Signed-off-by: Steven Liu <l...@chinaffmpeg.org> --- fftools/cmdutils.c | 18 ++++++++++++++++++ fftools/ffmpeg_opt.c | 2 +- 2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/fftools/cmdutils.c b/fftools/cmdutils.c index 84f98b7c04..96b823f74a 100644 --- a/fftools/cmdutils.c +++ b/fftools/cmdutils.c @@ -1870,6 +1870,22 @@ static void show_help_demuxer(const char *name) show_help_children(fmt->priv_class, AV_OPT_FLAG_DECODING_PARAM); } +static void show_help_protocol(const char *name) +{ + const AVClass *proto_class = avio_protocol_get_class(name); + + printf("Protocol [%s]:\n" + " D. = Input supported\n" + " .E = Output supported\n" + " --\n", name); + if (!proto_class) { + av_log(NULL, AV_LOG_ERROR, "Unknown protocol '%s'.\n", name); + return; + } + + show_help_children(proto_class, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM); +} + static void show_help_muxer(const char *name) { const AVCodecDescriptor *desc; @@ -2000,6 +2016,8 @@ int show_help(void *optctx, const char *opt, const char *arg) show_help_demuxer(par); } else if (!strcmp(topic, "muxer")) { show_help_muxer(par); + } else if (!strcmp(topic, "protocol")) { + show_help_protocol(par); #if CONFIG_AVFILTER } else if (!strcmp(topic, "filter")) { show_help_filter(par); diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c index 71063cc443..8d73fa8a78 100644 --- a/fftools/ffmpeg_opt.c +++ b/fftools/ffmpeg_opt.c @@ -3194,7 +3194,7 @@ void show_help_default(const char *opt, const char *arg) " -h -- print basic options\n" " -h long -- print more options\n" " -h full -- print all options (including all format and codec specific options, very long)\n" - " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter/bsf\n" + " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter/bsf/protocol\n" " See man %s for detailed description of the options.\n" "\n", program_name); -- 2.15.1 _______________________________________________ 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".