[x + 1] * 2 +
+ p2[x - 1] * -1 +
+ p2[x + 1] * 1;
+
+ dst[x] = av_clip_uint8(sqrt(suma*suma + sumb*sumb) * scale + delta);
+ }
+
+ p0 = p1;
+ p1 = p2;
+ p2 = (p2 == end) ? orig: p2 + bstride;
+ dst += out->linesize[plane];
+ }
+
+ return 0;
+}
+
+static int filter16_3x3(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+ ConvolutionContext *s = ctx->priv;
+ ThreadData *td = arg;
+ AVFrame *in = td->in;
+ AVFrame *out = td->out;
+ const int plane = td->plane;
+ const int peak = (1 << s->depth) - 1;
+ const int stride = in->linesize[plane] / 2;
+ const int bstride = s->bstride;
+ const int height = s->planeheight[plane];
+ const int width = s->planewidth[plane];
+ const int slice_start = (height * jobnr) / nb_jobs;
+ const int slice_end = (height * (jobnr+1)) / nb_jobs;
+ const uint16_t *src = (const uint16_t *)in->data[plane] + slice_start * stride;
+ uint16_t *dst = (uint16_t *)out->data[plane] + slice_start * (out->linesize[plane] / 2);
+ uint16_t *p0 = (uint16_t *)s->bptrs[jobnr] + 16;
+ uint16_t *p1 = p0 + bstride;
+ uint16_t *p2 = p1 + bstride;
+ uint16_t *orig = p0, *end = p2;
const int *matrix = s->matrix[plane];
const float rdiv = s->rdiv[plane];
const float bias = s->bias[plane];
int y, x;
- line_copy8(p0, src + stride, width, 1);
+ line_copy16(p0, src + stride * (slice_start == 0 ? 1 : -1), width, 1);
+ line_copy16(p1, src, width, 1);
+
+ for (y = slice_start; y < slice_end; y++) {
+ src += stride * (y < height - 1 ? 1 : -1);
+ line_copy16(p2, src, width, 1);
+
+ for (x = 0; x < width; x++) {
+ int sum = p0[x - 1] * matrix[0] +
+ p0[x] * matrix[1] +
+ p0[x + 1] * matrix[2] +
+ p1[x - 1] * matrix[3] +
+ p1[x] * matrix[4] +
+ p1[x + 1] * matrix[5] +
+ p2[x - 1] * matrix[6] +
+ p2[x] * matrix[7] +
+ p2[x + 1] * matrix[8];
+ sum = (int)(sum * rdiv + bias + 0.5f);
+ dst[x] = av_clip(sum, 0, peak);
+ }
+
+ p0 = p1;
+ p1 = p2;
+ p2 = (p2 == end) ? orig: p2 + bstride;
+ dst += out->linesize[plane] / 2;
+ }
+
+ return 0;
+}
+
+static int filter16_5x5(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+ ConvolutionContext *s = ctx->priv;
+ ThreadData *td = arg;
+ AVFrame *in = td->in;
+ AVFrame *out = td->out;
+ const int plane = td->plane;
+ const int peak = (1 << s->depth) - 1;
+ const int stride = in->linesize[plane] / 2;
+ const int bstride = s->bstride;
+ const int height = s->planeheight[plane];
+ const int width = s->planewidth[plane];
+ const int slice_start = (height * jobnr) / nb_jobs;
+ const int slice_end = (height * (jobnr+1)) / nb_jobs;
+ const uint16_t *src = (const uint16_t *)in->data[plane] + slice_start * stride;
+ uint16_t *dst = (uint16_t *)out->data[plane] + slice_start * (out->linesize[plane] / 2);
+ uint16_t *p0 = (uint16_t *)s->bptrs[jobnr] + 16;
+ uint16_t *p1 = p0 + bstride;
+ uint16_t *p2 = p1 + bstride;
+ uint16_t *p3 = p2 + bstride;
+ uint16_t *p4 = p3 + bstride;
+ uint16_t *orig = p0, *end = p4;
+ const int *matrix = s->matrix[plane];
+ float rdiv = s->rdiv[plane];
+ float bias = s->bias[plane];
+ int y, x, i;
+
+ line_copy16(p0, src + 2 * stride * (slice_start < 2 ? 1 : -1), width, 2);
+ line_copy16(p1, src + stride * (slice_start == 0 ? 1 : -1), width, 2);
+ line_copy16(p2, src, width, 2);
+ src += stride;
