static int config_props_output(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
TransContext *trans = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[outlink->format];
trans->hsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
trans->vsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
av_image_fill_max_pixsteps(trans->pixsteps, NULL, pixdesc);
outlink->w = inlink->h;
outlink->h = inlink->w;
if (inlink->sample_aspect_ratio.num){
outlink->sample_aspect_ratio = av_div_q((AVRational){1,1}, inlink->sample_aspect_ratio);
} else
outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
av_log(ctx, AV_LOG_INFO, "w:%d h:%d dir:%d -> w:%d h:%d rotation:%s vflip:%d\n",
inlink->w, inlink->h, trans->dir, outlink->w, outlink->h,
trans->dir == 1 || trans->dir == 3 ? "clockwise" : "counterclockwise",
trans->dir == 0 || trans->dir == 3);
return 0;
}
static int config_props(AVFilterLink *inlink)
{
FlipContext *s = inlink->dst->priv;
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);
av_image_fill_max_pixsteps(s->max_step, NULL, pix_desc);
s->hsub = pix_desc->log2_chroma_w;
s->vsub = pix_desc->log2_chroma_h;
return 0;
}
static int config_input_main(AVFilterLink *inlink)
{
OverlayContext *over = inlink->dst->priv;
const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[inlink->format];
av_image_fill_max_pixsteps(over->max_plane_step, NULL, pix_desc);
over->hsub = pix_desc->log2_chroma_w;
over->vsub = pix_desc->log2_chroma_h;
return 0;
}
static int config_props_output(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
TransContext *trans = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
const AVPixFmtDescriptor *desc_out = av_pix_fmt_desc_get(outlink->format);
const AVPixFmtDescriptor *desc_in = av_pix_fmt_desc_get(inlink->format);
if (trans->dir&4) {
av_log(ctx, AV_LOG_WARNING,
"dir values greater than 3 are deprecated, use the passthrough option instead\n");
trans->dir &= 3;
trans->passthrough = TRANSPOSE_PT_TYPE_LANDSCAPE;
}
if ((inlink->w >= inlink->h && trans->passthrough == TRANSPOSE_PT_TYPE_LANDSCAPE) ||
(inlink->w <= inlink->h && trans->passthrough == TRANSPOSE_PT_TYPE_PORTRAIT)) {
av_log(ctx, AV_LOG_VERBOSE,
"w:%d h:%d -> w:%d h:%d (passthrough mode)\n",
inlink->w, inlink->h, inlink->w, inlink->h);
return 0;
} else {
trans->passthrough = TRANSPOSE_PT_TYPE_NONE;
}
trans->hsub = desc_in->log2_chroma_w;
trans->vsub = desc_in->log2_chroma_h;
av_image_fill_max_pixsteps(trans->pixsteps, NULL, desc_out);
outlink->w = inlink->h;
outlink->h = inlink->w;
if (inlink->sample_aspect_ratio.num) {
#ifdef IDE_COMPILE
AVRational tmp;
tmp.num = 1;
tmp.den = 1;
outlink->sample_aspect_ratio = av_div_q(tmp, inlink->sample_aspect_ratio);
#else
outlink->sample_aspect_ratio = av_div_q((AVRational) { 1, 1 },
inlink->sample_aspect_ratio);
#endif
} else
outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
av_log(ctx, AV_LOG_VERBOSE,
"w:%d h:%d dir:%d -> w:%d h:%d rotation:%s vflip:%d\n",
inlink->w, inlink->h, trans->dir, outlink->w, outlink->h,
trans->dir == 1 || trans->dir == 3 ? "clockwise" : "counterclockwise",
trans->dir == 0 || trans->dir == 3);
return 0;
}
static int config_input(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
CropDetectContext *cd = ctx->priv;
av_image_fill_max_pixsteps(cd->max_pixsteps, NULL,
&av_pix_fmt_descriptors[inlink->format]);
cd->x1 = inlink->w - 1;
cd->y1 = inlink->h - 1;
cd->x2 = 0;
cd->y2 = 0;
