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avfilter/vf_removelogo: use the name 's' for the pointer to the private context

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This commit is contained in:
Clément Bœsch 2013-05-16 17:53:39 +02:00 committed by Paul B Mahol
parent 7d0ce1e59d
commit e31a239fea
1 changed files with 38 additions and 38 deletions
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76
libavfilter/vf_removelogo.c
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@ -279,44 +279,44 @@ static void generate_half_size_image(const uint8_t *src_data, int src_linesize,
static av_cold int init(AVFilterContext *ctx)
{
RemovelogoContext *removelogo = ctx->priv;
RemovelogoContext *s = ctx->priv;
int ***mask;
int ret = 0;
int a, b, c, w, h;
int full_max_mask_size, half_max_mask_size;
if (!removelogo->filename) {
if (!s->filename) {
av_log(ctx, AV_LOG_ERROR, "The bitmap file name is mandatory\n");
return AVERROR(EINVAL);
}
/* Load our mask image. */
if ((ret = load_mask(&removelogo->full_mask_data, &w, &h, removelogo->filename, ctx)) < 0)
if ((ret = load_mask(&s->full_mask_data, &w, &h, s->filename, ctx)) < 0)
return ret;
removelogo->mask_w = w;
removelogo->mask_h = h;
s->mask_w = w;
s->mask_h = h;
convert_mask_to_strength_mask(removelogo->full_mask_data, w, w, h,
convert_mask_to_strength_mask(s->full_mask_data, w, w, h,
16, &full_max_mask_size);
/* Create the scaled down mask image for the chroma planes. */
if (!(removelogo->half_mask_data = av_mallocz(w/2 * h/2)))
if (!(s->half_mask_data = av_mallocz(w/2 * h/2)))
return AVERROR(ENOMEM);
generate_half_size_image(removelogo->full_mask_data, w,
removelogo->half_mask_data, w/2,
generate_half_size_image(s->full_mask_data, w,
s->half_mask_data, w/2,
w, h, &half_max_mask_size);
removelogo->max_mask_size = FFMAX(full_max_mask_size, half_max_mask_size);
s->max_mask_size = FFMAX(full_max_mask_size, half_max_mask_size);
/* Create a circular mask for each size up to max_mask_size. When
the filter is applied, the mask size is determined on a pixel
by pixel basis, with pixels nearer the edge of the logo getting
smaller mask sizes. */
mask = (int ***)av_malloc(sizeof(int **) * (removelogo->max_mask_size + 1));
mask = (int ***)av_malloc(sizeof(int **) * (s->max_mask_size + 1));
if (!mask)
return AVERROR(ENOMEM);
for (a = 0; a <= removelogo->max_mask_size; a++) {
for (a = 0; a <= s->max_mask_size; a++) {
mask[a] = (int **)av_malloc(sizeof(int *) * ((a * 2) + 1));
if (!mask[a])
return AVERROR(ENOMEM);
@ -332,17 +332,17 @@ static av_cold int init(AVFilterContext *ctx)
}
}
}
removelogo->mask = mask;
s->mask = mask;
/* Calculate our bounding rectangles, which determine in what
* region the logo resides for faster processing. */
ff_calculate_bounding_box(&removelogo->full_mask_bbox, removelogo->full_mask_data, w, w, h, 0);
ff_calculate_bounding_box(&removelogo->half_mask_bbox, removelogo->half_mask_data, w/2, w/2, h/2, 0);
ff_calculate_bounding_box(&s->full_mask_bbox, s->full_mask_data, w, w, h, 0);
ff_calculate_bounding_box(&s->half_mask_bbox, s->half_mask_data, w/2, w/2, h/2, 0);
#define SHOW_LOGO_INFO(mask_type) \
av_log(ctx, AV_LOG_VERBOSE, #mask_type " x1:%d x2:%d y1:%d y2:%d max_mask_size:%d\n", \
