--- doc/ffmpeg.texi | 4 ++++ ffmpeg_opt.c | 14 ++++++++++++++ 2 files changed, 18 insertions(+)
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index 51a4ec5..e1d8562 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -698,6 +698,10 @@ is not specified, the value of the @var{DISPLAY} environment variable is used For DXVA2, this option should contain the number of the display adapter to use. If this option is not specified, the default adapter is used. @end table + +@item -hwaccels +List all hardware acceleration methods supported in this build of avconv. + @end table @section Audio Options diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c index a369224..b8b9022 100644 --- a/ffmpeg_opt.c +++ b/ffmpeg_opt.c @@ -205,6 +205,18 @@ static int opt_video_standard(void *optctx, const char *opt, const char *arg) return opt_default(optctx, "standard", arg); } +static int show_hwaccels(void *optctx, const char *opt, const char *arg) +{ + int i; + + printf("Hardware acceleration methods:\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; @@ -3241,6 +3253,8 @@ const OptionDef options[] = { #if CONFIG_VDA || CONFIG_VIDEOTOOLBOX { "videotoolbox_pixfmt", HAS_ARG | OPT_STRING | OPT_EXPERT, { &videotoolbox_pixfmt}, "" }, #endif + { "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" }, -- 1.9.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel