/* #define DEBUG */
+#include <stdio.h>
+
#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+#include "video.h"
#include "libavutil/eval.h"
#include "libavutil/avstring.h"
+#include "libavutil/internal.h"
#include "libavutil/libm.h"
#include "libavutil/imgutils.h"
#include "libavutil/mathematics.h"
-static const char *var_names[] = {
+static const char *const var_names[] = {
"E",
"PHI",
"PI",
static int query_formats(AVFilterContext *ctx)
{
- static const enum PixelFormat pix_fmts[] = {
- PIX_FMT_RGB48BE, PIX_FMT_RGB48LE,
- PIX_FMT_BGR48BE, PIX_FMT_BGR48LE,
- PIX_FMT_ARGB, PIX_FMT_RGBA,
- PIX_FMT_ABGR, PIX_FMT_BGRA,
- PIX_FMT_RGB24, PIX_FMT_BGR24,
- PIX_FMT_RGB565BE, PIX_FMT_RGB565LE,
- PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
- PIX_FMT_BGR565BE, PIX_FMT_BGR565LE,
- PIX_FMT_BGR555BE, PIX_FMT_BGR555LE,
- PIX_FMT_GRAY16BE, PIX_FMT_GRAY16LE,
- PIX_FMT_YUV420P16LE, PIX_FMT_YUV420P16BE,
- PIX_FMT_YUV422P16LE, PIX_FMT_YUV422P16BE,
- PIX_FMT_YUV444P16LE, PIX_FMT_YUV444P16BE,
- 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_RGB8, PIX_FMT_BGR8,
- PIX_FMT_RGB4_BYTE, PIX_FMT_BGR4_BYTE,
- PIX_FMT_PAL8, PIX_FMT_GRAY8,
- PIX_FMT_NONE
+ static const enum AVPixelFormat pix_fmts[] = {
+ AV_PIX_FMT_RGB48BE, AV_PIX_FMT_RGB48LE,
+ AV_PIX_FMT_BGR48BE, AV_PIX_FMT_BGR48LE,
+ AV_PIX_FMT_ARGB, AV_PIX_FMT_RGBA,
+ AV_PIX_FMT_ABGR, AV_PIX_FMT_BGRA,
+ AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
+ AV_PIX_FMT_RGB565BE, AV_PIX_FMT_RGB565LE,
+ AV_PIX_FMT_RGB555BE, AV_PIX_FMT_RGB555LE,
+ AV_PIX_FMT_BGR565BE, AV_PIX_FMT_BGR565LE,
+ AV_PIX_FMT_BGR555BE, AV_PIX_FMT_BGR555LE,
+ AV_PIX_FMT_GRAY16BE, AV_PIX_FMT_GRAY16LE,
+ AV_PIX_FMT_YUV420P16LE, AV_PIX_FMT_YUV420P16BE,
+ AV_PIX_FMT_YUV422P16LE, AV_PIX_FMT_YUV422P16BE,
+ AV_PIX_FMT_YUV444P16LE, AV_PIX_FMT_YUV444P16BE,
+ AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P,
+ AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV411P,
+ AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
+ AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P,
+ AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ440P,
+ AV_PIX_FMT_YUVA420P,
+ AV_PIX_FMT_RGB8, AV_PIX_FMT_BGR8,
+ AV_PIX_FMT_RGB4_BYTE, AV_PIX_FMT_BGR4_BYTE,
+ AV_PIX_FMT_PAL8, AV_PIX_FMT_GRAY8,
+ AV_PIX_FMT_NONE
};
- avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
+ ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
return 0;
}
-static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+static av_cold int init(AVFilterContext *ctx, const char *args)
{
CropContext *crop = ctx->priv;
{
AVFilterContext *ctx = link->dst;
CropContext *crop = ctx->priv;
- const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[link->format];
+ const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(link->format);
int ret;
const char *expr;
double res;
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;
+ crop->hsub = pix_desc->log2_chroma_w;
+ crop->vsub = pix_desc->log2_chroma_h;
if ((ret = av_expr_parse_and_eval(&res, (expr = crop->ow_expr),
var_names, crop->var_values,
NULL, NULL, NULL, NULL, 0, ctx)) < 0)
return AVERROR(EINVAL);
- av_log(ctx, AV_LOG_INFO, "w:%d h:%d -> w:%d h:%d\n",
+ av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d\n",
link->w, link->h, crop->w, crop->h);
if (crop->w <= 0 || crop->h <= 0 ||
return 0;
}
-static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
+static int filter_frame(AVFilterLink *link, AVFilterBufferRef *frame)
{
AVFilterContext *ctx = link->dst;
CropContext *crop = ctx->priv;
- AVFilterBufferRef *ref2;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
int i;
- ref2 = avfilter_ref_buffer(picref, ~0);
- ref2->video->w = crop->w;
- ref2->video->h = crop->h;
+ frame->video->w = crop->w;
+ frame->video->h = crop->h;
- crop->var_values[VAR_T] = picref->pts == AV_NOPTS_VALUE ?
