On 2/28/2025 7:43 AM, Andreas Rheinhardt wrote:
James Almer:
Signed-off-by: James Almer <jamr...@gmail.com>
---
  libavcodec/allcodecs.c      | 1 +
  libavcodec/codec_internal.h | 6 +++---
  2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 4e1b1c9b45..3be33f5cc4 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -29,6 +29,7 @@
#include "config.h"
  #include "libavutil/thread.h"
+#include "avcodec.h"
  #include "codec.h"
  #include "codec_id.h"
  #include "codec_internal.h"
diff --git a/libavcodec/codec_internal.h b/libavcodec/codec_internal.h
index 5b2db74590..473d72fdbb 100644
--- a/libavcodec/codec_internal.h
+++ b/libavcodec/codec_internal.h
@@ -22,7 +22,6 @@
  #include <stdint.h>
#include "libavutil/attributes.h"
-#include "avcodec.h"
  #include "codec.h"
  #include "config.h"
@@ -102,6 +101,7 @@ typedef struct FFCodecDefault {
  struct AVCodecContext;
  struct AVSubtitle;
  struct AVPacket;
+enum AVCodecConfig;

Forward declaring an enum is not allowed and compilers warn about this
with -pedantic. The reason for this is that the underlying type of an
enum may depend upon its enumeration constants and if a compiler did
this, it would need them to know sizeof of such an enum and offsets in
structs etc.

How about replacing the enum in the protoypes below with an int?


enum FFCodecType {
      /* The codec is a decoder using the decode callback;
@@ -268,7 +268,7 @@ typedef struct FFCodec {
       * ff_default_get_supported_config() will be used. `out_num_configs` will
       * always be set to a valid pointer.
       */
-    int (*get_supported_config)(const AVCodecContext *avctx,
+    int (*get_supported_config)(const struct AVCodecContext *avctx,
                                  const AVCodec *codec,
                                  enum AVCodecConfig config,
                                  unsigned flags,
@@ -283,7 +283,7 @@ typedef struct FFCodec {
   * For AVCODEC_CONFIG_COLOR_RANGE, the output will depend on the bitmask in
   * FFCodec.color_ranges, with a value of 0 returning NULL.
   */
-int ff_default_get_supported_config(const AVCodecContext *avctx,
+int ff_default_get_supported_config(const struct AVCodecContext *avctx,
                                      const AVCodec *codec,
                                      enum AVCodecConfig config,
                                      unsigned flags,

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