return 0;
}
static int config_props(AVFilterLink *inlink)
{
FlipContext *s = inlink->dst->priv;
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);
const int hsub = pix_desc->log2_chroma_w;
const int vsub = pix_desc->log2_chroma_h;
av_image_fill_max_pixsteps(s->max_step, NULL, pix_desc);
s->planewidth[0] = s->planewidth[3] = inlink->w;
s->planewidth[1] = s->planewidth[2] = FF_CEIL_RSHIFT(inlink->w, hsub);
s->planeheight[0] = s->planeheight[3] = inlink->h;
s->planeheight[1] = s->planeheight[2] = FF_CEIL_RSHIFT(inlink->h, vsub);
return 0;
}
static int config_input(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
CropDetectContext *s = ctx->priv;
av_image_fill_max_pixsteps(s->max_pixsteps, NULL,
av_pix_fmt_desc_get(inlink->format));
s->x1 = inlink->w - 1;
s->y1 = inlink->h - 1;
s->x2 = 0;
s->y2 = 0;
return 0;
}
static int config_input(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
CropDetectContext *s = ctx->priv;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
av_image_fill_max_pixsteps(s->max_pixsteps, NULL, desc);
if (s->limit < 1.0)
s->limit *= (1 << (desc->comp[0].depth_minus1 + 1)) - 1;
s->x1 = inlink->w - 1;
s->y1 = inlink->h - 1;
s->x2 = 0;
s->y2 = 0;
return 0;
}
static int config_input(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
SwapRectContext *s = ctx->priv;
if (!s->w || !s->h ||
!s->x1 || !s->y1 ||
!s->x2 || !s->y2)
return AVERROR(EINVAL);
s->desc = av_pix_fmt_desc_get(inlink->format);
av_image_fill_max_pixsteps(s->pixsteps, NULL, s->desc);
s->nb_planes = av_pix_fmt_count_planes(inlink->format);
s->temp = av_malloc_array(inlink->w, s->pixsteps[0]);
if (!s->temp)
return AVERROR(ENOMEM);
return 0;
}
static int config_input(AVFilterLink *link)
{
AVFilterContext *ctx = link->dst;
CropContext *crop = ctx->priv;
const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[link->format];
int ret;
const char *expr;
double res;
crop->var_values[VAR_IN_W] = crop->var_values[VAR_IW] = ctx->inputs[0]->w;
crop->var_values[VAR_IN_H] = crop->var_values[VAR_IH] = ctx->inputs[0]->h;
crop->var_values[VAR_A] = (float) link->w / link->h;
crop->var_values[VAR_SAR] = link->sample_aspect_ratio.num ? av_q2d(link->sample_aspect_ratio) : 1;
crop->var_values[VAR_DAR] = crop->var_values[VAR_A] * crop->var_values[VAR_SAR];
crop->var_values[VAR_HSUB] = 1<<pix_desc->log2_chroma_w;
crop->var_values[VAR_VSUB] = 1<<pix_desc->log2_chroma_h;
crop->var_values[VAR_X] = NAN;
crop->var_values[VAR_Y] = NAN;
crop->var_values[VAR_OUT_W] = crop->var_values[VAR_OW] = NAN;
crop->var_values[VAR_OUT_H] = crop->var_values[VAR_OH] = NAN;
crop->var_values[VAR_N] = 0;
crop->var_values[VAR_T] = NAN;
crop->var_values[VAR_POS] = NAN;
av_image_fill_max_pixsteps(crop->max_step, NULL, pix_desc);
crop->hsub = av_pix_fmt_descriptors[link->format].log2_chroma_w;
crop->vsub = av_pix_fmt_descriptors[link->format].log2_chroma_h;
if ((ret = av_expr_parse_and_eval(&res, (expr = crop->ow_expr),
var_names, crop->var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0) goto fail_expr;
crop->var_values[VAR_OUT_W] = crop->var_values[VAR_OW] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = crop->oh_expr),
var_names, crop->var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0) goto fail_expr;
crop->var_values[VAR_OUT_H] = crop->var_values[VAR_OH] = res;
/* evaluate again ow as it may depend on oh */
if ((ret = av_expr_parse_and_eval(&res, (expr = crop->ow_expr),
