Marton Balint (12019-08-05):
> We do this by switching to AVBPrint.
>
> Signed-off-by: Marton Balint <c...@passwd.hu>
> ---
> doc/APIchanges | 3 +++
> libavformat/avio.h | 5 ++++-
> libavformat/aviobuf.c | 15 ++++++++++-----
> libavformat/version.h | 2 +-
> 4 files changed, 18 insertions(+), 7 deletions(-)
>
> diff --git a/doc/APIchanges b/doc/APIchanges
> index 0b19fb067d..fe36c34b90 100644
> --- a/doc/APIchanges
> +++ b/doc/APIchanges
> @@ -15,6 +15,9 @@ libavutil: 2017-10-21
>
> API changes, most recent first:
>
> +2019-08-xx - xxxxxxxxxx - lavf 58.31.101 - avio.h
> + 4K limit removed from avio_printf.
> +
> 2019-08-xx - xxxxxxxxxx - lavf 58.31.100 - avio.h
> Add avio_print_n_strings and avio_print.
>
> diff --git a/libavformat/avio.h b/libavformat/avio.h
> index ca08907917..f2051da18d 100644
> --- a/libavformat/avio.h
> +++ b/libavformat/avio.h
> @@ -571,7 +571,10 @@ int64_t avio_size(AVIOContext *s);
> */
> int avio_feof(AVIOContext *s);
>
> -/** @warning Writes up to 4 KiB per call */
> +/**
> + * Writes a formatted string to the context.
> + * @return number of bytes written, < 0 on error.
> + */
> int avio_printf(AVIOContext *s, const char *fmt, ...) av_printf_format(2, 3);
>
> /**
> diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
> index c37b056b64..007fba6410 100644
> --- a/libavformat/aviobuf.c
> +++ b/libavformat/aviobuf.c
> @@ -1215,14 +1215,19 @@ int avio_closep(AVIOContext **s)
> int avio_printf(AVIOContext *s, const char *fmt, ...)
> {
> va_list ap;
> - char buf[4096]; /* update doc entry in avio.h if changed */
> - int ret;
> + AVBPrint bp;
>
> + av_bprint_init(&bp, 0, INT_MAX);
INT_MAX? Should be -1 or AV_BPRINT_SIZE_UNLIMITED.
> va_start(ap, fmt);
> - ret = vsnprintf(buf, sizeof(buf), fmt, ap);
> + av_vbprintf(&bp, fmt, ap);
> va_end(ap);
> - avio_write(s, buf, strlen(buf));
> - return ret;
> + if (!av_bprint_is_complete(&bp)) {
> + av_bprint_finalize(&bp, NULL);
> + return AVERROR(ENOMEM);
> + }
> + avio_write(s, bp.str, bp.len);
> + av_bprint_finalize(&bp, NULL);
> + return bp.len;
> }
>
> int avio_print_n_strings(AVIOContext *s, int nb_strings, ...)
> diff --git a/libavformat/version.h b/libavformat/version.h
> index feceaedc08..9814db8633 100644
> --- a/libavformat/version.h
> +++ b/libavformat/version.h
> @@ -33,7 +33,7 @@
> // Also please add any ticket numbers that you believe might be affected here
> #define LIBAVFORMAT_VERSION_MAJOR 58
> #define LIBAVFORMAT_VERSION_MINOR 31
> -#define LIBAVFORMAT_VERSION_MICRO 100
> +#define LIBAVFORMAT_VERSION_MICRO 101
>
> #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
> LIBAVFORMAT_VERSION_MINOR, \
Regards,
--
Nicolas George
signature.asc
Description: PGP signature
_______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
