From 4138cd29077de2fbca9c49e96f70d21a78e24e33 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Sun, 4 Mar 2012 16:46:45 +0100 Subject: [PATCH] avconv: add -cpuflags option for setting supported cpuflags. Useful for testing. --- avconv.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++ cmdutils.c | 7 ++---- cmdutils.h | 6 +++++ doc/avconv.texi | 4 ++++ 4 files changed, 76 insertions(+), 5 deletions(-) diff --git a/avconv.c b/avconv.c index f9ad054276..53a7661640 100644 --- a/avconv.c +++ b/avconv.c @@ -4397,6 +4397,67 @@ static int opt_deinterlace(const char *opt, const char *arg) return 0; } +static int opt_cpuflags(const char *opt, const char *arg) +{ +#define CPUFLAG_MMX2 (AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMX2) +#define CPUFLAG_3DNOW (AV_CPU_FLAG_3DNOW | AV_CPU_FLAG_MMX) +#define CPUFLAG_3DNOWEXT (AV_CPU_FLAG_3DNOWEXT | CPUFLAG_3DNOW) +#define CPUFLAG_SSE (AV_CPU_FLAG_SSE | CPUFLAG_MMX2) +#define CPUFLAG_SSE2 (AV_CPU_FLAG_SSE2 | CPUFLAG_SSE) +#define CPUFLAG_SSE2SLOW (AV_CPU_FLAG_SSE2SLOW | CPUFLAG_SSE2) +#define CPUFLAG_SSE3 (AV_CPU_FLAG_SSE3 | CPUFLAG_SSE2) +#define CPUFLAG_SSE3SLOW (AV_CPU_FLAG_SSE3SLOW | CPUFLAG_SSE3) +#define CPUFLAG_SSSE3 (AV_CPU_FLAG_SSSE3 | CPUFLAG_SSE3) +#define CPUFLAG_SSE4 (AV_CPU_FLAG_SSE4 | CPUFLAG_SSSE3) +#define CPUFLAG_SSE42 (AV_CPU_FLAG_SSE42 | CPUFLAG_SSE4) +#define CPUFLAG_AVX (AV_CPU_FLAG_AVX | CPUFLAG_SSE42) +#define CPUFLAG_XOP (AV_CPU_FLAG_XOP | CPUFLAG_AVX) +#define CPUFLAG_FMA4 (AV_CPU_FLAG_FMA4 | CPUFLAG_AVX) + static const AVOption cpuflags_opts[] = { + { "flags" , NULL, 0, AV_OPT_TYPE_FLAGS, { 0 }, INT64_MIN, INT64_MAX, .unit = "flags" }, + { "altivec" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ALTIVEC }, .unit = "flags" }, + { "mmx" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_MMX }, .unit = "flags" }, + { "mmx2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_MMX2 }, .unit = "flags" }, + { "sse" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE }, .unit = "flags" }, + { "sse2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE2 }, .unit = "flags" }, + { "sse2slow", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE2SLOW }, .unit = "flags" }, + { "sse3" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE3 }, .unit = "flags" }, + { "sse3slow", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE3SLOW }, .unit = "flags" }, + { "ssse3" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSSE3 }, .unit = "flags" }, + { "atom" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ATOM }, .unit = "flags" }, + { "sse4.1" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE4 }, .unit = "flags" }, + { "sse4.2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE42 }, .unit = "flags" }, + { "avx" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_AVX }, .unit = "flags" }, + { "xop" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_XOP }, .unit = "flags" }, + { "fma4" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_FMA4 }, .unit = "flags" }, + { "3dnow" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_3DNOW }, .unit = "flags" }, + { "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_3DNOWEXT }, .unit = "flags" }, + { NULL }, + }; + static const AVClass class = { + .class_name = "cpuflags", + .item_name = av_default_item_name, + .option = cpuflags_opts, + .version = LIBAVUTIL_VERSION_INT, + }; + + int flags = 0, ret; + const AVClass *pclass = &class; + + if ((ret = av_opt_eval_flags(&pclass, &cpuflags_opts[0], arg, &flags)) < 0) + return ret; + + av_set_cpu_flags_mask(flags); + return 0; +} + +static void parse_cpuflags(int argc, char **argv, const OptionDef *options) +{ + int idx = locate_option(argc, argv, options, "cpuflags"); + if (idx && argv[idx + 1]) + opt_cpuflags("cpuflags", argv[idx + 1]); +} + #define OFFSET(x) offsetof(OptionsContext, x) static const OptionDef options[] = { /* main options */ @@ -4446,6 +4507,7 @@ static const OptionDef options[] = { { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", }, { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" }, { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" }, + { "cpuflags", HAS_ARG | OPT_EXPERT, {(void*)opt_cpuflags}, "set CPU flags mask", "mask" }, /* video options */ { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" }, @@ -4532,6 +4594,8 @@ int main(int argc, char **argv) show_banner(); + parse_cpuflags(argc, argv, options); + /* parse options */ parse_options(&o, argc, argv, options, opt_output_file); diff --git a/cmdutils.c b/cmdutils.c index ed0813f986..336f50bfd8 100644 --- a/cmdutils.c +++ b/cmdutils.c @@ -320,11 +320,8 @@ void parse_options(void *optctx, int argc, char **argv, const OptionDef *options } } -/* - * Return index of option opt in argv or 0 if not found. - */ -static int locate_option(int argc, char **argv, const OptionDef *options, - const char *optname) +int locate_option(int argc, char **argv, const OptionDef *options, + const char *optname) { const OptionDef *po; int i; diff --git a/cmdutils.h b/cmdutils.h index 37fd4d3b67..67126493a4 100644 --- a/cmdutils.h +++ b/cmdutils.h @@ -189,6 +189,12 @@ int parse_option(void *optctx, const char *opt, const char *arg, */ void parse_loglevel(int argc, char **argv, const OptionDef *options); +/** + * Return index of option opt in argv or 0 if not found. + */ +int locate_option(int argc, char **argv, const OptionDef *options, + const char *optname); + /** * Check if the given stream matches a stream specifier. * diff --git a/doc/avconv.texi b/doc/avconv.texi index 25fb12fdc0..91283a4831 100644 --- a/doc/avconv.texi +++ b/doc/avconv.texi @@ -808,6 +808,10 @@ avconv -i file.mov -an -vn -bsf:s mov2textsub -c:s copy -f rawvideo sub.txt @item -tag[:@var{stream_specifier}] @var{codec_tag} (@emph{output,per-stream}) Force a tag/fourcc for matching streams. + +@item -cpuflags mask (@emph{global}) +Set a mask that's applied to autodetected CPU flags. This option is intended +for testing. Do not use it unless you know what you're doing. @end table @c man end OPTIONS