var_names, crop->var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0) goto fail_expr;
crop->var_values[VAR_OUT_W] = crop->var_values[VAR_OW] = res;
if (normalize_double(&crop->w, crop->var_values[VAR_OUT_W]) < 0 ||
normalize_double(&crop->h, crop->var_values[VAR_OUT_H]) < 0) {
av_log(ctx, AV_LOG_ERROR,
"Too big value or invalid expression for out_w/ow or out_h/oh. "
"Maybe the expression for out_w:'%s' or for out_h:'%s' is self-referencing.\n",
crop->ow_expr, crop->oh_expr);
return AVERROR(EINVAL);
}
crop->w &= ~((1 << crop->hsub) - 1);
crop->h &= ~((1 << crop->vsub) - 1);
if ((ret = av_expr_parse(&crop->x_pexpr, crop->x_expr, var_names,
NULL, NULL, NULL, NULL, 0, ctx)) < 0 ||
(ret = av_expr_parse(&crop->y_pexpr, crop->y_expr, var_names,
NULL, NULL, NULL, NULL, 0, ctx)) < 0)
return AVERROR(EINVAL);
if (crop->keep_aspect) {
AVRational dar = av_mul_q(link->sample_aspect_ratio,
(AVRational){ link->w, link->h });
av_reduce(&crop->out_sar.num, &crop->out_sar.den,
dar.num * crop->h, dar.den * crop->w, INT_MAX);
} else
crop->out_sar = link->sample_aspect_ratio;
av_log(ctx, AV_LOG_INFO, "w:%d h:%d sar:%d/%d -> w:%d h:%d sar:%d/%d\n",
link->w, link->h, link->sample_aspect_ratio.num, link->sample_aspect_ratio.den,
crop->w, crop->h, crop->out_sar.num, crop->out_sar.den);
if (crop->w <= 0 || crop->h <= 0 ||
crop->w > link->w || crop->h > link->h) {
av_log(ctx, AV_LOG_ERROR,
"Invalid too big or non positive size for width '%d' or height '%d'\n",
crop->w, crop->h);
return AVERROR(EINVAL);
}
/* set default, required in the case the first computed value for x/y is NAN */
crop->x = (link->w - crop->w) / 2;
crop->y = (link->h - crop->h) / 2;
crop->x &= ~((1 << crop->hsub) - 1);
crop->y &= ~((1 << crop->vsub) - 1);
return 0;
fail_expr:
av_log(NULL, AV_LOG_ERROR, "Error when evaluating the expression '%s'\n", expr);
return ret;
}
static int config_props_output(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
TransContext *s = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
const AVPixFmtDescriptor *desc_out = av_pix_fmt_desc_get(outlink->format);
const AVPixFmtDescriptor *desc_in = av_pix_fmt_desc_get(inlink->format);
if (s->dir&4) {
av_log(ctx, AV_LOG_WARNING,
"dir values greater than 3 are deprecated, use the passthrough option instead\n");
s->dir &= 3;
s->passthrough = TRANSPOSE_PT_TYPE_LANDSCAPE;
}
if ((inlink->w >= inlink->h && s->passthrough == TRANSPOSE_PT_TYPE_LANDSCAPE) ||
(inlink->w <= inlink->h && s->passthrough == TRANSPOSE_PT_TYPE_PORTRAIT)) {
av_log(ctx, AV_LOG_VERBOSE,
"w:%d h:%d -> w:%d h:%d (passthrough mode)\n",
inlink->w, inlink->h, inlink->w, inlink->h);
return 0;
} else {
s->passthrough = TRANSPOSE_PT_TYPE_NONE;
}
s->hsub = desc_in->log2_chroma_w;
s->vsub = desc_in->log2_chroma_h;
s->planes = av_pix_fmt_count_planes(outlink->format);
av_assert0(desc_in->nb_components == desc_out->nb_components);
av_image_fill_max_pixsteps(s->pixsteps, NULL, desc_out);
outlink->w = inlink->h;
outlink->h = inlink->w;
if (inlink->sample_aspect_ratio.num)
outlink->sample_aspect_ratio = av_div_q((AVRational) { 1, 1 },
inlink->sample_aspect_ratio);
else
outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
switch (s->pixsteps[0]) {
case 1: s->transpose_block = transpose_block_8_c;
s->transpose_8x8 = transpose_8x8_8_c; break;
case 2: s->transpose_block = transpose_block_16_c;
s->transpose_8x8 = transpose_8x8_16_c; break;
