Romain Beauxis:
> Firt argument in these function is only used to pass to av_log. This
> makes it possible to re-use them with any type of AVClass struct.
>
> ---
> libavformat/oggdec.h | 5 ++++-
> libavformat/oggparsevorbis.c | 4 ++--
> 2 files changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/libavformat/oggdec.h b/libavformat/oggdec.h
> index 43df23f4cb..6177254fd2 100644
> --- a/libavformat/oggdec.h
> +++ b/libavformat/oggdec.h
> @@ -136,8 +136,11 @@ extern const struct ogg_codec ff_vp8_codec;
> * so it needs to be writable. Furthermore it must be padded
> * by a single byte (not counted in size).
> * All changes will have been reverted upon return.
> + *
> + * @param avcl A pointer to an arbitrary struct of which the first field is a
> + * pointer to an AVClass struct.
> */
> -int ff_vorbis_comment(AVFormatContext *ms, AVDictionary **m,
> +int ff_vorbis_comment(void *avcl, AVDictionary **m,
> const uint8_t *buf, int size, int parse_picture);
>
> /**
> diff --git a/libavformat/oggparsevorbis.c b/libavformat/oggparsevorbis.c
> index 9f50ab9ffc..62eb8bbf70 100644
> --- a/libavformat/oggparsevorbis.c
> +++ b/libavformat/oggparsevorbis.c
> @@ -88,7 +88,7 @@ int ff_vorbis_stream_comment(AVFormatContext *as, AVStream
> *st,
> * and reverts its changes before return. The input buffer needs to have
> * at least one byte of padding.
> */
> -static int vorbis_parse_single_comment(AVFormatContext *as, AVDictionary **m,
> +static int vorbis_parse_single_comment(void *as, AVDictionary **m,
> const uint8_t *buf, uint32_t size,
> int *updates, int parse_picture)
> {
> @@ -146,7 +146,7 @@ end:
> return 0;
> }
>
> -int ff_vorbis_comment(AVFormatContext *as, AVDictionary **m,
> +int ff_vorbis_comment(void *as, AVDictionary **m,
> const uint8_t *buf, int size,
> int parse_picture)
> {
This is wrong: ff_vorbis_comment() really requires an AVFormatContext*
(see e.g. ogm_chapter() or ff_flac_parse_picture()).
Anyway: Your comment could simply say "a logcontext". And the variable
could be renamed to logctx.
- Andreas
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