ffmpeg | branch: release/4.3 | Michael Niedermayer <mich...@niedermayer.cc> | Mon May 15 00:54:50 2023 +0200| [7acd31d09a78e43107094784f2cbea93deda1144] | committer: Michael Niedermayer
avformat: add ff_match_url_ext() Match url against a list of extensions similar to av_match_ext() Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit a7b06bfc5d20b12ff0122702c09517cf359fbb66) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7acd31d09a78e43107094784f2cbea93deda1144 --- libavformat/format.c | 25 +++++++++++++++++++++++++ libavformat/internal.h | 9 +++++++++ 2 files changed, 34 insertions(+) diff --git a/libavformat/format.c b/libavformat/format.c index 109aa4c92e..ed46773cca 100644 --- a/libavformat/format.c +++ b/libavformat/format.c @@ -48,6 +48,31 @@ int av_match_ext(const char *filename, const char *extensions) return 0; } +int ff_match_url_ext(const char *url, const char *extensions) +{ + const char *ext; + URLComponents uc; + int ret; + char scratchpad[128]; + + if (!url) + return 0; + + ret = ff_url_decompose(&uc, url, NULL); + if (ret < 0 || !URL_COMPONENT_HAVE(uc, scheme)) + return ret; + for (ext = uc.query; *ext != '.' && ext > uc.path; ext--) + ; + + if (*ext != '.') + return 0; + if (uc.query - ext > sizeof(scratchpad)) + return AVERROR(ENOMEM); //not enough memory in our scratchpad + av_strlcpy(scratchpad, ext + 1, FFMIN(sizeof(scratchpad), uc.query - ext)); + + return av_match_name(scratchpad, extensions); +} + ff_const59 AVOutputFormat *av_guess_format(const char *short_name, const char *filename, const char *mime_type) { diff --git a/libavformat/internal.h b/libavformat/internal.h index 17a6ab07d3..9929ce8de0 100644 --- a/libavformat/internal.h +++ b/libavformat/internal.h @@ -730,6 +730,15 @@ int ff_unlock_avformat(void); */ void ff_format_set_url(AVFormatContext *s, char *url); +/** + * Return a positive value if the given url has one of the given + * extensions, negative AVERROR on error, 0 otherwise. + * + * @param url url to check against the given extensions + * @param extensions a comma-separated list of filename extensions + */ +int ff_match_url_ext(const char *url, const char *extensions); + #define FF_PACKETLIST_FLAG_REF_PACKET (1 << 0) /**< Create a new reference for the packet instead of transferring the ownership of the existing one to the list. */ _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
