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[FFmpeg-devel,v10,10/14] avcodec: add frame side data array to AVCodecContext

Message ID 20240318213141.1376789-11-jeebjp@gmail.com
State Accepted
Commit 0d36844ddf90bcd8ca4ba7625918d384a5d808ba
Headers show
Series [FFmpeg-devel,v10,01/14] avutil/frame: split side data list wiping out to non-AVFrame function | expand

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Commit Message

Jan Ekström March 18, 2024, 9:31 p.m. UTC 
This allows configuring an encoder by using AVFrameSideData.
---
 doc/APIchanges       |  3 +++
 libavcodec/avcodec.h | 13 +++++++++++++
 libavcodec/options.c |  2 ++
 libavcodec/version.h |  4 ++--
 4 files changed, 20 insertions(+), 2 deletions(-)
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Patch

diff --git a/doc/APIchanges b/doc/APIchanges
index 4f906432d5..a025f1df14 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -2,6 +2,9 @@  The last version increases of all libraries were on 2024-03-07
 
 API changes, most recent first:
 
+2024-03-xx - xxxxxxxxxx - lavc 61.2.100 - avcodec.h
+  Add AVCodecContext.[nb_]decoded_side_data.
+
 2024-03-xx - xxxxxxxxxx - lavu 59.3.100 - frame.h
   Add av_frame_side_data_free(), av_frame_side_data_new(),
   av_frame_side_data_clone(), av_frame_side_data_get() as well
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 554501aa44..83dc487251 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2062,6 +2062,19 @@  typedef struct AVCodecContext {
      * Number of entries in side_data_prefer_packet.
      */
     unsigned nb_side_data_prefer_packet;
+
+    /**
+     * Array containing static side data, such as HDR10 CLL / MDCV structures.
+     * Side data entries should be allocated by usage of helpers defined in
+     * libavutil/frame.h.
+     *
+     * - encoding: may be set by user before calling avcodec_open2() for
+     *             encoder configuration. Afterwards owned and freed by the
+     *             encoder.
+     * - decoding: unused
+     */
+    AVFrameSideData  **decoded_side_data;
+    int             nb_decoded_side_data;
 } AVCodecContext;
 
 /**
diff --git a/libavcodec/options.c b/libavcodec/options.c
index dcc67e497a..5169f2e476 100644
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@@ -176,6 +176,8 @@  void avcodec_free_context(AVCodecContext **pavctx)
     av_freep(&avctx->inter_matrix);
     av_freep(&avctx->rc_override);
     av_channel_layout_uninit(&avctx->ch_layout);
+    av_frame_side_data_free(
+        &avctx->decoded_side_data, &avctx->nb_decoded_side_data);
 
     av_freep(pavctx);
 }
diff --git a/libavcodec/version.h b/libavcodec/version.h
index b4616ccc27..0550d7b0d8 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,8 +29,8 @@ 
 
 #include "version_major.h"
 
-#define LIBAVCODEC_VERSION_MINOR   1
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MINOR   2
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \