From e15aeea6565f0e6386db7738814fcdde46c2dec3 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Date: Thu, 4 Nov 2010 20:34:19 +0000
Subject: [PATCH] Implement avfilter_graph_alloc().

Originally committed as revision 25673 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 doc/APIchanges              | 3 +++
 ffmpeg.c                    | 2 +-
 ffplay.c                    | 2 +-
 libavfilter/avfilter.h      | 2 +-
 libavfilter/avfiltergraph.c | 5 +++++
 libavfilter/avfiltergraph.h | 5 +++++
 6 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/doc/APIchanges b/doc/APIchanges
index 81bd819ba..973b2dfe0 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -13,6 +13,9 @@ libavutil:   2009-03-08
 
 API changes, most recent first:
 
+2010-11-04 - r25672 - lavfi 1.55.0 - avfilter_graph_alloc()
+  Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
+
 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
   Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
   deprecate av_get_bits_per_sample_format().
diff --git a/ffmpeg.c b/ffmpeg.c
index ad3f670e1..5451acd8d 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -345,7 +345,7 @@ static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
     char args[255];
     int ret;
 
-    graph = av_mallocz(sizeof(AVFilterGraph));
+    graph = avfilter_graph_alloc();
 
     if ((ret = avfilter_open(&ist->input_video_filter, avfilter_get_by_name("buffer"), "src")) < 0)
         return ret;
diff --git a/ffplay.c b/ffplay.c
index 0563e96ed..3ee107f74 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -1795,7 +1795,7 @@ static int video_thread(void *arg)
     char sws_flags_str[128];
     FFSinkContext ffsink_ctx = { .pix_fmt = PIX_FMT_YUV420P };
     AVFilterContext *filt_src = NULL, *filt_out = NULL;
-    AVFilterGraph *graph = av_mallocz(sizeof(AVFilterGraph));
+    AVFilterGraph *graph = avfilter_graph_alloc();
     snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
     graph->scale_sws_opts = av_strdup(sws_flags_str);
 
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index e8146e0b3..ee1e0ad03 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -25,7 +25,7 @@
 #include "libavutil/avutil.h"
 
 #define LIBAVFILTER_VERSION_MAJOR  1
-#define LIBAVFILTER_VERSION_MINOR 54
+#define LIBAVFILTER_VERSION_MINOR 55
 #define LIBAVFILTER_VERSION_MICRO  0
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index baffc5168..6aa08157b 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -26,6 +26,11 @@
 #include "avfilter.h"
 #include "avfiltergraph.h"
 
+AVFilterGraph *avfilter_graph_alloc(void)
+{
+    return av_mallocz(sizeof(AVFilterGraph));
+}
+
 void avfilter_graph_destroy(AVFilterGraph *graph)
 {
     for(; graph->filter_count > 0; graph->filter_count --)
diff --git a/libavfilter/avfiltergraph.h b/libavfilter/avfiltergraph.h
index efb9cc02b..0b08f026d 100644
--- a/libavfilter/avfiltergraph.h
+++ b/libavfilter/avfiltergraph.h
@@ -32,6 +32,11 @@ typedef struct AVFilterGraph {
 } AVFilterGraph;
 
 /**
+ * Allocate a filter graph.
+ */
+AVFilterGraph *avfilter_graph_alloc(void);
+
+/**
  * Get a filter instance with name name from graph.
  *
  * @return the pointer to the found filter instance or NULL if it
-- 
2.11.0