lavfi: move definition of avfilter_copy_buf_props() from buffer.c to avcodec.c

avcodec.c is where it is defined the lavc/lavfi interface code, so seems
a more adequate location (and doesn't force the inclusion of
libavcodec/avcodec.h where it is not required).

1 files changed, 44 insertions, 0 deletions

diff --git a/libavfilter/avcodec.c b/libavfilter/avcodec.c
index 6d3aa59a80..6b23772564 100644
--- a/libavfilter/avcodec.c
+++ b/libavfilter/avcodec.c
@@ -79,6 +79,50 @@ AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_frame(const AVFrame *frame
     return picref;
 }
 
+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;
+}
+
 int avfilter_fill_frame_from_audio_buffer_ref(AVFrame *frame,
                                               const AVFilterBufferRef *samplesref)
 {