- NAN : picref->pts * av_q2d(link->time_base);
- crop->var_values[VAR_POS] = picref->pos == -1 ? NAN : picref->pos;
+ crop->var_values[VAR_T] = frame->pts == AV_NOPTS_VALUE ?
+ NAN : frame->pts * av_q2d(link->time_base);
+ crop->var_values[VAR_POS] = frame->pos == -1 ? NAN : frame->pos;
crop->var_values[VAR_X] = av_expr_eval(crop->x_pexpr, crop->var_values, NULL);
crop->var_values[VAR_Y] = av_expr_eval(crop->y_pexpr, crop->var_values, NULL);
crop->var_values[VAR_X] = av_expr_eval(crop->x_pexpr, crop->var_values, NULL);
(int)crop->var_values[VAR_N], crop->var_values[VAR_T], crop->x,
crop->y, crop->x+crop->w, crop->y+crop->h);
- ref2->data[0] += crop->y * ref2->linesize[0];
- ref2->data[0] += crop->x * crop->max_step[0];
+ frame->data[0] += crop->y * frame->linesize[0];
+ frame->data[0] += crop->x * crop->max_step[0];
- if (!(av_pix_fmt_descriptors[link->format].flags & PIX_FMT_PAL)) {
+ if (!(desc->flags & PIX_FMT_PAL || desc->flags & PIX_FMT_PSEUDOPAL)) {
for (i = 1; i < 3; i ++) {
- if (ref2->data[i]) {
- ref2->data[i] += (crop->y >> crop->vsub) * ref2->linesize[i];
- ref2->data[i] += (crop->x * crop->max_step[i]) >> crop->hsub;
+ if (frame->data[i]) {
+ frame->data[i] += (crop->y >> crop->vsub) * frame->linesize[i];
+ frame->data[i] += (crop->x * crop->max_step[i]) >> crop->hsub;
}
}
}
/* alpha plane */
- if (ref2->data[3]) {
- ref2->data[3] += crop->y * ref2->linesize[3];
- ref2->data[3] += crop->x * crop->max_step[3];
+ if (frame->data[3]) {
+ frame->data[3] += crop->y * frame->linesize[3];
+ frame->data[3] += crop->x * crop->max_step[3];
}
- avfilter_start_frame(link->dst->outputs[0], ref2);
-}
-
-static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
-{
- AVFilterContext *ctx = link->dst;
- CropContext *crop = ctx->priv;
-
- if (y >= crop->y + crop->h || y + h <= crop->y)
- return;
-
- if (y < crop->y) {
- h -= crop->y - y;
- y = crop->y;
- }
- if (y + h > crop->y + crop->h)
- h = crop->y + crop->h - y;
+ crop->var_values[VAR_N] += 1.0;
- avfilter_draw_slice(ctx->outputs[0], y - crop->y, h, slice_dir);
+ return ff_filter_frame(link->dst->outputs[0], frame);
}
-static void end_frame(AVFilterLink *link)
-{
- CropContext *crop = link->dst->priv;
+static const AVFilterPad avfilter_vf_crop_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .filter_frame = filter_frame,
+ .get_video_buffer = ff_null_get_video_buffer,
+ .config_props = config_input,
+ },
+ { NULL }
+};
- crop->var_values[VAR_N] += 1.0;
- avfilter_unref_buffer(link->cur_buf);
- avfilter_end_frame(link->dst->outputs[0]);
-}
+static const AVFilterPad avfilter_vf_crop_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = config_output,
+ },
+ { NULL }
+};
AVFilter avfilter_vf_crop = {
.name = "crop",
.init = init,
.uninit = uninit,
- .inputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .start_frame = start_frame,
- .draw_slice = draw_slice,
- .end_frame = end_frame,
- .get_video_buffer = avfilter_null_get_video_buffer,
- .config_props = config_input, },
- { .name = NULL}},
- .outputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .config_props = config_output, },
- { .name = NULL}},
+ .inputs = avfilter_vf_crop_inputs,
+ .outputs = avfilter_vf_crop_outputs,
};
projects / ffmpeg / blobdiff