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FFmpeg
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Merge remote-tracking branch 'qatar/master' 

* qatar/master:
  vf_pad: use the name 's' for the pointer to the private context
  vf_overlay: use the name 's' for the pointer to the private context
  vf_lut: use the name 's' for the pointer to the private context

Conflicts:
	libavfilter/vf_lut.c
	libavfilter/vf_overlay.c
	libavfilter/vf_pad.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
tags/n2.0
Michael Niedermayer 12 years ago
parent
df003cbb56 3062ac4c47
commit
af00d68af0
3 changed files with 227 additions and 227 deletions
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  1. +54
    -54
      libavfilter/vf_lut.c
  2. +104
    -104
      libavfilter/vf_overlay.c
  3. +69
    -69
      libavfilter/vf_pad.c

+ 54
- 54
libavfilter/vf_lut.c View File

@@ -97,13 +97,13 @@ static const AVOption options[] = {


static av_cold void uninit(AVFilterContext *ctx) static av_cold void uninit(AVFilterContext *ctx)
{ {
LutContext *lut = ctx->priv;
LutContext *s = ctx->priv;
int i; int i;


for (i = 0; i < 4; i++) { for (i = 0; i < 4; i++) {
av_expr_free(lut->comp_expr[i]);
lut->comp_expr[i] = NULL;
av_freep(&lut->comp_expr_str[i]);
av_expr_free(s->comp_expr[i]);
s->comp_expr[i] = NULL;
av_freep(&s->comp_expr_str[i]);
} }
} }


@@ -125,10 +125,10 @@ static const enum AVPixelFormat all_pix_fmts[] = { RGB_FORMATS, YUV_FORMATS, AV_


static int query_formats(AVFilterContext *ctx) static int query_formats(AVFilterContext *ctx)
{ {
LutContext *lut = ctx->priv;
LutContext *s = ctx->priv;


const enum AVPixelFormat *pix_fmts = lut->is_rgb ? rgb_pix_fmts :
lut->is_yuv ? yuv_pix_fmts : all_pix_fmts;
const enum AVPixelFormat *pix_fmts = s->is_rgb ? rgb_pix_fmts :
s->is_yuv ? yuv_pix_fmts : all_pix_fmts;


ff_set_common_formats(ctx, ff_make_format_list(pix_fmts)); ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
return 0; return 0;
@@ -139,9 +139,9 @@ static int query_formats(AVFilterContext *ctx)
*/ */
static double clip(void *opaque, double val) static double clip(void *opaque, double val)
{ {
LutContext *lut = opaque;
double minval = lut->var_values[VAR_MINVAL];
double maxval = lut->var_values[VAR_MAXVAL];
LutContext *s = opaque;
double minval = s->var_values[VAR_MINVAL];
double maxval = s->var_values[VAR_MAXVAL];


return av_clip(val, minval, maxval); return av_clip(val, minval, maxval);
} }
@@ -152,10 +152,10 @@ static double clip(void *opaque, double val)
*/ */
static double compute_gammaval(void *opaque, double gamma) static double compute_gammaval(void *opaque, double gamma)
{ {
LutContext *lut = opaque;
double val = lut->var_values[VAR_CLIPVAL];
double minval = lut->var_values[VAR_MINVAL];
double maxval = lut->var_values[VAR_MAXVAL];
LutContext *s = opaque;
double val = s->var_values[VAR_CLIPVAL];
double minval = s->var_values[VAR_MINVAL];
double maxval = s->var_values[VAR_MAXVAL];


return pow((val-minval)/(maxval-minval), gamma) * (maxval-minval)+minval; return pow((val-minval)/(maxval-minval), gamma) * (maxval-minval)+minval;
} }
@@ -175,17 +175,17 @@ static const char * const funcs1_names[] = {
static int config_props(AVFilterLink *inlink) static int config_props(AVFilterLink *inlink)
{ {
AVFilterContext *ctx = inlink->dst; AVFilterContext *ctx = inlink->dst;
LutContext *lut = ctx->priv;
LutContext *s = ctx->priv;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
uint8_t rgba_map[4]; /* component index -> RGBA color index map */ uint8_t rgba_map[4]; /* component index -> RGBA color index map */
int min[4], max[4]; int min[4], max[4];
int val, color, ret; int val, color, ret;


lut->hsub = desc->log2_chroma_w;
lut->vsub = desc->log2_chroma_h;
s->hsub = desc->log2_chroma_w;
s->vsub = desc->log2_chroma_h;


lut->var_values[VAR_W] = inlink->w;
lut->var_values[VAR_H] = inlink->h;
s->var_values[VAR_W] = inlink->w;
s->var_values[VAR_H] = inlink->h;


switch (inlink->format) { switch (inlink->format) {
case AV_PIX_FMT_YUV410P: case AV_PIX_FMT_YUV410P:
@@ -207,49 +207,49 @@ static int config_props(AVFilterLink *inlink)
max[0] = max[1] = max[2] = max[3] = 255; max[0] = max[1] = max[2] = max[3] = 255;
} }


lut->is_yuv = lut->is_rgb = 0;
if (ff_fmt_is_in(inlink->format, yuv_pix_fmts)) lut->is_yuv = 1;
else if (ff_fmt_is_in(inlink->format, rgb_pix_fmts)) lut->is_rgb = 1;
s->is_yuv = s->is_rgb = 0;
if (ff_fmt_is_in(inlink->format, yuv_pix_fmts)) s->is_yuv = 1;
else if (ff_fmt_is_in(inlink->format, rgb_pix_fmts)) s->is_rgb = 1;


if (lut->is_rgb) {
if (s->is_rgb) {
ff_fill_rgba_map(rgba_map, inlink->format); ff_fill_rgba_map(rgba_map, inlink->format);
lut->step = av_get_bits_per_pixel(desc) >> 3;
s->step = av_get_bits_per_pixel(desc) >> 3;
} }


for (color = 0; color < desc->nb_components; color++) { for (color = 0; color < desc->nb_components; color++) {
double res; double res;
int comp = lut->is_rgb ? rgba_map[color] : color;
int comp = s->is_rgb ? rgba_map[color] : color;


/* create the parsed expression */ /* create the parsed expression */
ret = av_expr_parse(&lut->comp_expr[color], lut->comp_expr_str[color],
ret = av_expr_parse(&s->comp_expr[color], s->comp_expr_str[color],
var_names, funcs1_names, funcs1, NULL, NULL, 0, ctx); var_names, funcs1_names, funcs1, NULL, NULL, 0, ctx);
if (ret < 0) { if (ret < 0) {
av_log(ctx, AV_LOG_ERROR, av_log(ctx, AV_LOG_ERROR,
"Error when parsing the expression '%s' for the component %d and color %d.\n", "Error when parsing the expression '%s' for the component %d and color %d.\n",
lut->comp_expr_str[comp], comp, color);
s->comp_expr_str[comp], comp, color);
return AVERROR(EINVAL); return AVERROR(EINVAL);
} }


