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authorNicolas George <nicolas.george@normalesup.org>2012-12-02 16:39:41 +0100
committerNicolas George <nicolas.george@normalesup.org>2012-12-20 13:03:41 +0100
commit34de47aa35a39ddcf085b28f7c99f8de8f6c3c9c (patch)
tree6fa12b45581760fcfea8c9b6504fff00cdd2963d
parent238edd2fe33da8281b3774196c3de503ea64b745 (diff)
downloadffmpeg-34de47aa35a39ddcf085b28f7c99f8de8f6c3c9c.tar.gz
lavfi: add an accessor for ref->audio->channels.
-rw-r--r--doc/APIchanges4
-rw-r--r--libavfilter/audio.c5
-rw-r--r--libavfilter/avfilter.h7
-rw-r--r--libavfilter/version.h4
4 files changed, 17 insertions, 3 deletions
diff --git a/doc/APIchanges b/doc/APIchanges
index 355b22aa78..b463749eba 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -15,6 +15,10 @@ libavutil: 2012-10-22
API changes, most recent first:
+2012-12-20 - xxxxxxx - lavfi 3.28.100 - avfilter.h
+ Add AVFilterLink.channels, avfilter_link_get_channels()
+ and avfilter_ref_get_channels().
+
2012-12-15 - 2ada584d - lavc 54.80.100 - avcodec.h
Add pkt_size field to AVFrame.
diff --git a/libavfilter/audio.c b/libavfilter/audio.c
index 565f2e264c..3564896534 100644
--- a/libavfilter/audio.c
+++ b/libavfilter/audio.c
@@ -27,6 +27,11 @@
#include "avfilter.h"
#include "internal.h"
+int avfilter_ref_get_channels(AVFilterBufferRef *ref)
+{
+ return ref->audio ? ref->audio->channels : 0;
+}
+
AVFilterBufferRef *ff_null_get_audio_buffer(AVFilterLink *link, int perms,
int nb_samples)
{
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 5234a66201..3849c7b0b4 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -128,7 +128,7 @@ typedef struct AVFilterBufferRefAudioProps {
uint64_t channel_layout; ///< channel layout of audio buffer
int nb_samples; ///< number of audio samples per channel
int sample_rate; ///< audio buffer sample rate
- int channels; ///< number of channels
+ int channels; ///< number of channels (do not access directly)
} AVFilterBufferRefAudioProps;
/**
@@ -233,6 +233,11 @@ void avfilter_unref_buffer(AVFilterBufferRef *ref);
*/
void avfilter_unref_bufferp(AVFilterBufferRef **ref);
+/**
+ * Get the number of channels of a buffer reference.
+ */
+int avfilter_ref_get_channels(AVFilterBufferRef *ref);
+
#if FF_API_AVFILTERPAD_PUBLIC
/**
* A filter pad used for either input or output.
diff --git a/libavfilter/version.h b/libavfilter/version.h
index ee6525f549..d8061de811 100644
--- a/libavfilter/version.h
+++ b/libavfilter/version.h
@@ -29,8 +29,8 @@
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 3
-#define LIBAVFILTER_VERSION_MINOR 28
-#define LIBAVFILTER_VERSION_MICRO 102
+#define LIBAVFILTER_VERSION_MINOR 29
+#define LIBAVFILTER_VERSION_MICRO 100
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \