ffmpeg | branch: master | Jan Sebechlebsky <[email protected]> | Mon Jul 4 16:45:13 2016 +0200| [6a3515a5a49e985b0f2ce430c9cae9e21dd6d7c2] | committer: Marton Balint
avformat/utils: Add ff_format_output_open() function Add ff_format_output_open utility function to wrap io_open callback of AVFormatContext structure. Signed-off-by: Jan Sebechlebsky <[email protected]> Signed-off-by: Marton Balint <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6a3515a5a49e985b0f2ce430c9cae9e21dd6d7c2 --- libavformat/internal.h | 10 ++++++++++ libavformat/utils.c | 10 ++++++++++ 2 files changed, 20 insertions(+) diff --git a/libavformat/internal.h b/libavformat/internal.h index 1b44bea..0119749 100644 --- a/libavformat/internal.h +++ b/libavformat/internal.h @@ -572,6 +572,16 @@ int ffio_open2_wrapper(struct AVFormatContext *s, AVIOContext **pb, const char * */ #define FFERROR_REDO FFERRTAG('R','E','D','O') +/** + * Utility function to open IO stream of output format. + * + * @param s AVFormatContext + * @param url URL or file name to open for writing + * @options optional options which will be passed to io_open callback + * @return >=0 on success, negative AVERROR in case of failure + */ +int ff_format_output_open(AVFormatContext *s, const char *url, AVDictionary **options); + /* * A wrapper around AVFormatContext.io_close that should be used * instead of calling the pointer directly. diff --git a/libavformat/utils.c b/libavformat/utils.c index f2b0e6e..e5a99ff 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -5169,6 +5169,16 @@ int av_apply_bitstream_filters(AVCodecContext *codec, AVPacket *pkt, FF_ENABLE_DEPRECATION_WARNINGS #endif +int ff_format_output_open(AVFormatContext *s, const char *url, AVDictionary **options) +{ + if (!s->oformat) + return AVERROR(EINVAL); + + if (!(s->oformat->flags & AVFMT_NOFILE)) + return s->io_open(s, &s->pb, url, AVIO_FLAG_WRITE, options); + return 0; +} + void ff_format_io_close(AVFormatContext *s, AVIOContext **pb) { if (*pb) _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