/* compute the lut */ /* compute the lut */
lut->var_values[VAR_MAXVAL] = max[color];
lut->var_values[VAR_MINVAL] = min[color];
s->var_values[VAR_MAXVAL] = max[color];
s->var_values[VAR_MINVAL] = min[color];


for (val = 0; val < 256; val++) { for (val = 0; val < 256; val++) {
lut->var_values[VAR_VAL] = val;
lut->var_values[VAR_CLIPVAL] = av_clip(val, min[color], max[color]);
lut->var_values[VAR_NEGVAL] =
av_clip(min[color] + max[color] - lut->var_values[VAR_VAL],
s->var_values[VAR_VAL] = val;
s->var_values[VAR_CLIPVAL] = av_clip(val, min[color], max[color]);
s->var_values[VAR_NEGVAL] =
av_clip(min[color] + max[color] - s->var_values[VAR_VAL],
min[color], max[color]); min[color], max[color]);


res = av_expr_eval(lut->comp_expr[color], lut->var_values, lut);
res = av_expr_eval(s->comp_expr[color], s->var_values, s);
if (isnan(res)) { if (isnan(res)) {
av_log(ctx, AV_LOG_ERROR, av_log(ctx, AV_LOG_ERROR,
"Error when evaluating the expression '%s' for the value %d for the component %d.\n", "Error when evaluating the expression '%s' for the value %d for the component %d.\n",
lut->comp_expr_str[color], val, comp);
s->comp_expr_str[color], val, comp);
return AVERROR(EINVAL); return AVERROR(EINVAL);
} }
lut->lut[comp][val] = av_clip((int)res, min[color], max[color]);
av_log(ctx, AV_LOG_DEBUG, "val[%d][%d] = %d\n", comp, val, lut->lut[comp][val]);
s->lut[comp][val] = av_clip((int)res, min[color], max[color]);
av_log(ctx, AV_LOG_DEBUG, "val[%d][%d] = %d\n", comp, val, s->lut[comp][val]);
} }
} }


@@ -259,7 +259,7 @@ static int config_props(AVFilterLink *inlink)
static int filter_frame(AVFilterLink *inlink, AVFrame *in) static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{ {
AVFilterContext *ctx = inlink->dst; AVFilterContext *ctx = inlink->dst;
LutContext *lut = ctx->priv;
LutContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0]; AVFilterLink *outlink = ctx->outputs[0];
AVFrame *out; AVFrame *out;
uint8_t *inrow, *outrow, *inrow0, *outrow0; uint8_t *inrow, *outrow, *inrow0, *outrow0;
@@ -277,25 +277,25 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
av_frame_copy_props(out, in); av_frame_copy_props(out, in);
} }


if (lut->is_rgb) {
if (s->is_rgb) {
/* packed */ /* packed */
inrow0 = in ->data[0]; inrow0 = in ->data[0];
outrow0 = out->data[0]; outrow0 = out->data[0];


for (i = 0; i < in->height; i ++) { for (i = 0; i < in->height; i ++) {
int w = inlink->w; int w = inlink->w;
const uint8_t (*tab)[256] = (const uint8_t (*)[256])lut->lut;
const uint8_t (*tab)[256] = (const uint8_t (*)[256])s->lut;
inrow = inrow0; inrow = inrow0;
outrow = outrow0; outrow = outrow0;
for (j = 0; j < w; j++) { for (j = 0; j < w; j++) {
switch (lut->step) {
switch (s->step) {
case 4: outrow[3] = tab[3][inrow[3]]; // Fall-through case 4: outrow[3] = tab[3][inrow[3]]; // Fall-through
case 3: outrow[2] = tab[2][inrow[2]]; // Fall-through case 3: outrow[2] = tab[2][inrow[2]]; // Fall-through
case 2: outrow[1] = tab[1][inrow[1]]; // Fall-through case 2: outrow[1] = tab[1][inrow[1]]; // Fall-through
default: outrow[0] = tab[0][inrow[0]]; default: outrow[0] = tab[0][inrow[0]];
} }
outrow += lut->step;
inrow += lut->step;
outrow += s->step;
inrow += s->step;
} }
inrow0 += in ->linesize[0]; inrow0 += in ->linesize[0];
outrow0 += out->linesize[0]; outrow0 += out->linesize[0];
@@ -303,8 +303,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
} else { } else {
/* planar */ /* planar */
for (plane = 0; plane < 4 && in->data[plane]; plane++) { for (plane = 0; plane < 4 && in->data[plane]; plane++) {
int vsub = plane == 1 || plane == 2 ? lut->vsub : 0;
int hsub = plane == 1 || plane == 2 ? lut->hsub : 0;
int vsub = plane == 1 || plane == 2 ? s->vsub : 0;
int hsub = plane == 1 || plane == 2 ? s->hsub : 0;
int h = FF_CEIL_RSHIFT(inlink->h, vsub); int h = FF_CEIL_RSHIFT(inlink->h, vsub);
int w = FF_CEIL_RSHIFT(inlink->w, hsub); int w = FF_CEIL_RSHIFT(inlink->w, hsub);


@@ -312,7 +312,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
outrow = out->data[plane]; outrow = out->data[plane];


for (i = 0; i < h; i++) { for (i = 0; i < h; i++) {
const uint8_t *tab = lut->lut[plane];
const uint8_t *tab = s->lut[plane];
for (j = 0; j < w; j++) for (j = 0; j < w; j++)
outrow[j] = tab[inrow[j]]; outrow[j] = tab[inrow[j]];
inrow += in ->linesize[plane]; inrow += in ->linesize[plane];
@@ -377,9 +377,9 @@ AVFILTER_DEFINE_CLASS(lutyuv);


static av_cold int lutyuv_init(AVFilterContext *ctx) static av_cold int lutyuv_init(AVFilterContext *ctx)
{ {
LutContext *lut = ctx->priv;
LutContext *s = ctx->priv;


lut->is_yuv = 1;
s->is_yuv = 1;


return 0; return 0;
} }
@@ -394,9 +394,9 @@ AVFILTER_DEFINE_CLASS(lutrgb);


static av_cold int lutrgb_init(AVFilterContext *ctx) static av_cold int lutrgb_init(AVFilterContext *ctx)
{ {
LutContext *lut = ctx->priv;
LutContext *s = ctx->priv;


