lavfi: fix erroneous use of AV_PERM_PRESERVE in ff_inplace_start_frame.

[ffmpeg] / libavfilter / buffer.c

diff --git a/libavfilter/buffer.c b/libavfilter/buffer.c
index ef8238c52854ea500590606bde524a6d1f110b06..3431c91ac0fb4678868cca0b732890226eaf2c63 100644 (file)
--- a/libavfilter/buffer.c
+++ b/libavfilter/buffer.c
@@ -22,10 +22,13 @@
 
 #include "libavutil/audioconvert.h"
 #include "libavutil/avassert.h"
+#include "libavutil/common.h"
+#include "libavutil/imgutils.h"
 #include "libavcodec/avcodec.h"
 
 #include "avfilter.h"
 #include "internal.h"
+#include "audio.h"
 #include "avcodec.h"
 
 void ff_avfilter_default_free_buffer(AVFilterBuffer *ptr)
@@ -163,50 +166,6 @@ void avfilter_unref_bufferp(AVFilterBufferRef **ref)
     *ref = NULL;
 }
 
-int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src)
-{
-    int planes, nb_channels;
-
-    memcpy(dst->data, src->data, sizeof(dst->data));
-    memcpy(dst->linesize, src->linesize, sizeof(dst->linesize));
-
-    dst->pts     = src->pts;
-    dst->format  = src->format;
-
-    switch (src->type) {
-    case AVMEDIA_TYPE_VIDEO:
-        dst->width               = src->video->w;
-        dst->height              = src->video->h;
-        dst->sample_aspect_ratio = src->video->sample_aspect_ratio;
-        dst->interlaced_frame    = src->video->interlaced;
-        dst->top_field_first     = src->video->top_field_first;
-        dst->key_frame           = src->video->key_frame;
-        dst->pict_type           = src->video->pict_type;
-        break;
-    case AVMEDIA_TYPE_AUDIO:
-        nb_channels = av_get_channel_layout_nb_channels(src->audio->channel_layout);
-        planes      = av_sample_fmt_is_planar(src->format) ? nb_channels : 1;
-
-        if (planes > FF_ARRAY_ELEMS(dst->data)) {
-            dst->extended_data = av_mallocz(planes * sizeof(*dst->extended_data));
-            if (!dst->extended_data)
-                return AVERROR(ENOMEM);
-            memcpy(dst->extended_data, src->extended_data,
-                   planes * sizeof(dst->extended_data));
-        } else
-            dst->extended_data = dst->data;
-
-        dst->sample_rate         = src->audio->sample_rate;
-        dst->channel_layout      = src->audio->channel_layout;
-        dst->nb_samples          = src->audio->nb_samples;
-        break;
-    default:
-        return AVERROR(EINVAL);
-    }
-
-    return 0;
-}
-
 void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
 {
     // copy common properties
@@ -219,3 +178,40 @@ void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *s
     default: break;
     }
 }
+
+AVFilterBufferRef *ff_copy_buffer_ref(AVFilterLink *outlink,
+                                      AVFilterBufferRef *ref)
+{
+    AVFilterBufferRef *buf;
+    int channels;
+
+    switch (outlink->type) {
+
+    case AVMEDIA_TYPE_VIDEO:
+        buf = ff_get_video_buffer(outlink, AV_PERM_WRITE,
+                                  ref->video->w, ref->video->h);
+        if(!buf)
+            return NULL;
+        av_image_copy(buf->data, buf->linesize,
+                      (void*)ref->data, ref->linesize,
+                      ref->format, ref->video->w, ref->video->h);
+        break;
+
+    case AVMEDIA_TYPE_AUDIO:
+        buf = ff_get_audio_buffer(outlink, AV_PERM_WRITE,
+                                        ref->audio->nb_samples);
+        if(!buf)
+            return NULL;
+        channels = av_get_channel_layout_nb_channels(ref->audio->channel_layout);
+        av_samples_copy(buf->extended_data, ref->buf->extended_data,
+                        0, 0, ref->audio->nb_samples,
+                        channels,
+                        ref->format);
+        break;
+
+    default:
+        return NULL;
+    }
+    avfilter_copy_buffer_ref_props(buf, ref);
+    return buf;
+}