mpevideo_enc: disallow multiple slices for h261 and flv
[ffmpeg.git] / libavfilter / vf_pixdesctest.c
index ae0a506..0c5b7a1 100644 (file)
  * pixdesc test filter
  */
 
+#include "libavutil/common.h"
 #include "libavutil/pixdesc.h"
 #include "avfilter.h"
 #include "internal.h"
 #include "video.h"
 
-typedef struct {
+typedef struct PixdescTestContext {
     const AVPixFmtDescriptor *pix_desc;
     uint16_t *line;
 } PixdescTestContext;
@@ -43,99 +44,94 @@ static int config_props(AVFilterLink *inlink)
 {
     PixdescTestContext *priv = inlink->dst->priv;
 
-    priv->pix_desc = &av_pix_fmt_descriptors[inlink->format];
+    priv->pix_desc = av_pix_fmt_desc_get(inlink->format);
 
+    av_freep(&priv->line);
     if (!(priv->line = av_malloc(sizeof(*priv->line) * inlink->w)))
         return AVERROR(ENOMEM);
 
     return 0;
 }
 
-static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
+static int filter_frame(AVFilterLink *inlink, AVFrame *in)
 {
     PixdescTestContext *priv = inlink->dst->priv;
     AVFilterLink *outlink    = inlink->dst->outputs[0];
-    AVFilterBufferRef *outpicref;
-    int i, ret = 0;
+    AVFrame *out;
+    int i, c, w = inlink->w, h = inlink->h;
 
-    outpicref = ff_get_video_buffer(outlink, AV_PERM_WRITE,
-                                    outlink->w, outlink->h);
-    if (!outpicref)
+    out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+    if (!out) {
+        av_frame_free(&in);
         return AVERROR(ENOMEM);
+    }
 
-    avfilter_copy_buffer_ref_props(outpicref, picref);
+    av_frame_copy_props(out, in);
 
     for (i = 0; i < 4; i++) {
         int h = outlink->h;
         h = i == 1 || i == 2 ? h>>priv->pix_desc->log2_chroma_h : h;
-        if (outpicref->data[i]) {
-            uint8_t *data = outpicref->data[i] +
-                (outpicref->linesize[i] > 0 ? 0 : outpicref->linesize[i] * (h-1));
-            memset(data, 0, FFABS(outpicref->linesize[i]) * h);
+        if (out->data[i]) {
+            uint8_t *data = out->data[i] +
+                (out->linesize[i] > 0 ? 0 : out->linesize[i] * (h-1));
+            memset(data, 0, FFABS(out->linesize[i]) * h);
         }
     }
 
     /* copy palette */
-    if (priv->pix_desc->flags & PIX_FMT_PAL ||
-        priv->pix_desc->flags & PIX_FMT_PSEUDOPAL)
-        memcpy(outpicref->data[1], outpicref->data[1], 256*4);
-
-    ret = ff_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
-    if (ret < 0) {
-        avfilter_unref_bufferp(&outpicref);
-        return ret;
-    }
-
-    outlink->out_buf = outpicref;
-    return 0;
-}
-
-static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
-{
-    PixdescTestContext *priv = inlink->dst->priv;
-    AVFilterBufferRef *inpic    = inlink->cur_buf;
-    AVFilterBufferRef *outpic   = inlink->dst->outputs[0]->out_buf;
-    int i, c, w = inlink->w;
+    if (priv->pix_desc->flags & AV_PIX_FMT_FLAG_PAL ||
+        priv->pix_desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL)
+        memcpy(out->data[1], in->data[1], 256*4);
 
     for (c = 0; c < priv->pix_desc->nb_components; c++) {
         int w1 = c == 1 || c == 2 ? w>>priv->pix_desc->log2_chroma_w : w;
         int h1 = c == 1 || c == 2 ? h>>priv->pix_desc->log2_chroma_h : h;
-        int y1 = c == 1 || c == 2 ? y>>priv->pix_desc->log2_chroma_h : y;
 
-        for (i = y1; i < y1 + h1; i++) {
+        for (i = 0; i < h1; i++) {
             av_read_image_line(priv->line,
-                               inpic->data,
-                               inpic->linesize,
+                               in->data,
+                               in->linesize,
                                priv->pix_desc,
                                0, i, c, w1, 0);
 
             av_write_image_line(priv->line,
-                                outpic->data,
-                                outpic->linesize,
+                                out->data,
+                                out->linesize,
                                 priv->pix_desc,
                                 0, i, c, w1);
         }
     }
 
-    ff_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
+    av_frame_free(&in);
+    return ff_filter_frame(outlink, out);
 }
 
-AVFilter avfilter_vf_pixdesctest = {
+static const AVFilterPad avfilter_vf_pixdesctest_inputs[] = {
+    {
+        .name         = "default",
+        .type         = AVMEDIA_TYPE_VIDEO,
+        .filter_frame = filter_frame,
+        .config_props = config_props,
+    },
+    { NULL }
+};
+
+static const AVFilterPad avfilter_vf_pixdesctest_outputs[] = {
+    {
+        .name = "default",
+        .type = AVMEDIA_TYPE_VIDEO,
+    },
+    { NULL }
+};
+
+AVFilter ff_vf_pixdesctest = {
     .name        = "pixdesctest",
     .description = NULL_IF_CONFIG_SMALL("Test pixel format definitions."),
 
     .priv_size = sizeof(PixdescTestContext),
     .uninit    = uninit,
 
-    .inputs    = (const AVFilterPad[]) {{ .name            = "default",
-                                          .type            = AVMEDIA_TYPE_VIDEO,
-                                          .start_frame     = start_frame,
-                                          .draw_slice      = draw_slice,
-                                          .config_props    = config_props,
-                                          .min_perms       = AV_PERM_READ, },
-                                        { .name = NULL}},
-
-    .outputs   = (const AVFilterPad[]) {{ .name            = "default",
-                                          .type            = AVMEDIA_TYPE_VIDEO, },
-                                        { .name = NULL}},
+    .inputs    = avfilter_vf_pixdesctest_inputs,
+
+    .outputs   = avfilter_vf_pixdesctest_outputs,
 };