lut->is_rgb = 1;
s->is_rgb = 1;


return 0; return 0;
} }
@@ -415,15 +415,15 @@ AVFILTER_DEFINE_CLASS(negate);


static av_cold int negate_init(AVFilterContext *ctx) static av_cold int negate_init(AVFilterContext *ctx)
{ {
LutContext *lut = ctx->priv;
LutContext *s = ctx->priv;
int i; int i;


av_log(ctx, AV_LOG_DEBUG, "negate_alpha:%d\n", lut->negate_alpha);
av_log(ctx, AV_LOG_DEBUG, "negate_alpha:%d\n", s->negate_alpha);


for (i = 0; i < 4; i++) { for (i = 0; i < 4; i++) {
lut->comp_expr_str[i] = av_strdup((i == 3 && !lut->negate_alpha) ?
s->comp_expr_str[i] = av_strdup((i == 3 && !s->negate_alpha) ?
"val" : "negval"); "val" : "negval");
if (!lut->comp_expr_str[i]) {
if (!s->comp_expr_str[i]) {
uninit(ctx); uninit(ctx);
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
} }


+ 104
- 104
libavfilter/vf_overlay.c View File

@@ -118,25 +118,25 @@ typedef struct {


static av_cold int init(AVFilterContext *ctx) static av_cold int init(AVFilterContext *ctx)
{ {
OverlayContext *over = ctx->priv;
OverlayContext *s = ctx->priv;


if (over->allow_packed_rgb) {
if (s->allow_packed_rgb) {
av_log(ctx, AV_LOG_WARNING, av_log(ctx, AV_LOG_WARNING,
"The rgb option is deprecated and is overriding the format option, use format instead\n"); "The rgb option is deprecated and is overriding the format option, use format instead\n");
over->format = OVERLAY_FORMAT_RGB;
s->format = OVERLAY_FORMAT_RGB;
} }
return 0; return 0;
} }


static av_cold void uninit(AVFilterContext *ctx) static av_cold void uninit(AVFilterContext *ctx)
{ {
OverlayContext *over = ctx->priv;
OverlayContext *s = ctx->priv;


av_frame_free(&over->overpicref);
ff_bufqueue_discard_all(&over->queue_main);
ff_bufqueue_discard_all(&over->queue_over);
av_expr_free(over->x_pexpr); over->x_pexpr = NULL;
av_expr_free(over->y_pexpr); over->y_pexpr = NULL;
av_frame_free(&s->overpicref);
ff_bufqueue_discard_all(&s->queue_main);
ff_bufqueue_discard_all(&s->queue_over);
av_expr_free(s->x_pexpr); s->x_pexpr = NULL;
av_expr_free(s->y_pexpr); s->y_pexpr = NULL;
} }


static inline int normalize_xy(double d, int chroma_sub) static inline int normalize_xy(double d, int chroma_sub)
@@ -148,13 +148,13 @@ static inline int normalize_xy(double d, int chroma_sub)


static void eval_expr(AVFilterContext *ctx) static void eval_expr(AVFilterContext *ctx)
{ {
OverlayContext *over = ctx->priv;
OverlayContext *s = ctx->priv;


over->var_values[VAR_X] = av_expr_eval(over->x_pexpr, over->var_values, NULL);
over->var_values[VAR_Y] = av_expr_eval(over->y_pexpr, over->var_values, NULL);
over->var_values[VAR_X] = av_expr_eval(over->x_pexpr, over->var_values, NULL);
over->x = normalize_xy(over->var_values[VAR_X], over->hsub);
over->y = normalize_xy(over->var_values[VAR_Y], over->vsub);
s->var_values[VAR_X] = av_expr_eval(s->x_pexpr, s->var_values, NULL);
s->var_values[VAR_Y] = av_expr_eval(s->y_pexpr, s->var_values, NULL);
s->var_values[VAR_X] = av_expr_eval(s->x_pexpr, s->var_values, NULL);
s->x = normalize_xy(s->var_values[VAR_X], s->hsub);
s->y = normalize_xy(s->var_values[VAR_Y], s->vsub);
} }


static int set_expr(AVExpr **pexpr, const char *expr, const char *option, void *log_ctx) static int set_expr(AVExpr **pexpr, const char *expr, const char *option, void *log_ctx)
@@ -181,31 +181,31 @@ static int set_expr(AVExpr **pexpr, const char *expr, const char *option, void *
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
char *res, int res_len, int flags) char *res, int res_len, int flags)
{ {
OverlayContext *over = ctx->priv;
OverlayContext *s = ctx->priv;
int ret; int ret;


if (!strcmp(cmd, "x")) if (!strcmp(cmd, "x"))
ret = set_expr(&over->x_pexpr, args, cmd, ctx);
ret = set_expr(&s->x_pexpr, args, cmd, ctx);
else if (!strcmp(cmd, "y")) else if (!strcmp(cmd, "y"))
ret = set_expr(&over->y_pexpr, args, cmd, ctx);
ret = set_expr(&s->y_pexpr, args, cmd, ctx);
else else
ret = AVERROR(ENOSYS); ret = AVERROR(ENOSYS);


if (ret < 0) if (ret < 0)
return ret; return ret;


if (over->eval_mode == EVAL_MODE_INIT) {
if (s->eval_mode == EVAL_MODE_INIT) {
eval_expr(ctx); eval_expr(ctx);
av_log(ctx, AV_LOG_VERBOSE, "x:%f xi:%d y:%f yi:%d\n", av_log(ctx, AV_LOG_VERBOSE, "x:%f xi:%d y:%f yi:%d\n",
over->var_values[VAR_X], over->x,
over->var_values[VAR_Y], over->y);
s->var_values[VAR_X], s->x,
s->var_values[VAR_Y], s->y);
} }
return ret; return ret;
} }


static int query_formats(AVFilterContext *ctx) static int query_formats(AVFilterContext *ctx)
{ {
OverlayContext *over = ctx->priv;
OverlayContext *s = ctx->priv;


