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vf_pad: port to new drawutils API.

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This commit is contained in:
Nicolas George 2012-03-12 19:39:59 +01:00
parent 8ec0832743
commit 53b7a3fe08
2 changed files with 46 additions and 81 deletions
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121
libavfilter/vf_pad.c
View File

@ -67,22 +67,7 @@ enum var_name {
static int query_formats(AVFilterContext *ctx)
{
static const enum PixelFormat pix_fmts[] = {
PIX_FMT_ARGB, PIX_FMT_RGBA,
PIX_FMT_ABGR, PIX_FMT_BGRA,
PIX_FMT_RGB24, PIX_FMT_BGR24,
PIX_FMT_YUV444P, PIX_FMT_YUV422P,
PIX_FMT_YUV420P, PIX_FMT_YUV411P,
PIX_FMT_YUV410P, PIX_FMT_YUV440P,
PIX_FMT_YUVJ444P, PIX_FMT_YUVJ422P,
PIX_FMT_YUVJ420P, PIX_FMT_YUVJ440P,
PIX_FMT_YUVA420P,
PIX_FMT_NONE
};
avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(pix_fmts));
avfilter_set_common_pixel_formats(ctx, ff_draw_supported_pixel_formats(0));
return 0;
}
@ -96,10 +81,9 @@ typedef struct {
char x_expr[256]; ///< width expression string
char y_expr[256]; ///< height expression string
uint8_t color[4]; ///< color expressed either in YUVA or RGBA colorspace for the padding area
uint8_t *line[4];
int line_step[4];
int hsub, vsub; ///< chroma subsampling values
uint8_t rgba_color[4]; ///< color for the padding area
FFDrawContext draw;
FFDrawColor color;
int needs_copy;
} PadContext;
@ -117,35 +101,22 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
sscanf(args, "%255[^:]:%255[^:]:%255[^:]:%255[^:]:%127s",
pad->w_expr, pad->h_expr, pad->x_expr, pad->y_expr, color_string);
if (av_parse_color(pad->color, color_string, -1, ctx) < 0)
if (av_parse_color(pad->rgba_color, color_string, -1, ctx) < 0)
return AVERROR(EINVAL);
return 0;
}
static av_cold void uninit(AVFilterContext *ctx)
{
PadContext *pad = ctx->priv;
int i;
for (i = 0; i < 4; i++) {
av_freep(&pad->line[i]);
pad->line_step[i] = 0;
}
}
static int config_input(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
PadContext *pad = ctx->priv;
const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[inlink->format];
uint8_t rgba_color[4];
int ret, is_packed_rgba;
int ret;
double var_values[VARS_NB], res;
char *expr;
pad->hsub = pix_desc->log2_chroma_w;
pad->vsub = pix_desc->log2_chroma_h;
ff_draw_init(&pad->draw, inlink->format, 0);
ff_draw_color(&pad->draw, &pad->color, pad->rgba_color);
var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w;
var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;
@ -155,8 +126,8 @@ static int config_input(AVFilterLink *inlink)
var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ?
(float) 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_HSUB] = 1<<pad->hsub;
var_values[VAR_VSUB] = 1<<pad->vsub;
var_values[VAR_HSUB] = 1 << pad->draw.hsub_max;
var_values[VAR_VSUB] = 1 << pad->draw.vsub_max;
/* evaluate width and height */
av_expr_parse_and_eval(&res, (expr = pad->w_expr),
@ -203,22 +174,16 @@ static int config_input(AVFilterLink *inlink)
if (!pad->h)
pad->h = inlink->h;
pad->w &= ~((1 << pad->hsub) - 1);
pad->h &= ~((1 << pad->vsub) - 1);
pad->x &= ~((1 << pad->hsub) - 1);
pad->y &= ~((1 << pad->vsub) - 1);
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);
pad->in_w = inlink->w & ~((1 << pad->hsub) - 1);
pad->in_h = inlink->h & ~((1 << pad->vsub) - 1);
memcpy(rgba_color, pad->color, sizeof(rgba_color));
ff_fill_line_with_color(pad->line, pad->line_step, pad->w, pad->color,
inlink->format, rgba_color, &is_packed_rgba, NULL);
av_log(ctx, AV_LOG_INFO, "w:%d h:%d -> w:%d h:%d x:%d y:%d color:0x%02X%02X%02X%02X[%s]\n",
av_log(ctx, AV_LOG_INFO, "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->color[0], pad->color[1], pad->color[2], pad->color[3],
is_packed_rgba ? "rgba" : "yuva");
pad->rgba_color[0], pad->rgba_color[1], pad->rgba_color[2], pad->rgba_color[3]);
if (pad->x < 0 || pad->y < 0 ||
pad->w <= 0 || pad->h <= 0 ||
@ -261,13 +226,9 @@ static AVFilterBufferRef *get_video_buffer(AVFilterLink *inlink, int perms, int
picref->video->w = w;
picref->video->h = h;
for (plane = 0; plane < 4 && picref->data[plane]; plane++) {
int hsub = (plane == 1 || plane == 2) ? pad->hsub : 0;
int vsub = (plane == 1 || plane == 2) ? pad->vsub : 0;
picref->data[plane] += FFALIGN(pad->x >> hsub, align) * pad->line_step[plane] +
(pad->y >> vsub) * picref->linesize[plane];
}
for (plane = 0; plane < 4 && picref->data[plane]; plane++)
picref->data[plane] += FFALIGN(pad->x >> pad->draw.hsub[plane], align) * pad->draw.pixelstep[plane] +
(pad->y >> pad->draw.vsub[plane]) * picref->linesize[plane];
return picref;
}
@ -277,12 +238,12 @@ static int does_clip(PadContext *pad, AVFilterBufferRef *outpicref, int plane, i
int64_t x_in_buf, y_in_buf;
x_in_buf = outpicref->data[plane] - outpicref->buf->data[plane]
+ (x >> hsub) * pad ->line_step[plane]
+ (y >> vsub) * outpicref->linesize [plane];
+ (x >> hsub) * pad->draw.pixelstep[plane]
+ (y >> vsub) * outpicref->linesize[plane];
if(x_in_buf < 0 || x_in_buf % pad->line_step[plane])
if(x_in_buf < 0 || x_in_buf % pad->draw.pixelstep[plane])
return 1;
x_in_buf /= pad->line_step[plane];
x_in_buf /= pad->draw.pixelstep[plane];
av_assert0(outpicref->buf->linesize[plane]>0); //while reference can use negative linesize the main buffer should not
@ -302,16 +263,16 @@ static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
int plane;
for (plane = 0; plane < 4 && outpicref->data[plane]; plane++) {
int hsub = (plane == 1 || plane == 2) ? pad->hsub : 0;
int vsub = (plane == 1 || plane == 2) ? pad->vsub : 0;
int hsub = pad->draw.hsub[plane];
int vsub = pad->draw.vsub[plane];
av_assert0(outpicref->buf->w>0 && outpicref->buf->h>0);
if(outpicref->format != outpicref->buf->format) //unsupported currently
break;
outpicref->data[plane] -= (pad->x >> hsub) * pad ->line_step[plane]
+ (pad->y >> vsub) * outpicref->linesize [plane];
outpicref->data[plane] -= (pad->x >> hsub) * pad->draw.pixelstep[plane]
+ (pad->y >> vsub) * outpicref->linesize[plane];
if( does_clip(pad, outpicref, plane, hsub, vsub, 0, 0)
|| does_clip(pad, outpicref, plane, hsub, vsub, 0, pad->h-1)
@ -354,9 +315,9 @@ static void draw_send_bar_slice(AVFilterLink *link, int y, int h, int slice_dir,
}
if (bar_h) {
ff_draw_rectangle(link->dst->outputs[0]->out_buf->data,
ff_fill_rectangle(&pad->draw, &pad->color,
link->dst->outputs[0]->out_buf->data,
link->dst->outputs[0]->out_buf->linesize,
pad->line, pad->line_step, pad->hsub, pad->vsub,
0, bar_y, pad->w, bar_h);
avfilter_draw_slice(link->dst->outputs[0], bar_y, bar_h, slice_dir);
}
@ -370,27 +331,26 @@ static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
y += pad->y;
y &= ~((1 << pad->vsub) - 1);
h &= ~((1 << pad->vsub) - 1);
y = ff_draw_round_to_sub(&pad->draw, 1, -1, y);
h = ff_draw_round_to_sub(&pad->draw, 1, -1, h);
if (!h)
return;
draw_send_bar_slice(link, y, h, slice_dir, 1);
/* left border */
ff_draw_rectangle(outpic->data, outpic->linesize, pad->line, pad->line_step,
pad->hsub, pad->vsub, 0, y, pad->x, h);
ff_fill_rectangle(&pad->draw, &pad->color, outpic->data, outpic->linesize,
0, y, pad->x, h);
if(pad->needs_copy){
ff_copy_rectangle(outpic->data, outpic->linesize,
inpic->data, inpic->linesize, pad->line_step,
pad->hsub, pad->vsub,
pad->x, y, y-pad->y, inpic->video->w, h);
ff_copy_rectangle2(&pad->draw,
outpic->data, outpic->linesize,
inpic ->data, inpic ->linesize,
pad->x, y, 0, y - pad->y, inpic->video->w, h);
}
/* right border */
ff_draw_rectangle(outpic->data, outpic->linesize,
pad->line, pad->line_step, pad->hsub, pad->vsub,
ff_fill_rectangle(&pad->draw, &pad->color, outpic->data, outpic->linesize,
pad->x + pad->in_w, y, pad->w - pad->x - pad->in_w, h);
avfilter_draw_slice(link->dst->outputs[0], y, h, slice_dir);
@ -403,7 +363,6 @@ AVFilter avfilter_vf_pad = {
.priv_size = sizeof(PadContext),
.init = init,
.uninit = uninit,
.query_formats = query_formats,
.inputs = (const AVFilterPad[]) {{ .name = "default",