+ line_copy16(p3, src, width, 2);
+
+ for (y = slice_start; y < slice_end; y++) {
+ uint16_t *array[] = {
+ p0 - 2, p0 - 1, p0, p0 + 1, p0 + 2,
+ p1 - 2, p1 - 1, p1, p1 + 1, p1 + 2,
+ p2 - 2, p2 - 1, p2, p2 + 1, p2 + 2,
+ p3 - 2, p3 - 1, p3, p3 + 1, p3 + 2,
+ p4 - 2, p4 - 1, p4, p4 + 1, p4 + 2
+ };
+
+ src += stride * (y < height - 2 ? 1 : -1);
+ line_copy16(p4, src, width, 2);
+
+ for (x = 0; x < width; x++) {
+ int sum = 0;
+
+ for (i = 0; i < 25; i++) {
+ sum += *(array[i] + x) * matrix[i];
+ }
+ sum = (int)(sum * rdiv + bias + 0.5f);
+ dst[x] = av_clip(sum, 0, peak);
+ }
+
+ p0 = p1;
+ p1 = p2;
+ p2 = p3;
+ p3 = p4;
+ p4 = (p4 == end) ? orig: p4 + bstride;
+ dst += out->linesize[plane] / 2;
+ }
+
+ return 0;
+}
+
+static int filter_3x3(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+ ConvolutionContext *s = ctx->priv;
+ ThreadData *td = arg;
+ AVFrame *in = td->in;
+ AVFrame *out = td->out;
+ const int plane = td->plane;
+ const int stride = in->linesize[plane];
+ const int bstride = s->bstride;
+ const int height = s->planeheight[plane];
+ const int width = s->planewidth[plane];
+ const int slice_start = (height * jobnr) / nb_jobs;
+ const int slice_end = (height * (jobnr+1)) / nb_jobs;
+ const uint8_t *src = in->data[plane] + slice_start * stride;
+ uint8_t *dst = out->data[plane] + slice_start * out->linesize[plane];
+ uint8_t *p0 = s->bptrs[jobnr] + 16;
+ uint8_t *p1 = p0 + bstride;
+ uint8_t *p2 = p1 + bstride;
+ uint8_t *orig = p0, *end = p2;
+ const int *matrix = s->matrix[plane];
+ const float rdiv = s->rdiv[plane];
+ const float bias = s->bias[plane];
+ int y, x;
+
+ line_copy8(p0, src + stride * (slice_start == 0 ? 1 : -1), width, 1);
line_copy8(p1, src, width, 1);
- for (y = 0; y < height; y++) {
+ for (y = slice_start; y < slice_end; y++) {
src += stride * (y < height - 1 ? 1 : -1);
line_copy8(p2, src, width, 1);
p2 = (p2 == end) ? orig: p2 + bstride;
dst += out->linesize[plane];
}
+
+ return 0;
}
-static void filter_5x5(ConvolutionContext *s, AVFrame *in, AVFrame *out, int plane)
+static int filter_5x5(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
- const uint8_t *src = in->data[plane];
- uint8_t *dst = out->data[plane];
+ ConvolutionContext *s = ctx->priv;
+ ThreadData *td = arg;
+ AVFrame *in = td->in;
+ AVFrame *out = td->out;
+ const int plane = td->plane;
const int stride = in->linesize[plane];
const int bstride = s->bstride;
const int height = s->planeheight[plane];
const int width = s->planewidth[plane];
- uint8_t *p0 = s->buffer + 16;
+ const int slice_start = (height * jobnr) / nb_jobs;
+ const int slice_end = (height * (jobnr+1)) / nb_jobs;
+ const uint8_t *src = in->data[plane] + slice_start * stride;
+ uint8_t *dst = out->data[plane] + slice_start * out->linesize[plane];
+ uint8_t *p0 = s->bptrs[jobnr] + 16;
uint8_t *p1 = p0 + bstride;
uint8_t *p2 = p1 + bstride;
uint8_t *p3 = p2 + bstride;
float bias = s->bias[plane];
int y, x, i;
- line_copy8(p0, src + 2 * stride, width, 2);
- line_copy8(p1, src + stride, width, 2);
+ line_copy8(p0, src + 2 * stride * (slice_start < 2 ? 1 : -1), width, 2);
+ line_copy8(p1, src + stride * (slice_start == 0 ? 1 : -1), width, 2);
line_copy8(p2, src, width, 2);
src += stride;