/* overlay formats contains alpha, for avoiding conversion with alpha information loss */ /* overlay formats contains alpha, for avoiding conversion with alpha information loss */
static const enum AVPixelFormat main_pix_fmts_yuv420[] = { static const enum AVPixelFormat main_pix_fmts_yuv420[] = {
@@ -237,7 +237,7 @@ static int query_formats(AVFilterContext *ctx)
AVFilterFormats *main_formats; AVFilterFormats *main_formats;
AVFilterFormats *overlay_formats; AVFilterFormats *overlay_formats;


switch (over->format) {
switch (s->format) {
case OVERLAY_FORMAT_YUV420: case OVERLAY_FORMAT_YUV420:
main_formats = ff_make_format_list(main_pix_fmts_yuv420); main_formats = ff_make_format_list(main_pix_fmts_yuv420);
overlay_formats = ff_make_format_list(overlay_pix_fmts_yuv420); overlay_formats = ff_make_format_list(overlay_pix_fmts_yuv420);
@@ -269,56 +269,56 @@ static const enum AVPixelFormat alpha_pix_fmts[] = {


static int config_input_main(AVFilterLink *inlink) static int config_input_main(AVFilterLink *inlink)
{ {
OverlayContext *over = inlink->dst->priv;
OverlayContext *s = inlink->dst->priv;
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format); const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);


av_image_fill_max_pixsteps(over->main_pix_step, NULL, pix_desc);
av_image_fill_max_pixsteps(s->main_pix_step, NULL, pix_desc);


over->hsub = pix_desc->log2_chroma_w;
over->vsub = pix_desc->log2_chroma_h;
s->hsub = pix_desc->log2_chroma_w;
s->vsub = pix_desc->log2_chroma_h;


over->main_is_packed_rgb =
ff_fill_rgba_map(over->main_rgba_map, inlink->format) >= 0;
over->main_has_alpha = ff_fmt_is_in(inlink->format, alpha_pix_fmts);
s->main_is_packed_rgb =
ff_fill_rgba_map(s->main_rgba_map, inlink->format) >= 0;
s->main_has_alpha = ff_fmt_is_in(inlink->format, alpha_pix_fmts);
return 0; return 0;
} }


static int config_input_overlay(AVFilterLink *inlink) static int config_input_overlay(AVFilterLink *inlink)
{ {
AVFilterContext *ctx = inlink->dst; AVFilterContext *ctx = inlink->dst;
OverlayContext *over = inlink->dst->priv;
OverlayContext *s = inlink->dst->priv;
int ret; int ret;
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format); const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);


av_image_fill_max_pixsteps(over->overlay_pix_step, NULL, pix_desc);
av_image_fill_max_pixsteps(s->overlay_pix_step, NULL, pix_desc);


/* Finish the configuration by evaluating the expressions /* Finish the configuration by evaluating the expressions
now when both inputs are configured. */ now when both inputs are configured. */
over->var_values[VAR_MAIN_W ] = over->var_values[VAR_MW] = ctx->inputs[MAIN ]->w;
over->var_values[VAR_MAIN_H ] = over->var_values[VAR_MH] = ctx->inputs[MAIN ]->h;
over->var_values[VAR_OVERLAY_W] = over->var_values[VAR_OW] = ctx->inputs[OVERLAY]->w;
over->var_values[VAR_OVERLAY_H] = over->var_values[VAR_OH] = ctx->inputs[OVERLAY]->h;
over->var_values[VAR_HSUB] = 1<<pix_desc->log2_chroma_w;
over->var_values[VAR_VSUB] = 1<<pix_desc->log2_chroma_h;
over->var_values[VAR_X] = NAN;
over->var_values[VAR_Y] = NAN;
over->var_values[VAR_N] = 0;
over->var_values[VAR_T] = NAN;
over->var_values[VAR_POS] = NAN;
if ((ret = set_expr(&over->x_pexpr, over->x_expr, "x", ctx)) < 0 ||
(ret = set_expr(&over->y_pexpr, over->y_expr, "y", ctx)) < 0)
s->var_values[VAR_MAIN_W ] = s->var_values[VAR_MW] = ctx->inputs[MAIN ]->w;
s->var_values[VAR_MAIN_H ] = s->var_values[VAR_MH] = ctx->inputs[MAIN ]->h;
s->var_values[VAR_OVERLAY_W] = s->var_values[VAR_OW] = ctx->inputs[OVERLAY]->w;
s->var_values[VAR_OVERLAY_H] = s->var_values[VAR_OH] = ctx->inputs[OVERLAY]->h;
s->var_values[VAR_HSUB] = 1<<pix_desc->log2_chroma_w;
s->var_values[VAR_VSUB] = 1<<pix_desc->log2_chroma_h;
s->var_values[VAR_X] = NAN;
s->var_values[VAR_Y] = NAN;
s->var_values[VAR_N] = 0;
s->var_values[VAR_T] = NAN;
s->var_values[VAR_POS] = NAN;
if ((ret = set_expr(&s->x_pexpr, s->x_expr, "x", ctx)) < 0 ||
(ret = set_expr(&s->y_pexpr, s->y_expr, "y", ctx)) < 0)
return ret; return ret;


over->overlay_is_packed_rgb =
ff_fill_rgba_map(over->overlay_rgba_map, inlink->format) >= 0;
over->overlay_has_alpha = ff_fmt_is_in(inlink->format, alpha_pix_fmts);
s->overlay_is_packed_rgb =
ff_fill_rgba_map(s->overlay_rgba_map, inlink->format) >= 0;
s->overlay_has_alpha = ff_fmt_is_in(inlink->format, alpha_pix_fmts);


if (over->eval_mode == EVAL_MODE_INIT) {
if (s->eval_mode == EVAL_MODE_INIT) {
eval_expr(ctx); eval_expr(ctx);
av_log(ctx, AV_LOG_VERBOSE, "x:%f xi:%d y:%f yi:%d\n", av_log(ctx, AV_LOG_VERBOSE, "x:%f xi:%d y:%f yi:%d\n",
over->var_values[VAR_X], over->x,
over->var_values[VAR_Y], over->y);
s->var_values[VAR_X], s->x,
s->var_values[VAR_Y], s->y);
} }


av_log(ctx, AV_LOG_VERBOSE, av_log(ctx, AV_LOG_VERBOSE,
@@ -358,7 +358,7 @@ static void blend_image(AVFilterContext *ctx,
AVFrame *dst, AVFrame *src, AVFrame *dst, AVFrame *src,
int x, int y) int x, int y)
{ {
OverlayContext *over = ctx->priv;
OverlayContext *s = ctx->priv;
int i, imax, j, jmax, k, kmax; int i, imax, j, jmax, k, kmax;
const int src_w = src->width; const int src_w = src->width;
const int src_h = src->height; const int src_h = src->height;
@@ -369,19 +369,19 @@ static void blend_image(AVFilterContext *ctx,
y >= dst_h || y+dst_h < 0) y >= dst_h || y+dst_h < 0)
return; /* no intersection */ return; /* no intersection */