6
tests/ref/lavfi/pixfmts_pad
View File

@ -1,7 +1,12 @@
0bgr f47c0a8b17ea53980e6bb732ecc342f1
0rgb 09ff2231c65a8676d096536c9ca84f4f
abgr e8e5e350c856c051d502cd435a2aa0bd
argb a98e0a1213824ee4566d4891468bb614
bgr0 b512b5eece4c760728d351882d6e2d38
bgr24 ac7417cea8d6e799a31a3c9a39b8f202
bgra 6113a09a023cb2b08e9cad78eb1eb37a
gray f8ce1f22a7f5d9440c233c498bb3978d
rgb0 54bc252793270e0d647b88b679a31e84
rgb24 65eed443acc66c4f02bab6df4ebed515
rgba 74d4158ad0c626e9a7c6923b9ca73294
yuv410p a5210eb6a9b10c3269899b935df9a2d6
@ -11,6 +16,7 @@ yuv422p 3e0d822c11c716e7636387b1bf27c5ff
yuv440p 225dd7fbc8cceb24c26b765187d43a9e
yuv444p 45484f0411d336ce94636da0395f4692
yuva420p 919722724765dc3a716c38fa53b20580
yuva444p 11738446333c74cb2b15e1c2406cf7da
yuvj420p 4f20e2799966c21a9d9e0788b0956925
yuvj422p e4d84b0683f77a76f1c17d976eff127c
yuvj440p 33511c43339aa32533ab832861c150c3