case 3: s->transpose_block = transpose_block_24_c;
s->transpose_8x8 = transpose_8x8_24_c; break;
case 4: s->transpose_block = transpose_block_32_c;
s->transpose_8x8 = transpose_8x8_32_c; break;
case 6: s->transpose_block = transpose_block_48_c;
s->transpose_8x8 = transpose_8x8_48_c; break;
case 8: s->transpose_block = transpose_block_64_c;
s->transpose_8x8 = transpose_8x8_64_c; break;
}
av_log(ctx, AV_LOG_VERBOSE,
"w:%d h:%d dir:%d -> w:%d h:%d rotation:%s vflip:%d\n",
inlink->w, inlink->h, s->dir, outlink->w, outlink->h,
s->dir == 1 || s->dir == 3 ? "clockwise" : "counterclockwise",
s->dir == 0 || s->dir == 3);
return 0;
}
static int config_input(AVFilterLink *link)
{
AVFilterContext *ctx = link->dst;
CropContext *s = ctx->priv;
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(link->format);
int ret;
const char *expr;
double res;
s->var_values[VAR_E] = M_E;
s->var_values[VAR_PHI] = M_PHI;
s->var_values[VAR_PI] = M_PI;
s->var_values[VAR_IN_W] = s->var_values[VAR_IW] = ctx->inputs[0]->w;
s->var_values[VAR_IN_H] = s->var_values[VAR_IH] = ctx->inputs[0]->h;
s->var_values[VAR_X] = NAN;
s->var_values[VAR_Y] = NAN;
s->var_values[VAR_OUT_W] = s->var_values[VAR_OW] = NAN;
s->var_values[VAR_OUT_H] = s->var_values[VAR_OH] = NAN;
s->var_values[VAR_N] = 0;
s->var_values[VAR_T] = NAN;
av_image_fill_max_pixsteps(s->max_step, NULL, pix_desc);
s->hsub = pix_desc->log2_chroma_w;
s->vsub = pix_desc->log2_chroma_h;
if ((ret = av_expr_parse_and_eval(&res, (expr = s->ow_expr),
var_names, s->var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto fail_expr;
s->var_values[VAR_OUT_W] = s->var_values[VAR_OW] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = s->oh_expr),
var_names, s->var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto fail_expr;
s->var_values[VAR_OUT_H] = s->var_values[VAR_OH] = res;
/* evaluate again ow as it may depend on oh */
if ((ret = av_expr_parse_and_eval(&res, (expr = s->ow_expr),
var_names, s->var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto fail_expr;
s->var_values[VAR_OUT_W] = s->var_values[VAR_OW] = res;
if (normalize_double(&s->w, s->var_values[VAR_OUT_W]) < 0 ||
normalize_double(&s->h, s->var_values[VAR_OUT_H]) < 0) {
av_log(ctx, AV_LOG_ERROR,
"Too big value or invalid expression for out_w/ow or out_h/oh. "
"Maybe the expression for out_w:'%s' or for out_h:'%s' is self-referencing.\n",
s->ow_expr, s->oh_expr);
return AVERROR(EINVAL);
}
s->w &= ~((1 << s->hsub) - 1);
s->h &= ~((1 << s->vsub) - 1);
av_expr_free(s->x_pexpr);
av_expr_free(s->y_pexpr);
s->x_pexpr = s->y_pexpr = NULL;
if ((ret = av_expr_parse(&s->x_pexpr, s->x_expr, var_names,
NULL, NULL, NULL, NULL, 0, ctx)) < 0 ||
(ret = av_expr_parse(&s->y_pexpr, s->y_expr, var_names,
NULL, NULL, NULL, NULL, 0, ctx)) < 0)
return AVERROR(EINVAL);
av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d\n",
link->w, link->h, s->w, s->h);
if (s->w <= 0 || s->h <= 0 ||
s->w > link->w || s->h > link->h) {
av_log(ctx, AV_LOG_ERROR,
"Invalid too big or non positive size for width '%d' or height '%d'\n",
s->w, s->h);
return AVERROR(EINVAL);
}
/* set default, required in the case the first computed value for x/y is NAN */
s->x = (link->w - s->w) / 2;
s->y = (link->h - s->h) / 2;
s->x &= ~((1 << s->hsub) - 1);
s->y &= ~((1 << s->vsub) - 1);
return 0;
fail_expr:
av_log(NULL, AV_LOG_ERROR, "Error when evaluating the expression '%s'\n", expr);
return ret;
}