if (over->main_is_packed_rgb) {
if (s->main_is_packed_rgb) {
uint8_t alpha; ///< the amount of overlay to blend on to main uint8_t alpha; ///< the amount of overlay to blend on to main
const int dr = over->main_rgba_map[R];
const int dg = over->main_rgba_map[G];
const int db = over->main_rgba_map[B];
const int da = over->main_rgba_map[A];
const int dstep = over->main_pix_step[0];
const int sr = over->overlay_rgba_map[R];
const int sg = over->overlay_rgba_map[G];
const int sb = over->overlay_rgba_map[B];
const int sa = over->overlay_rgba_map[A];
const int sstep = over->overlay_pix_step[0];
const int main_has_alpha = over->main_has_alpha;
const int dr = s->main_rgba_map[R];
const int dg = s->main_rgba_map[G];
const int db = s->main_rgba_map[B];
const int da = s->main_rgba_map[A];
const int dstep = s->main_pix_step[0];
const int sr = s->overlay_rgba_map[R];
const int sg = s->overlay_rgba_map[G];
const int sb = s->overlay_rgba_map[B];
const int sa = s->overlay_rgba_map[A];
const int sstep = s->overlay_pix_step[0];
const int main_has_alpha = s->main_has_alpha;
uint8_t *s, *sp, *d, *dp; uint8_t *s, *sp, *d, *dp;


i = FFMAX(-y, 0); i = FFMAX(-y, 0);
@@ -437,7 +437,7 @@ static void blend_image(AVFilterContext *ctx,
sp += src->linesize[0]; sp += src->linesize[0];
} }
} else { } else {
const int main_has_alpha = over->main_has_alpha;
const int main_has_alpha = s->main_has_alpha;
if (main_has_alpha) { if (main_has_alpha) {
uint8_t alpha; ///< the amount of overlay to blend on to main uint8_t alpha; ///< the amount of overlay to blend on to main
uint8_t *s, *sa, *d, *da; uint8_t *s, *sa, *d, *da;
@@ -475,8 +475,8 @@ static void blend_image(AVFilterContext *ctx,
} }
} }
for (i = 0; i < 3; i++) { for (i = 0; i < 3; i++) {
int hsub = i ? over->hsub : 0;
int vsub = i ? over->vsub : 0;
int hsub = i ? s->hsub : 0;
int vsub = i ? s->vsub : 0;
int src_wp = FF_CEIL_RSHIFT(src_w, hsub); int src_wp = FF_CEIL_RSHIFT(src_w, hsub);
int src_hp = FF_CEIL_RSHIFT(src_h, vsub); int src_hp = FF_CEIL_RSHIFT(src_h, vsub);
int dst_wp = FF_CEIL_RSHIFT(dst_w, hsub); int dst_wp = FF_CEIL_RSHIFT(dst_w, hsub);
@@ -544,7 +544,7 @@ static void blend_image(AVFilterContext *ctx,


static int try_filter_frame(AVFilterContext *ctx, AVFrame *mainpic) static int try_filter_frame(AVFilterContext *ctx, AVFrame *mainpic)
{ {
OverlayContext *over = ctx->priv;
OverlayContext *s = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0]; AVFilterLink *inlink = ctx->inputs[0];
AVFrame *next_overpic; AVFrame *next_overpic;
int ret; int ret;
@@ -552,23 +552,23 @@ static int try_filter_frame(AVFilterContext *ctx, AVFrame *mainpic)
/* Discard obsolete overlay frames: if there is a next overlay frame with pts /* Discard obsolete overlay frames: if there is a next overlay frame with pts
* before the main frame, we can drop the current overlay. */ * before the main frame, we can drop the current overlay. */
while (1) { while (1) {
next_overpic = ff_bufqueue_peek(&over->queue_over, 0);
if (!next_overpic && over->overlay_eof && !over->repeatlast) {
av_frame_free(&over->overpicref);
next_overpic = ff_bufqueue_peek(&s->queue_over, 0);
if (!next_overpic && s->overlay_eof && !s->repeatlast) {
av_frame_free(&s->overpicref);
break; break;
} }
if (!next_overpic || av_compare_ts(next_overpic->pts, ctx->inputs[OVERLAY]->time_base, if (!next_overpic || av_compare_ts(next_overpic->pts, ctx->inputs[OVERLAY]->time_base,
mainpic->pts , ctx->inputs[MAIN]->time_base) > 0) mainpic->pts , ctx->inputs[MAIN]->time_base) > 0)
break; break;
ff_bufqueue_get(&over->queue_over);
av_frame_free(&over->overpicref);
over->overpicref = next_overpic;
ff_bufqueue_get(&s->queue_over);
av_frame_free(&s->overpicref);
s->overpicref = next_overpic;
} }


/* If there is no next frame and no EOF and the overlay frame is before /* If there is no next frame and no EOF and the overlay frame is before
* the main frame, we can not know yet if it will be superseded. */ * the main frame, we can not know yet if it will be superseded. */
if (!over->queue_over.available && !over->overlay_eof &&
(!over->overpicref || av_compare_ts(over->overpicref->pts, ctx->inputs[OVERLAY]->time_base,
if (!s->queue_over.available && !s->overlay_eof &&
(!s->overpicref || av_compare_ts(s->overpicref->pts, ctx->inputs[OVERLAY]->time_base,
mainpic->pts , ctx->inputs[MAIN]->time_base) < 0)) mainpic->pts , ctx->inputs[MAIN]->time_base) < 0))
return AVERROR(EAGAIN); return AVERROR(EAGAIN);


@@ -576,47 +576,47 @@ static int try_filter_frame(AVFilterContext *ctx, AVFrame *mainpic)
* time of the main frame. */ * time of the main frame. */
av_dlog(ctx, "main_pts:%s main_pts_time:%s", av_dlog(ctx, "main_pts:%s main_pts_time:%s",
av_ts2str(mainpic->pts), av_ts2timestr(mainpic->pts, &ctx->inputs[MAIN]->time_base)); av_ts2str(mainpic->pts), av_ts2timestr(mainpic->pts, &ctx->inputs[MAIN]->time_base));
if (over->overpicref)
if (s->overpicref)
av_dlog(ctx, " over_pts:%s over_pts_time:%s", av_dlog(ctx, " over_pts:%s over_pts_time:%s",
av_ts2str(over->overpicref->pts), av_ts2timestr(over->overpicref->pts, &ctx->inputs[OVERLAY]->time_base));
av_ts2str(s->overpicref->pts), av_ts2timestr(s->overpicref->pts, &ctx->inputs[OVERLAY]->time_base));
av_dlog(ctx, "\n"); av_dlog(ctx, "\n");


