lavfi: move tracing utilities definition from video.c to avfilter.c

These utilities are meant to be defined in avfilter.c, since they are
generic and thus contain both audio and video code.

libavfilter/avfilter.c

@@ -31,6 +31,46 @@
 #include "formats.h"
 #include "internal.h"
 
+char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms)
+{
+    snprintf(buf, buf_size, "%s%s%s%s%s%s",
+             perms & AV_PERM_READ      ? "r" : "",
+             perms & AV_PERM_WRITE     ? "w" : "",
+             perms & AV_PERM_PRESERVE  ? "p" : "",
+             perms & AV_PERM_REUSE     ? "u" : "",
+             perms & AV_PERM_REUSE2    ? "U" : "",
+             perms & AV_PERM_NEG_LINESIZES ? "n" : "");
+    return buf;
+}
+
+void ff_dlog_ref(void *ctx, AVFilterBufferRef *ref, int end)
+{
+    av_unused char buf[16];
+    av_dlog(ctx,
+            "ref[%p buf:%p refcount:%d perms:%s data:%p linesize[%d, %d, %d, %d] pts:%"PRId64" pos:%"PRId64,
+            ref, ref->buf, ref->buf->refcount, ff_get_ref_perms_string(buf, sizeof(buf), ref->perms), ref->data[0],
+            ref->linesize[0], ref->linesize[1], ref->linesize[2], ref->linesize[3],
+            ref->pts, ref->pos);
+
+    if (ref->video) {
+        av_dlog(ctx, " a:%d/%d s:%dx%d i:%c iskey:%d type:%c",
+                ref->video->sample_aspect_ratio.num, ref->video->sample_aspect_ratio.den,
+                ref->video->w, ref->video->h,
+                !ref->video->interlaced     ? 'P' :         /* Progressive  */
+                ref->video->top_field_first ? 'T' : 'B',    /* Top / Bottom */
+                ref->video->key_frame,
+                av_get_picture_type_char(ref->video->pict_type));
+    }
+    if (ref->audio) {
+        av_dlog(ctx, " cl:%"PRId64"d n:%d r:%d",
+                ref->audio->channel_layout,
+                ref->audio->nb_samples,
+                ref->audio->sample_rate);
+    }
+
+    av_dlog(ctx, "]%s", end ? "\n" : "");
+}
+
 unsigned avfilter_version(void) {
     av_assert0(LIBAVFILTER_VERSION_MICRO >= 100);
     return LIBAVFILTER_VERSION_INT;

libavfilter/internal.h

@@ -134,8 +134,14 @@ void ff_free_pool(AVFilterPool *pool);
 
 void ff_command_queue_pop(AVFilterContext *filter);
 
+/* misc debug functions */
+
 #define FF_DPRINTF_START(ctx, func) av_dlog(NULL, "%-16s: ", #func)
 
+char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms);
+
+void ff_dlog_ref(void *ctx, AVFilterBufferRef *ref, int end);
+
 void ff_dlog_link(void *ctx, AVFilterLink *link, int end);
 
 #endif /* AVFILTER_INTERNAL_H */

libavfilter/video.c

@@ -26,46 +26,6 @@
 #include "internal.h"
 #include "video.h"
 
-static char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms)
-{
-    snprintf(buf, buf_size, "%s%s%s%s%s%s",
-             perms & AV_PERM_READ      ? "r" : "",
-             perms & AV_PERM_WRITE     ? "w" : "",
-             perms & AV_PERM_PRESERVE  ? "p" : "",
-             perms & AV_PERM_REUSE     ? "u" : "",
-             perms & AV_PERM_REUSE2    ? "U" : "",
-             perms & AV_PERM_NEG_LINESIZES ? "n" : "");
-    return buf;
-}
-
-static void ff_dlog_ref(void *ctx, AVFilterBufferRef *ref, int end)
-{
-    av_unused char buf[16];
-    av_dlog(ctx,
-            "ref[%p buf:%p refcount:%d perms:%s data:%p linesize[%d, %d, %d, %d] pts:%"PRId64" pos:%"PRId64,
-            ref, ref->buf, ref->buf->refcount, ff_get_ref_perms_string(buf, sizeof(buf), ref->perms), ref->data[0],
-            ref->linesize[0], ref->linesize[1], ref->linesize[2], ref->linesize[3],
-            ref->pts, ref->pos);
-
-    if (ref->video) {
-        av_dlog(ctx, " a:%d/%d s:%dx%d i:%c iskey:%d type:%c",
-                ref->video->sample_aspect_ratio.num, ref->video->sample_aspect_ratio.den,
-                ref->video->w, ref->video->h,
-                !ref->video->interlaced     ? 'P' :         /* Progressive  */
-                ref->video->top_field_first ? 'T' : 'B',    /* Top / Bottom */
-                ref->video->key_frame,
-                av_get_picture_type_char(ref->video->pict_type));
-    }
-    if (ref->audio) {
-        av_dlog(ctx, " cl:%"PRId64"d n:%d r:%d",
-                ref->audio->channel_layout,
-                ref->audio->nb_samples,
-                ref->audio->sample_rate);
-    }
-
-    av_dlog(ctx, "]%s", end ? "\n" : "");
-}
-
 AVFilterBufferRef *ff_null_get_video_buffer(AVFilterLink *link, int perms, int w, int h)
 {
     return avfilter_get_video_buffer(link->dst->outputs[0], perms, w, h);