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@ -45,8 +45,7 @@ typedef struct DisplaceContext { |
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uint8_t blank[4]; |
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FFFrameSync fs; |
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void (*displace)(struct DisplaceContext *s, const AVFrame *in, |
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const AVFrame *xpic, const AVFrame *ypic, AVFrame *out); |
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int (*displace_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); |
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} DisplaceContext; |
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#define OFFSET(x) offsetof(DisplaceContext, x) |
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@ -76,29 +75,38 @@ static const enum AVPixelFormat pix_fmts[] = { |
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AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE |
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}; |
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static void displace_planar(DisplaceContext *s, const AVFrame *in, |
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const AVFrame *xpic, const AVFrame *ypic, |
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AVFrame *out) |
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typedef struct ThreadData { |
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AVFrame *in, *xin, *yin, *out; |
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} ThreadData; |
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static int displace_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
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{ |
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int plane, x, y; |
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DisplaceContext *s = ctx->priv; |
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const ThreadData *td = arg; |
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const AVFrame *in = td->in; |
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const AVFrame *xin = td->xin; |
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const AVFrame *yin = td->yin; |
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const AVFrame *out = td->out; |
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for (plane = 0; plane < s->nb_planes; plane++) { |
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for (int plane = 0; plane < s->nb_planes; plane++) { |
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const int h = s->height[plane]; |
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const int w = s->width[plane]; |
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const int slice_start = (h * jobnr ) / nb_jobs; |
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const int slice_end = (h * (jobnr+1)) / nb_jobs; |
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const int dlinesize = out->linesize[plane]; |
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const int slinesize = in->linesize[plane]; |
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const int xlinesize = xpic->linesize[plane]; |
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const int ylinesize = ypic->linesize[plane]; |
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const int xlinesize = xin->linesize[plane]; |
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const int ylinesize = yin->linesize[plane]; |
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const uint8_t *src = in->data[plane]; |
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const uint8_t *ysrc = ypic->data[plane]; |
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const uint8_t *xsrc = xpic->data[plane]; |
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uint8_t *dst = out->data[plane]; |
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const uint8_t *ysrc = yin->data[plane] + slice_start * ylinesize; |
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const uint8_t *xsrc = xin->data[plane] + slice_start * xlinesize; |
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uint8_t *dst = out->data[plane] + slice_start * dlinesize; |
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const uint8_t blank = s->blank[plane]; |
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for (y = 0; y < h; y++) { |
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for (int y = slice_start; y < slice_end; y++) { |
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switch (s->edge) { |
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case EDGE_BLANK: |
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for (x = 0; x < w; x++) { |
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for (int x = 0; x < w; x++) { |
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int Y = y + ysrc[x] - 128; |
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int X = x + xsrc[x] - 128; |
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@ -109,14 +117,14 @@ static void displace_planar(DisplaceContext *s, const AVFrame *in, |
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} |
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break; |
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case EDGE_SMEAR: |
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for (x = 0; x < w; x++) { |
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for (int x = 0; x < w; x++) { |
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int Y = av_clip(y + ysrc[x] - 128, 0, h - 1); |
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int X = av_clip(x + xsrc[x] - 128, 0, w - 1); |
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dst[x] = src[Y * slinesize + X]; |
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} |
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break; |
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case EDGE_WRAP: |
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for (x = 0; x < w; x++) { |
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for (int x = 0; x < w; x++) { |
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int Y = (y + ysrc[x] - 128) % h; |
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int X = (x + xsrc[x] - 128) % w; |
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@ -128,7 +136,7 @@ static void displace_planar(DisplaceContext *s, const AVFrame *in, |
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} |
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break; |
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case EDGE_MIRROR: |
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for (x = 0; x < w; x++) { |
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for (int x = 0; x < w; x++) { |
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int Y = y + ysrc[x] - 128; |
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int X = x + xsrc[x] - 128; |
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@ -150,31 +158,37 @@ static void displace_planar(DisplaceContext *s, const AVFrame *in, |
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dst += dlinesize; |
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} |
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} |
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return 0; |
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} |
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static void displace_packed(DisplaceContext *s, const AVFrame *in, |
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const AVFrame *xpic, const AVFrame *ypic, |
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AVFrame *out) |
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static int displace_packed(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
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{ |
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DisplaceContext *s = ctx->priv; |
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const ThreadData *td = arg; |
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const AVFrame *in = td->in; |
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const AVFrame *xin = td->xin; |
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const AVFrame *yin = td->yin; |
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const AVFrame *out = td->out; |
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const int step = s->step; |
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const int h = s->height[0]; |
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const int w = s->width[0]; |
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const int slice_start = (h * jobnr ) / nb_jobs; |
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const int slice_end = (h * (jobnr+1)) / nb_jobs; |
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const int dlinesize = out->linesize[0]; |
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const int slinesize = in->linesize[0]; |
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const int xlinesize = xpic->linesize[0]; |
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const int ylinesize = ypic->linesize[0]; |
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const int xlinesize = xin->linesize[0]; |
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const int ylinesize = yin->linesize[0]; |
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const uint8_t *src = in->data[0]; |