if (over->overpicref) {
if (over->eval_mode == EVAL_MODE_FRAME) {
if (s->overpicref) {
if (s->eval_mode == EVAL_MODE_FRAME) {
int64_t pos = av_frame_get_pkt_pos(mainpic); int64_t pos = av_frame_get_pkt_pos(mainpic);


over->var_values[VAR_N] = inlink->frame_count;
over->var_values[VAR_T] = mainpic->pts == AV_NOPTS_VALUE ?
s->var_values[VAR_N] = inlink->frame_count;
s->var_values[VAR_T] = mainpic->pts == AV_NOPTS_VALUE ?
NAN : mainpic->pts * av_q2d(inlink->time_base); NAN : mainpic->pts * av_q2d(inlink->time_base);
over->var_values[VAR_POS] = pos == -1 ? NAN : pos;
s->var_values[VAR_POS] = pos == -1 ? NAN : pos;


eval_expr(ctx); eval_expr(ctx);
av_log(ctx, AV_LOG_DEBUG, "n:%f t:%f pos:%f x:%f xi:%d y:%f yi:%d\n", av_log(ctx, AV_LOG_DEBUG, "n:%f t:%f pos:%f x:%f xi:%d y:%f yi:%d\n",
over->var_values[VAR_N], over->var_values[VAR_T], over->var_values[VAR_POS],
over->var_values[VAR_X], over->x,
over->var_values[VAR_Y], over->y);
s->var_values[VAR_N], s->var_values[VAR_T], s->var_values[VAR_POS],
s->var_values[VAR_X], s->x,
s->var_values[VAR_Y], s->y);
} }
if (!ctx->is_disabled) if (!ctx->is_disabled)
blend_image(ctx, mainpic, over->overpicref, over->x, over->y);
blend_image(ctx, mainpic, s->overpicref, s->x, s->y);


} }
ret = ff_filter_frame(ctx->outputs[0], mainpic); ret = ff_filter_frame(ctx->outputs[0], mainpic);
av_assert1(ret != AVERROR(EAGAIN)); av_assert1(ret != AVERROR(EAGAIN));
over->frame_requested = 0;
s->frame_requested = 0;
return ret; return ret;
} }


static int try_filter_next_frame(AVFilterContext *ctx) static int try_filter_next_frame(AVFilterContext *ctx)
{ {
OverlayContext *over = ctx->priv;
AVFrame *next_mainpic = ff_bufqueue_peek(&over->queue_main, 0);
OverlayContext *s = ctx->priv;
AVFrame *next_mainpic = ff_bufqueue_peek(&s->queue_main, 0);
int ret; int ret;


if (!next_mainpic) if (!next_mainpic)
return AVERROR(EAGAIN); return AVERROR(EAGAIN);
if ((ret = try_filter_frame(ctx, next_mainpic)) == AVERROR(EAGAIN)) if ((ret = try_filter_frame(ctx, next_mainpic)) == AVERROR(EAGAIN))
return ret; return ret;
ff_bufqueue_get(&over->queue_main);
ff_bufqueue_get(&s->queue_main);
return ret; return ret;
} }


@@ -631,7 +631,7 @@ static int flush_frames(AVFilterContext *ctx)
static int filter_frame_main(AVFilterLink *inlink, AVFrame *inpicref) static int filter_frame_main(AVFilterLink *inlink, AVFrame *inpicref)
{ {
AVFilterContext *ctx = inlink->dst; AVFilterContext *ctx = inlink->dst;
OverlayContext *over = ctx->priv;
OverlayContext *s = ctx->priv;
int ret; int ret;


if ((ret = flush_frames(ctx)) < 0) if ((ret = flush_frames(ctx)) < 0)
@@ -639,10 +639,10 @@ static int filter_frame_main(AVFilterLink *inlink, AVFrame *inpicref)
if ((ret = try_filter_frame(ctx, inpicref)) < 0) { if ((ret = try_filter_frame(ctx, inpicref)) < 0) {
if (ret != AVERROR(EAGAIN)) if (ret != AVERROR(EAGAIN))
return ret; return ret;
ff_bufqueue_add(ctx, &over->queue_main, inpicref);
ff_bufqueue_add(ctx, &s->queue_main, inpicref);
} }


if (!over->overpicref)
if (!s->overpicref)
return 0; return 0;
flush_frames(ctx); flush_frames(ctx);


@@ -652,12 +652,12 @@ static int filter_frame_main(AVFilterLink *inlink, AVFrame *inpicref)
static int filter_frame_over(AVFilterLink *inlink, AVFrame *inpicref) static int filter_frame_over(AVFilterLink *inlink, AVFrame *inpicref)
{ {
AVFilterContext *ctx = inlink->dst; AVFilterContext *ctx = inlink->dst;
OverlayContext *over = ctx->priv;
OverlayContext *s = ctx->priv;
int ret; int ret;


if ((ret = flush_frames(ctx)) < 0) if ((ret = flush_frames(ctx)) < 0)
return ret; return ret;
ff_bufqueue_add(ctx, &over->queue_over, inpicref);
ff_bufqueue_add(ctx, &s->queue_over, inpicref);
ret = try_filter_next_frame(ctx); ret = try_filter_next_frame(ctx);
return ret == AVERROR(EAGAIN) ? 0 : ret; return ret == AVERROR(EAGAIN) ? 0 : ret;
} }
@@ -665,22 +665,22 @@ static int filter_frame_over(AVFilterLink *inlink, AVFrame *inpicref)
static int request_frame(AVFilterLink *outlink) static int request_frame(AVFilterLink *outlink)
{ {
AVFilterContext *ctx = outlink->src; AVFilterContext *ctx = outlink->src;
OverlayContext *over = ctx->priv;
OverlayContext *s = ctx->priv;
int input, ret; int input, ret;


if (!try_filter_next_frame(ctx)) if (!try_filter_next_frame(ctx))
return 0; return 0;
over->frame_requested = 1;
while (over->frame_requested) {
s->frame_requested = 1;
while (s->frame_requested) {
/* TODO if we had a frame duration, we could guess more accurately */ /* TODO if we had a frame duration, we could guess more accurately */
input = !over->overlay_eof && (over->queue_main.available ||
over->queue_over.available < 2) ?
input = !s->overlay_eof && (s->queue_main.available ||
s->queue_over.available < 2) ?
OVERLAY : MAIN; OVERLAY : MAIN;
ret = ff_request_frame(ctx->inputs[input]); ret = ff_request_frame(ctx->inputs[input]);
/* EOF on main is reported immediately */ /* EOF on main is reported immediately */
if (ret == AVERROR_EOF && input == OVERLAY) { if (ret == AVERROR_EOF && input == OVERLAY) {
over->overlay_eof = 1;
if (over->shortest)
s->overlay_eof = 1;
if (s->shortest)
return ret; return ret;
if ((ret = try_filter_next_frame(ctx)) != AVERROR(EAGAIN)) if ((ret = try_filter_next_frame(ctx)) != AVERROR(EAGAIN))
return ret; return ret;