line_copy8(p3, src, width, 2);
- for (y = 0; y < height; y++) {
+ for (y = slice_start; y < slice_end; y++) {
uint8_t *array[] = {
p0 - 2, p0 - 1, p0, p0 + 1, p0 + 2,
p1 - 2, p1 - 1, p1, p1 + 1, p1 + 2,
p4 = (p4 == end) ? orig: p4 + bstride;
dst += out->linesize[plane];
}
+
+ return 0;
+}
+
+static int config_input(AVFilterLink *inlink)
+{
+ AVFilterContext *ctx = inlink->dst;
+ ConvolutionContext *s = ctx->priv;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
+ int p;
+
+ s->depth = desc->comp[0].depth;
+
+ s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
+ s->planewidth[0] = s->planewidth[3] = inlink->w;
+ s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
+ s->planeheight[0] = s->planeheight[3] = inlink->h;
+
+ s->nb_planes = av_pix_fmt_count_planes(inlink->format);
+ s->nb_threads = ff_filter_get_nb_threads(ctx);
+ s->bptrs = av_calloc(s->nb_threads, sizeof(*s->bptrs));
+ if (!s->bptrs)
+ return AVERROR(ENOMEM);
+
+ s->bstride = s->planewidth[0] + 32;
+ s->bpc = (s->depth + 7) / 8;
+ s->buffer = av_malloc_array(5 * s->bstride * s->nb_threads, s->bpc);
+ if (!s->buffer)
+ return AVERROR(ENOMEM);
+
+ for (p = 0; p < s->nb_threads; p++) {
+ s->bptrs[p] = s->buffer + 5 * s->bstride * s->bpc * p;
+ }
+
+ if (!strcmp(ctx->filter->name, "convolution")) {
+ if (s->depth > 8) {
+ for (p = 0; p < s->nb_planes; p++) {
+ if (s->size[p] == 3)
+ s->filter[p] = filter16_3x3;
+ else if (s->size[p] == 5)
+ s->filter[p] = filter16_5x5;
+ }
+ }
+ } else if (!strcmp(ctx->filter->name, "prewitt")) {
+ if (s->depth > 8)
+ for (p = 0; p < s->nb_planes; p++)
+ s->filter[p] = filter16_prewitt;
+ } else if (!strcmp(ctx->filter->name, "sobel")) {
+ if (s->depth > 8)
+ for (p = 0; p < s->nb_planes; p++)
+ s->filter[p] = filter16_sobel;
+ }
+
+ return 0;
}
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{
- ConvolutionContext *s = inlink->dst->priv;
- AVFilterLink *outlink = inlink->dst->outputs[0];
+ AVFilterContext *ctx = inlink->dst;
+ ConvolutionContext *s = ctx->priv;
+ AVFilterLink *outlink = ctx->outputs[0];
AVFrame *out;
int plane;
av_frame_copy_props(out, in);
for (plane = 0; plane < s->nb_planes; plane++) {
+ ThreadData td;
+
if (s->copy[plane]) {
av_image_copy_plane(out->data[plane], out->linesize[plane],
in->data[plane], in->linesize[plane],
- s->planewidth[plane],
+ s->planewidth[plane] * s->bpc,
s->planeheight[plane]);
continue;
}
- s->filter[plane](s, in, out, plane);
+ td.in = in;
+ td.out = out;
+ td.plane = plane;
+ ctx->internal->execute(ctx, s->filter[plane], &td, NULL, FFMIN(s->planeheight[plane], s->nb_threads));
}
av_frame_free(&in);
ConvolutionContext *s = ctx->priv;
int i;
- for (i = 0; i < 4; i++) {
- int *matrix = (int *)s->matrix[i];
- char *p, *arg, *saveptr = NULL;
+ if (!strcmp(ctx->filter->name, "convolution")) {
+ for (i = 0; i < 4; i++) {
+ int *matrix = (int *)s->matrix[i];
+ char *p, *arg, *saveptr = NULL;
- p = s->matrix_str[i];
- while (s->matrix_length[i] < 25) {
- if (!(arg = av_strtok(p, " ", &saveptr)))
- break;
+ p = s->matrix_str[i];
+ while (s->matrix_length[i] < 25) {
+ if (!(arg = av_strtok(p, " ", &saveptr)))
+ break;
- p = NULL;
- sscanf(arg, "%d", &matrix[s->matrix_length[i]]);
- s->matrix_length[i]++;
- }
+ p = NULL;