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const uint8_t *ysrc = ypic->data[0]; |
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const uint8_t *xsrc = xpic->data[0]; |
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const uint8_t *ysrc = yin->data[0] + slice_start * ylinesize; |
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const uint8_t *xsrc = xin->data[0] + slice_start * xlinesize; |
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uint8_t *dst = out->data[0] + slice_start * dlinesize; |
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const uint8_t *blank = s->blank; |
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uint8_t *dst = out->data[0]; |
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int c, x, y; |
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for (y = 0; y < h; y++) { |
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for (int y = slice_start; y < slice_end; y++) { |
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switch (s->edge) { |
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case EDGE_BLANK: |
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for (x = 0; x < w; x++) { |
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for (c = 0; c < s->nb_components; c++) { |
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for (int x = 0; x < w; x++) { |
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for (int c = 0; c < s->nb_components; c++) { |
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int Y = y + (ysrc[x * step + c] - 128); |
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int X = x + (xsrc[x * step + c] - 128); |
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@ -186,8 +200,8 @@ static void displace_packed(DisplaceContext *s, const AVFrame *in, |
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} |
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break; |
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case EDGE_SMEAR: |
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for (x = 0; x < w; x++) { |
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for (c = 0; c < s->nb_components; c++) { |
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for (int x = 0; x < w; x++) { |
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for (int c = 0; c < s->nb_components; c++) { |
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int Y = av_clip(y + (ysrc[x * step + c] - 128), 0, h - 1); |
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int X = av_clip(x + (xsrc[x * step + c] - 128), 0, w - 1); |
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@ -196,8 +210,8 @@ static void displace_packed(DisplaceContext *s, const AVFrame *in, |
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} |
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break; |
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case EDGE_WRAP: |
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for (x = 0; x < w; x++) { |
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for (c = 0; c < s->nb_components; c++) { |
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for (int x = 0; x < w; x++) { |
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for (int c = 0; c < s->nb_components; c++) { |
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int Y = (y + (ysrc[x * step + c] - 128)) % h; |
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int X = (x + (xsrc[x * step + c] - 128)) % w; |
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@ -210,8 +224,8 @@ static void displace_packed(DisplaceContext *s, const AVFrame *in, |
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} |
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break; |
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case EDGE_MIRROR: |
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for (x = 0; x < w; x++) { |
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for (c = 0; c < s->nb_components; c++) { |
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for (int x = 0; x < w; x++) { |
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for (int c = 0; c < s->nb_components; c++) { |
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int Y = y + ysrc[x * step + c] - 128; |
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int X = x + xsrc[x * step + c] - 128; |
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@ -233,6 +247,7 @@ static void displace_packed(DisplaceContext *s, const AVFrame *in, |
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xsrc += xlinesize; |
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dst += dlinesize; |
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} |
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return 0; |
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} |
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static int process_frame(FFFrameSync *fs) |
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@ -240,12 +255,12 @@ static int process_frame(FFFrameSync *fs) |
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AVFilterContext *ctx = fs->parent; |
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DisplaceContext *s = fs->opaque; |
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AVFilterLink *outlink = ctx->outputs[0]; |
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AVFrame *out, *in, *xpic, *ypic; |
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AVFrame *out, *in, *xin, *yin; |
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int ret; |
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if ((ret = ff_framesync_get_frame(&s->fs, 0, &in, 0)) < 0 || |
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(ret = ff_framesync_get_frame(&s->fs, 1, &xpic, 0)) < 0 || |
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(ret = ff_framesync_get_frame(&s->fs, 2, &ypic, 0)) < 0) |
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if ((ret = ff_framesync_get_frame(&s->fs, 0, &in, 0)) < 0 || |
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(ret = ff_framesync_get_frame(&s->fs, 1, &xin, 0)) < 0 || |
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(ret = ff_framesync_get_frame(&s->fs, 2, &yin, 0)) < 0) |
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return ret; |
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if (ctx->is_disabled) { |
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@ -253,12 +268,19 @@ static int process_frame(FFFrameSync *fs) |
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if (!out) |
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return AVERROR(ENOMEM); |
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} else { |
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ThreadData td; |
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out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
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if (!out) |
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return AVERROR(ENOMEM); |
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av_frame_copy_props(out, in); |
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s->displace(s, in, xpic, ypic, out); |
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td.in = in; |
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td.xin = xin; |
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td.yin = yin; |
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td.out = out; |
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ff_filter_execute(ctx, s->displace_slice, &td, NULL, |
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FFMIN(outlink->h, ff_filter_get_nb_threads(ctx))); |
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} |
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out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base); |
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@ -276,9 +298,9 @@ static int config_input(AVFilterLink *inlink) |
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s->nb_components = desc->nb_components; |
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if (s->nb_planes > 1 || s->nb_components == 1) |
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s->displace = displace_planar; |
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s->displace_slice = displace_planar; |
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else |
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s->displace = displace_packed; |
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s->displace_slice = displace_packed; |
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if (!(desc->flags & AV_PIX_FMT_FLAG_RGB)) { |
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s->blank[1] = s->blank[2] = 128; |
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@ -398,5 +420,6 @@ const AVFilter ff_vf_displace = { |
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FILTER_OUTPUTS(displace_outputs), |
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FILTER_PIXFMTS_ARRAY(pix_fmts), |
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.priv_class = &displace_class, |
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.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL, |
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.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | |
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AVFILTER_FLAG_SLICE_THREADS, |
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}; |
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