+ 69
- 69
libavfilter/vf_pad.c View File

@@ -96,9 +96,9 @@ typedef struct {


static av_cold int init(AVFilterContext *ctx) static av_cold int init(AVFilterContext *ctx)
{ {
PadContext *pad = ctx->priv;
PadContext *s = ctx->priv;


if (av_parse_color(pad->rgba_color, pad->color_str, -1, ctx) < 0)
if (av_parse_color(s->rgba_color, s->color_str, -1, ctx) < 0)
return AVERROR(EINVAL); return AVERROR(EINVAL);


return 0; return 0;
@@ -107,13 +107,13 @@ static av_cold int init(AVFilterContext *ctx)
static int config_input(AVFilterLink *inlink) static int config_input(AVFilterLink *inlink)
{ {
AVFilterContext *ctx = inlink->dst; AVFilterContext *ctx = inlink->dst;
PadContext *pad = ctx->priv;
PadContext *s = ctx->priv;
int ret; int ret;
double var_values[VARS_NB], res; double var_values[VARS_NB], res;
char *expr; char *expr;


ff_draw_init(&pad->draw, inlink->format, 0);
ff_draw_color(&pad->draw, &pad->color, pad->rgba_color);
ff_draw_init(&s->draw, inlink->format, 0);
ff_draw_color(&s->draw, &s->color, s->rgba_color);


var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w; var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w;
var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h; var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;
@@ -123,72 +123,72 @@ static int config_input(AVFilterLink *inlink)
var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ? var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ?
(double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1; (double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
var_values[VAR_DAR] = var_values[VAR_A] * var_values[VAR_SAR]; var_values[VAR_DAR] = var_values[VAR_A] * var_values[VAR_SAR];
var_values[VAR_HSUB] = 1 << pad->draw.hsub_max;
var_values[VAR_VSUB] = 1 << pad->draw.vsub_max;
var_values[VAR_HSUB] = 1 << s->draw.hsub_max;
var_values[VAR_VSUB] = 1 << s->draw.vsub_max;


/* evaluate width and height */ /* evaluate width and height */
av_expr_parse_and_eval(&res, (expr = pad->w_expr),
av_expr_parse_and_eval(&res, (expr = s->w_expr),
var_names, var_values, var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx); NULL, NULL, NULL, NULL, NULL, 0, ctx);
pad->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = pad->h_expr),
s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = s->h_expr),
var_names, var_values, var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0) NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto eval_fail; goto eval_fail;
pad->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res;
s->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res;
/* evaluate the width again, as it may depend on the evaluated output height */ /* evaluate the width again, as it may depend on the evaluated output height */
if ((ret = av_expr_parse_and_eval(&res, (expr = pad->w_expr),
if ((ret = av_expr_parse_and_eval(&res, (expr = s->w_expr),
var_names, var_values, var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0) NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto eval_fail; goto eval_fail;
pad->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;


/* evaluate x and y */ /* evaluate x and y */
av_expr_parse_and_eval(&res, (expr = pad->x_expr),
av_expr_parse_and_eval(&res, (expr = s->x_expr),
var_names, var_values, var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx); NULL, NULL, NULL, NULL, NULL, 0, ctx);
pad->x = var_values[VAR_X] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = pad->y_expr),
s->x = var_values[VAR_X] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = s->y_expr),
var_names, var_values, var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0) NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto eval_fail; goto eval_fail;
pad->y = var_values[VAR_Y] = res;
s->y = var_values[VAR_Y] = res;
/* evaluate x again, as it may depend on the evaluated y value */ /* evaluate x again, as it may depend on the evaluated y value */
if ((ret = av_expr_parse_and_eval(&res, (expr = pad->x_expr),
if ((ret = av_expr_parse_and_eval(&res, (expr = s->x_expr),
var_names, var_values, var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0) NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto eval_fail; goto eval_fail;
pad->x = var_values[VAR_X] = res;
s->x = var_values[VAR_X] = res;


/* sanity check params */ /* sanity check params */
if (pad->w < 0 || pad->h < 0 || pad->x < 0 || pad->y < 0) {
if (s->w < 0 || s->h < 0 || s->x < 0 || s->y < 0) {
av_log(ctx, AV_LOG_ERROR, "Negative values are not acceptable.\n"); av_log(ctx, AV_LOG_ERROR, "Negative values are not acceptable.\n");
return AVERROR(EINVAL); return AVERROR(EINVAL);
} }


if (!pad->w)
pad->w = inlink->w;
if (!pad->h)
pad->h = inlink->h;
if (!s->w)
s->w = inlink->w;
if (!s->h)
s->h = inlink->h;


pad->w = ff_draw_round_to_sub(&pad->draw, 0, -1, pad->w);
pad->h = ff_draw_round_to_sub(&pad->draw, 1, -1, pad->h);
pad->x = ff_draw_round_to_sub(&pad->draw, 0, -1, pad->x);
pad->y = ff_draw_round_to_sub(&pad->draw, 1, -1, pad->y);
pad->in_w = ff_draw_round_to_sub(&pad->draw, 0, -1, inlink->w);
pad->in_h = ff_draw_round_to_sub(&pad->draw, 1, -1, inlink->h);
s->w = ff_draw_round_to_sub(&s->draw, 0, -1, s->w);
s->h = ff_draw_round_to_sub(&s->draw, 1, -1, s->h);
s->x = ff_draw_round_to_sub(&s->draw, 0, -1, s->x);
s->y = ff_draw_round_to_sub(&s->draw, 1, -1, s->y);
s->in_w = ff_draw_round_to_sub(&s->draw, 0, -1, inlink->w);
s->in_h = ff_draw_round_to_sub(&s->draw, 1, -1, inlink->h);


av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d x:%d y:%d color:0x%02X%02X%02X%02X\n", av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d x:%d y:%d color:0x%02X%02X%02X%02X\n",
inlink->w, inlink->h, pad->w, pad->h, pad->x, pad->y,
pad->rgba_color[0], pad->rgba_color[1], pad->rgba_color[2], pad->rgba_color[3]);
inlink->w, inlink->h, s->w, s->h, s->x, s->y,
s->rgba_color[0], s->rgba_color[1], s->rgba_color[2], s->rgba_color[3]);


if (pad->x < 0 || pad->y < 0 ||
pad->w <= 0 || pad->h <= 0 ||
(unsigned)pad->x + (unsigned)inlink->w > pad->w ||
(unsigned)pad->y + (unsigned)inlink->h > pad->h) {
if (s->x < 0 || s->y < 0 ||
s->w <= 0 || s->h <= 0 ||
(unsigned)s->x + (unsigned)inlink->w > s->w ||
(unsigned)s->y + (unsigned)inlink->h > s->h) {
av_log(ctx, AV_LOG_ERROR, av_log(ctx, AV_LOG_ERROR,
"Input area %d:%d:%d:%d not within the padded area 0:0:%d:%d or zero-sized\n", "Input area %d:%d:%d:%d not within the padded area 0:0:%d:%d or zero-sized\n",
pad->x, pad->y, pad->x + inlink->w, pad->y + inlink->h, pad->w, pad->h);
s->x, s->y, s->x + inlink->w, s->y + inlink->h, s->w, s->h);
return AVERROR(EINVAL); return AVERROR(EINVAL);
} }


