#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+#include "video.h"
typedef struct {
int hsub, vsub;
int dir;
} TransContext;
-static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+static av_cold int init(AVFilterContext *ctx, const char *args)
{
TransContext *trans = ctx->priv;
trans->dir = 0;
PIX_FMT_NONE
};
- avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(pix_fmts));
+ ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
return 0;
}
} 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",
+ 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 void start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
+static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
{
AVFilterLink *outlink = inlink->dst->outputs[0];
+ AVFilterBufferRef *buf_out;
+
+ outlink->out_buf = ff_get_video_buffer(outlink, AV_PERM_WRITE,
+ outlink->w, outlink->h);
+ if (!outlink->out_buf)
+ return AVERROR(ENOMEM);
- outlink->out_buf = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,
- outlink->w, outlink->h);
outlink->out_buf->pts = picref->pts;
if (picref->video->sample_aspect_ratio.num == 0) {
outlink->out_buf->video->sample_aspect_ratio.den = picref->video->sample_aspect_ratio.num;
}
- avfilter_start_frame(outlink, avfilter_ref_buffer(outlink->out_buf, ~0));
+ buf_out = avfilter_ref_buffer(outlink->out_buf, ~0);
+ if (!buf_out)
+ return AVERROR(ENOMEM);
+ return ff_start_frame(outlink, buf_out);
}
-static void end_frame(AVFilterLink *inlink)
+static int end_frame(AVFilterLink *inlink)
{
TransContext *trans = inlink->dst->priv;
AVFilterBufferRef *inpic = inlink->cur_buf;
AVFilterBufferRef *outpic = inlink->dst->outputs[0]->out_buf;
AVFilterLink *outlink = inlink->dst->outputs[0];
- int plane;
+ int plane, ret;
for (plane = 0; outpic->data[plane]; plane++) {
int hsub = plane == 1 || plane == 2 ? trans->hsub : 0;
}
}
- avfilter_unref_buffer(inpic);
- avfilter_draw_slice(outlink, 0, outpic->video->h, 1);
- avfilter_end_frame(outlink);
- avfilter_unref_buffer(outpic);
+ if ((ret = ff_draw_slice(outlink, 0, outpic->video->h, 1)) < 0 ||
+ (ret = ff_end_frame(outlink)) < 0)
+ return ret;
+ return 0;
}
-static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
+static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { return 0; }
AVFilter avfilter_vf_transpose = {
.name = "transpose",
.query_formats = query_formats,
- .inputs = (const AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .start_frame = start_frame,
- .draw_slice = null_draw_slice,
- .end_frame = end_frame,
- .min_perms = AV_PERM_READ, },
- { .name = NULL}},
- .outputs = (const AVFilterPad[]) {{ .name = "default",
- .config_props = config_props_output,
- .type = AVMEDIA_TYPE_VIDEO, },
- { .name = NULL}},
+ .inputs = (const AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .start_frame = start_frame,
+ .draw_slice = null_draw_slice,
+ .end_frame = end_frame,
+ .min_perms = AV_PERM_READ, },
+ { .name = NULL}},
+ .outputs = (const AVFilterPad[]) {{ .name = "default",
+ .config_props = config_props_output,
+ .type = AVMEDIA_TYPE_VIDEO, },
+ { .name = NULL}},
};