removelogo->mask_type##_mask_bbox.x1, removelogo->mask_type##_mask_bbox.x2, \
removelogo->mask_type##_mask_bbox.y1, removelogo->mask_type##_mask_bbox.y2, \
s->mask_type##_mask_bbox.x1, s->mask_type##_mask_bbox.x2, \
s->mask_type##_mask_bbox.y1, s->mask_type##_mask_bbox.y2, \
mask_type##_max_mask_size);
SHOW_LOGO_INFO(full);
SHOW_LOGO_INFO(half);
@ -353,12 +353,12 @@ static av_cold int init(AVFilterContext *ctx)
static int config_props_input(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
RemovelogoContext *removelogo = ctx->priv;
RemovelogoContext *s = ctx->priv;
if (inlink->w != removelogo->mask_w || inlink->h != removelogo->mask_h) {
if (inlink->w != s->mask_w || inlink->h != s->mask_h) {
av_log(ctx, AV_LOG_INFO,
"Mask image size %dx%d does not match with the input video size %dx%d\n",
removelogo->mask_w, removelogo->mask_h, inlink->w, inlink->h);
s->mask_w, s->mask_h, inlink->w, inlink->h);
return AVERROR(EINVAL);
}
@ -488,7 +488,7 @@ static void blur_image(int ***mask,
static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
{
RemovelogoContext *removelogo = inlink->dst->priv;
RemovelogoContext *s = inlink->dst->priv;
AVFilterLink *outlink = inlink->dst->outputs[0];
AVFrame *outpicref;
int direct = 0;
@ -505,21 +505,21 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
av_frame_copy_props(outpicref, inpicref);
}
blur_image(removelogo->mask,
blur_image(s->mask,
inpicref ->data[0], inpicref ->linesize[0],
outpicref->data[0], outpicref->linesize[0],
removelogo->full_mask_data, inlink->w,
inlink->w, inlink->h, direct, &removelogo->full_mask_bbox);
blur_image(removelogo->mask,
s->full_mask_data, inlink->w,
inlink->w, inlink->h, direct, &s->full_mask_bbox);
blur_image(s->mask,
inpicref ->data[1], inpicref ->linesize[1],
outpicref->data[1], outpicref->linesize[1],
removelogo->half_mask_data, inlink->w/2,
inlink->w/2, inlink->h/2, direct, &removelogo->half_mask_bbox);
blur_image(removelogo->mask,
s->half_mask_data, inlink->w/2,
inlink->w/2, inlink->h/2, direct, &s->half_mask_bbox);
blur_image(s->mask,
inpicref ->data[2], inpicref ->linesize[2],
outpicref->data[2], outpicref->linesize[2],
removelogo->half_mask_data, inlink->w/2,
inlink->w/2, inlink->h/2, direct, &removelogo->half_mask_bbox);
s->half_mask_data, inlink->w/2,
inlink->w/2, inlink->h/2, direct, &s->half_mask_bbox);
if (!direct)
av_frame_free(&inpicref);
@ -529,23 +529,23 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
static av_cold void uninit(AVFilterContext *ctx)
{
RemovelogoContext *removelogo = ctx->priv;
RemovelogoContext *s = ctx->priv;
int a, b;
av_freep(&removelogo->full_mask_data);
av_freep(&removelogo->half_mask_data);
av_freep(&s->full_mask_data);
av_freep(&s->half_mask_data);
if (removelogo->mask) {
if (s->mask) {
/* Loop through each mask. */
for (a = 0; a <= removelogo->max_mask_size; a++) {
for (a = 0; a <= s->max_mask_size; a++) {
/* Loop through each scanline in a mask. */
for (b = -a; b <= a; b++) {
av_free(removelogo->mask[a][b + a]); /* Free a scanline. */
av_free(s->mask[a][b + a]); /* Free a scanline. */
}
av_free(removelogo->mask[a]);
av_free(s->mask[a]);
}
/* Free the array of pointers pointing to the masks. */
av_freep(&removelogo->mask);
av_freep(&s->mask);
}
}