@@ -203,20 +203,20 @@ eval_fail:


static int config_output(AVFilterLink *outlink) static int config_output(AVFilterLink *outlink)
{ {
PadContext *pad = outlink->src->priv;
PadContext *s = outlink->src->priv;


outlink->w = pad->w;
outlink->h = pad->h;
outlink->w = s->w;
outlink->h = s->h;
return 0; return 0;
} }


static AVFrame *get_video_buffer(AVFilterLink *inlink, int w, int h) static AVFrame *get_video_buffer(AVFilterLink *inlink, int w, int h)
{ {
PadContext *pad = inlink->dst->priv;
PadContext *s = inlink->dst->priv;


AVFrame *frame = ff_get_video_buffer(inlink->dst->outputs[0], AVFrame *frame = ff_get_video_buffer(inlink->dst->outputs[0],
w + (pad->w - pad->in_w),
h + (pad->h - pad->in_h));
w + (s->w - s->in_w),
h + (s->h - s->in_h));
int plane; int plane;


if (!frame) if (!frame)
@@ -226,10 +226,10 @@ static AVFrame *get_video_buffer(AVFilterLink *inlink, int w, int h)
frame->height = h; frame->height = h;


for (plane = 0; plane < 4 && frame->data[plane]; plane++) { for (plane = 0; plane < 4 && frame->data[plane]; plane++) {
int hsub = pad->draw.hsub[plane];
int vsub = pad->draw.vsub[plane];
frame->data[plane] += (pad->x >> hsub) * pad->draw.pixelstep[plane] +
(pad->y >> vsub) * frame->linesize[plane];
int hsub = s->draw.hsub[plane];
int vsub = s->draw.vsub[plane];
frame->data[plane] += (s->x >> hsub) * s->draw.pixelstep[plane] +
(s->y >> vsub) * frame->linesize[plane];
} }


return frame; return frame;
@@ -304,15 +304,15 @@ static int frame_needs_copy(PadContext *s, AVFrame *frame)


static int filter_frame(AVFilterLink *inlink, AVFrame *in) static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{ {
PadContext *pad = inlink->dst->priv;
PadContext *s = inlink->dst->priv;
AVFrame *out; AVFrame *out;
int needs_copy = frame_needs_copy(pad, in);
int needs_copy = frame_needs_copy(s, in);


if (needs_copy) { if (needs_copy) {
av_log(inlink->dst, AV_LOG_DEBUG, "Direct padding impossible allocating new frame\n"); av_log(inlink->dst, AV_LOG_DEBUG, "Direct padding impossible allocating new frame\n");
out = ff_get_video_buffer(inlink->dst->outputs[0], out = ff_get_video_buffer(inlink->dst->outputs[0],
FFMAX(inlink->w, pad->w),
FFMAX(inlink->h, pad->h));
FFMAX(inlink->w, s->w),
FFMAX(inlink->h, s->h));
if (!out) { if (!out) {
av_frame_free(&in); av_frame_free(&in);
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
@@ -324,44 +324,44 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)


out = in; out = in;
for (i = 0; i < 4 && out->data[i]; i++) { for (i = 0; i < 4 && out->data[i]; i++) {
int hsub = pad->draw.hsub[i];
int vsub = pad->draw.vsub[i];
out->data[i] -= (pad->x >> hsub) * pad->draw.pixelstep[i] +
(pad->y >> vsub) * out->linesize[i];
int hsub = s->draw.hsub[i];
int vsub = s->draw.vsub[i];
out->data[i] -= (s->x >> hsub) * s->draw.pixelstep[i] +
(s->y >> vsub) * out->linesize[i];
} }
} }


/* top bar */ /* top bar */
if (pad->y) {
ff_fill_rectangle(&pad->draw, &pad->color,
if (s->y) {
ff_fill_rectangle(&s->draw, &s->color,
out->data, out->linesize, out->data, out->linesize,
0, 0, pad->w, pad->y);
0, 0, s->w, s->y);
} }


/* bottom bar */ /* bottom bar */
if (pad->h > pad->y + pad->in_h) {
ff_fill_rectangle(&pad->draw, &pad->color,
if (s->h > s->y + s->in_h) {
ff_fill_rectangle(&s->draw, &s->color,
out->data, out->linesize, out->data, out->linesize,
0, pad->y + pad->in_h, pad->w, pad->h - pad->y - pad->in_h);
0, s->y + s->in_h, s->w, s->h - s->y - s->in_h);
} }


/* left border */ /* left border */
ff_fill_rectangle(&pad->draw, &pad->color, out->data, out->linesize,
0, pad->y, pad->x, in->height);
ff_fill_rectangle(&s->draw, &s->color, out->data, out->linesize,
0, s->y, s->x, in->height);


if (needs_copy) { if (needs_copy) {
ff_copy_rectangle2(&pad->draw,
ff_copy_rectangle2(&s->draw,
out->data, out->linesize, in->data, in->linesize, out->data, out->linesize, in->data, in->linesize,
pad->x, pad->y, 0, 0, in->width, in->height);
s->x, s->y, 0, 0, in->width, in->height);
} }


/* right border */ /* right border */
ff_fill_rectangle(&pad->draw, &pad->color, out->data, out->linesize,
pad->x + pad->in_w, pad->y, pad->w - pad->x - pad->in_w,
ff_fill_rectangle(&s->draw, &s->color, out->data, out->linesize,
s->x + s->in_w, s->y, s->w - s->x - s->in_w,
in->height); in->height);


out->width = pad->w;
out->height = pad->h;
out->width = s->w;
out->height = s->h;


if (in != out) if (in != out)
av_frame_free(&in); av_frame_free(&in);


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