Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavfilter / vf_delogo.c

diff --git a/libavfilter/vf_delogo.c b/libavfilter/vf_delogo.c
index ffef1c7155e7b3c684ef931d5f4b75a372ebfe64..c52036228c07f26dc17257f285ad40bf1726a592 100644 (file)
--- a/libavfilter/vf_delogo.c
+++ b/libavfilter/vf_delogo.c
@@ -29,6 +29,8 @@
 #include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"
 #include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
 #include "video.h"
 
 /**
@@ -149,16 +151,7 @@ static const AVOption delogo_options[]= {
     {NULL},
 };
 
-static const char *delogo_get_name(void *ctx)
-{
-    return "delogo";
-}
-
-static const AVClass delogo_class = {
-    .class_name = "DelogoContext",
-    .item_name  = delogo_get_name,
-    .option     = delogo_options,
-};
+AVFILTER_DEFINE_CLASS(delogo);
 
 static int query_formats(AVFilterContext *ctx)
 {
@@ -169,11 +162,11 @@ static int query_formats(AVFilterContext *ctx)
         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;
 }
 
-static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+static av_cold int init(AVFilterContext *ctx, const char *args)
 {
     DelogoContext *delogo = ctx->priv;
     int ret = 0;
@@ -205,7 +198,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
     if (delogo->show)
         delogo->band = 4;
 
-    av_log(ctx, AV_LOG_INFO, "x:%d y:%d, w:%d h:%d band:%d show:%d\n",
+    av_log(ctx, AV_LOG_VERBOSE, "x:%d y:%d, w:%d h:%d band:%d show:%d\n",
            delogo->x, delogo->y, delogo->w, delogo->h, delogo->band, delogo->show);
 
     delogo->w += delogo->band*2;
@@ -216,36 +209,22 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
     return 0;
 }
 
-static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
+static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
 {
-    AVFilterLink *outlink = inlink->dst->outputs[0];
-    AVFilterBufferRef *outpicref;
-
-    if (inpicref->perms & AV_PERM_PRESERVE) {
-        outpicref = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,
-                                              outlink->w, outlink->h);
-        avfilter_copy_buffer_ref_props(outpicref, inpicref);
-        outpicref->video->w = outlink->w;
-        outpicref->video->h = outlink->h;
-    } else
-        outpicref = inpicref;
-
-    outlink->out_buf = outpicref;
-    avfilter_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
+    return 0;
 }
 
-static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
-
-static void end_frame(AVFilterLink *inlink)
+static int end_frame(AVFilterLink *inlink)
 {
     DelogoContext *delogo = inlink->dst->priv;
     AVFilterLink *outlink = inlink->dst->outputs[0];
     AVFilterBufferRef *inpicref  = inlink ->cur_buf;
     AVFilterBufferRef *outpicref = outlink->out_buf;
-    int direct = inpicref == outpicref;
+    int direct = inpicref->buf == outpicref->buf;
     int hsub0 = av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
     int vsub0 = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
     int plane;
+    int ret;
 
     for (plane = 0; plane < 4 && inpicref->data[plane]; plane++) {
         int hsub = plane == 1 || plane == 2 ? hsub0 : 0;
@@ -260,11 +239,10 @@ static void end_frame(AVFilterLink *inlink)
                      delogo->show, direct);
     }
 
-    avfilter_draw_slice(outlink, 0, inlink->h, 1);
-    avfilter_end_frame(outlink);
-    avfilter_unref_buffer(inpicref);
-    if (!direct)
-        avfilter_unref_buffer(outpicref);
+    if ((ret = ff_draw_slice(outlink, 0, inlink->h, 1)) < 0 ||
+        (ret = ff_end_frame(outlink)) < 0)
+        return ret;
+    return 0;
 }
 
 AVFilter avfilter_vf_delogo = {
@@ -274,16 +252,16 @@ AVFilter avfilter_vf_delogo = {
     .init          = init,
     .query_formats = query_formats,
 
-    .inputs    = (const AVFilterPad[]) {{ .name       = "default",
-                                    .type             = AVMEDIA_TYPE_VIDEO,
-                                    .get_video_buffer = ff_null_get_video_buffer,
-                                    .start_frame      = start_frame,
-                                    .draw_slice       = null_draw_slice,
-                                    .end_frame        = end_frame,
-                                    .min_perms        = AV_PERM_WRITE | AV_PERM_READ,
-                                    .rej_perms        = AV_PERM_PRESERVE },
-                                  { .name = NULL}},
-    .outputs   = (const AVFilterPad[]) {{ .name       = "default",
-                                    .type             = AVMEDIA_TYPE_VIDEO, },
-                                  { .name = NULL}},
+    .inputs    = (const AVFilterPad[]) {{ .name             = "default",
+                                          .type             = AVMEDIA_TYPE_VIDEO,
+                                          .get_video_buffer = ff_null_get_video_buffer,
+                                          .start_frame      = ff_inplace_start_frame,
+                                          .draw_slice       = null_draw_slice,
+                                          .end_frame        = end_frame,
+                                          .min_perms        = AV_PERM_WRITE | AV_PERM_READ,
+                                          .rej_perms        = AV_PERM_PRESERVE },
+                                        { .name = NULL}},
+    .outputs   = (const AVFilterPad[]) {{ .name             = "default",
+                                          .type             = AVMEDIA_TYPE_VIDEO, },
+                                        { .name = NULL}},
 };