+ sscanf(arg, "%d", &matrix[s->matrix_length[i]]);
+ s->matrix_length[i]++;
+ }
- if (s->matrix_length[i] == 9) {
- if (!memcmp(matrix, same3x3, sizeof(same3x3)))
- s->copy[i] = 1;
+ if (s->matrix_length[i] == 9) {
+ s->size[i] = 3;
+ if (!memcmp(matrix, same3x3, sizeof(same3x3)))
+ s->copy[i] = 1;
+ else
+ s->filter[i] = filter_3x3;
+ } else if (s->matrix_length[i] == 25) {
+ s->size[i] = 5;
+ if (!memcmp(matrix, same5x5, sizeof(same5x5)))
+ s->copy[i] = 1;
+ else
+ s->filter[i] = filter_5x5;
+ } else {
+ return AVERROR(EINVAL);
+ }
+ }
+ } else if (!strcmp(ctx->filter->name, "prewitt")) {
+ for (i = 0; i < 4; i++) {
+ if ((1 << i) & s->planes)
+ s->filter[i] = filter_prewitt;
else
- s->filter[i] = filter_3x3;
- } else if (s->matrix_length[i] == 25) {
- if (!memcmp(matrix, same5x5, sizeof(same5x5)))
s->copy[i] = 1;
+ }
+ } else if (!strcmp(ctx->filter->name, "sobel")) {
+ for (i = 0; i < 4; i++) {
+ if ((1 << i) & s->planes)
+ s->filter[i] = filter_sobel;
else
- s->filter[i] = filter_5x5;
- } else {
- return AVERROR(EINVAL);
+ s->copy[i] = 1;
}
}
{
ConvolutionContext *s = ctx->priv;
+ av_freep(&s->bptrs);
av_freep(&s->buffer);
}
{ NULL }
};
+#if CONFIG_CONVOLUTION_FILTER
+
AVFilter ff_vf_convolution = {
.name = "convolution",
.description = NULL_IF_CONFIG_SMALL("Apply convolution filter."),
.query_formats = query_formats,
.inputs = convolution_inputs,
.outputs = convolution_outputs,
- .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
+ .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
+};
+
+#endif /* CONFIG_CONVOLUTION_FILTER */
+
+#if CONFIG_PREWITT_FILTER
+
+static const AVOption prewitt_options[] = {
+ { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15}, 0, 15, FLAGS},
+ { "scale", "set scale", OFFSET(scale), AV_OPT_TYPE_FLOAT, {.dbl=1.0}, 0.0, 65535, FLAGS},
+ { "delta", "set delta", OFFSET(delta), AV_OPT_TYPE_FLOAT, {.dbl=0}, -65535, 65535, FLAGS},
+ { NULL }
};
+
+AVFILTER_DEFINE_CLASS(prewitt);
+
+AVFilter ff_vf_prewitt = {
+ .name = "prewitt",
+ .description = NULL_IF_CONFIG_SMALL("Apply prewitt operator."),
+ .priv_size = sizeof(ConvolutionContext),
+ .priv_class = &prewitt_class,
+ .init = init,
+ .uninit = uninit,
+ .query_formats = query_formats,
+ .inputs = convolution_inputs,
+ .outputs = convolution_outputs,
+ .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
+};
+
+#endif /* CONFIG_PREWITT_FILTER */
+
+#if CONFIG_SOBEL_FILTER
+
+static const AVOption sobel_options[] = {
+ { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15}, 0, 15, FLAGS},
+ { "scale", "set scale", OFFSET(scale), AV_OPT_TYPE_FLOAT, {.dbl=1.0}, 0.0, 65535, FLAGS},
+ { "delta", "set delta", OFFSET(delta), AV_OPT_TYPE_FLOAT, {.dbl=0}, -65535, 65535, FLAGS},
+ { NULL }
+};
+
+AVFILTER_DEFINE_CLASS(sobel);
+
+AVFilter ff_vf_sobel = {
+ .name = "sobel",
+ .description = NULL_IF_CONFIG_SMALL("Apply sobel operator."),
+ .priv_size = sizeof(ConvolutionContext),
+ .priv_class = &sobel_class,
+ .init = init,
+ .uninit = uninit,
+ .query_formats = query_formats,
+ .inputs = convolution_inputs,
+ .outputs = convolution_outputs,
+ .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
+};
+
+#endif /* CONFIG_SOBEL_FILTER */
projects / ffmpeg / blobdiff