From c23999be134bde0a0554261a9043be7dbc01de0c Mon Sep 17 00:00:00 2001 From: Timothy Gu Date: Tue, 25 Aug 2015 16:45:21 -0700 Subject: avconv_opt: Add an option that lists all supported hwaccels Signed-off-by: Luca Barbato --- avconv_opt.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'avconv_opt.c') diff --git a/avconv_opt.c b/avconv_opt.c index b527335018..5bdd7d9c0e 100644 --- a/avconv_opt.c +++ b/avconv_opt.c @@ -177,6 +177,18 @@ static double parse_frame_aspect_ratio(const char *arg) return ar; } +static int show_hwaccels(void *optctx, const char *opt, const char *arg) +{ + int i; + + printf("Supported hardware acceleration:\n"); + for (i = 0; i < FF_ARRAY_ELEMS(hwaccels) - 1; i++) { + printf("%s\n", hwaccels[i].name); + } + printf("\n"); + return 0; +} + static int opt_audio_codec(void *optctx, const char *opt, const char *arg) { OptionsContext *o = optctx; @@ -2446,6 +2458,8 @@ const OptionDef options[] = { { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) }, "select a device for HW acceleration", "devicename" }, + { "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels }, + "show available HW acceleration methods" }, { "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) }, "automatically insert correct rotate filters" }, -- cgit v1.2.3