Add AV_NUM_DATA_POINTERS to simplify the bump transition.
This will allow for supporting more planar audio channels without having to
allocate separate pointer arrays.
---
doc/APIchanges | 4 ++++
libavcodec/avcodec.h | 11 ++++++++---
libavcodec/version.h | 3 +++
3 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/doc/APIchanges b/doc/APIchanges
index 8efee0c..7efc013 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -13,6 +13,10 @@ libavutil: 2011-04-18
API changes, most recent first:
+2011-xx-xx - xxxxxxx - lavc 53.22.0
+ Change AVFrame.data[4]/base[4] to [8] at next major bump.
+ Add AV_NUM_DATA_POINTERS to simplify the bump transition.
+
2011-xx-xx - xxxxxxx - lavu 51.18.0
Add av_samples_get_buffer_size(), av_samples_fill_arrays(), and
av_samples_alloc(), to samplefmt.h.
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index dc794b0..8b071fb 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -927,13 +927,18 @@ typedef struct AVPacket {
* sizeof(AVFrame) must not be used outside libav*.
*/
typedef struct AVFrame {
+#if FF_API_DATA_POINTERS
+#define AV_NUM_DATA_POINTERS 4
+#else
+#define AV_NUM_DATA_POINTERS 8
+#endif
/**
* pointer to the picture planes.
* This might be different from the first allocated byte
* - encoding:
* - decoding:
*/
- uint8_t *data[4];
+ uint8_t *data[AV_NUM_DATA_POINTERS];
int linesize[4];
/**
* pointer to the first allocated byte of the picture. Can be used in
get_buffer/release_buffer.
@@ -941,7 +946,7 @@ typedef struct AVFrame {
* - encoding:
* - decoding:
*/
- uint8_t *base[4];
+ uint8_t *base[AV_NUM_DATA_POINTERS];
/**
* 1 -> keyframe, 0-> not
* - encoding: Set by libavcodec.
@@ -3175,7 +3180,7 @@ typedef struct AVHWAccel {
* the last component is alpha
*/
typedef struct AVPicture {
- uint8_t *data[4];
+ uint8_t *data[AV_NUM_DATA_POINTERS];
int linesize[4]; ///< number of bytes per line
} AVPicture;
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 3f5c42e..b1f814a 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -107,5 +107,8 @@
#ifndef FF_API_INTERNAL_CONTEXT
#define FF_API_INTERNAL_CONTEXT (LIBAVCODEC_VERSION_MAJOR < 54)
#endif
+#ifndef FF_API_DATA_POINTERS
+#define FF_API_DATA_POINTERS (LIBAVCODEC_VERSION_MAJOR < 54)
+#endif
#endif /* AVCODEC_VERSION_H */
--
1.7.1
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