| Message ID | 20190408071010.12955-1-zachary.zhou@intel.com |
|---|---|
| State | Superseded |
| Headers | show |
> -----Original Message----- > From: Zhou, Zachary > Sent: Monday, April 8, 2019 3:10 PM > To: ffmpeg-devel@ffmpeg.org > Cc: Zhou, Zachary <zachary.zhou@intel.com> > Subject: [PATCH v1 1/3] fftools: Add thumbnail output to vaapi_h264 decoder > > This is sample code for reference > > HW support for decode+scaling in a single HW command (VDBOX+SFC). > The primary target usage is video analytics, but can be used playback, > transcoding, etc. > > For VAAPI - > https://github.com/intel/libva > basically, it allows multiple outputs (in different resolutions) using the decode > context in a single call (you can search for “additional_outputs” in va.h). > > VAAPI sample code - > https://github.com/intel/libva- > utils/commit/957a269f02b00760b7e807643c821ee26abc529b > --- > fftools/ffmpeg_opt.c | 28 ++++++++++++++++++++++++++++ > 1 file changed, 28 insertions(+) > > diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c index > 53d688b764..bfb0f882b5 100644 > --- a/fftools/ffmpeg_opt.c > +++ b/fftools/ffmpeg_opt.c > @@ -111,6 +111,10 @@ int filter_nbthreads = 0; int > filter_complex_nbthreads = 0; int vstats_version = 2; > > +int sfc_flags = 0; > +int sfc_width = 0; > +int sfc_height = 0; > +char *sfc_format; > > static int intra_only = 0; > static int file_overwrite = 0; > @@ -1100,6 +1104,13 @@ static int open_input_file(OptionsContext *o, > const char *filename) > av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", > AV_DICT_DONT_OVERWRITE); > scan_all_pmts_set = 1; > } > + > + //sfc opt > + av_dict_set_int(&o->g->codec_opts, "sfc_flags", sfc_flags, > AV_DICT_DONT_OVERWRITE); > + av_dict_set_int(&o->g->codec_opts, "sfc_width", sfc_width, > AV_DICT_DONT_OVERWRITE); > + av_dict_set_int(&o->g->codec_opts, "sfc_height", sfc_height, > AV_DICT_DONT_OVERWRITE); > + av_dict_set(&o->g->codec_opts, "sfc_format", sfc_format, > + AV_DICT_DONT_OVERWRITE); > + > /* open the input file with generic avformat function */ > err = avformat_open_input(&ic, filename, file_iformat, &o->g- > >format_opts); > if (err < 0) { > @@ -2898,6 +2909,13 @@ static int opt_vstats_file(void *optctx, const char > *opt, const char *arg) > return 0; > } > > +static int opt_sfc_format(void *optctx, const char *opt, const char > +*arg) { > + av_free (sfc_format); > + sfc_format = av_strdup (arg); > + return 0; > +} > + > static int opt_vstats(void *optctx, const char *opt, const char *arg) { > char filename[40]; > @@ -3746,5 +3764,15 @@ const OptionDef options[] = { > { "filter_hw_device", HAS_ARG | OPT_EXPERT, { .func_arg = > opt_filter_hw_device }, > "set hardware device used when filtering", "device" }, > > + //sfc opt > + { "sfc_flags", OPT_VIDEO | HAS_ARG | OPT_INT | OPT_INPUT, > { &sfc_flags }, > + "set sfc flags", "sfc" }, > + { "sfc_width", OPT_VIDEO | HAS_ARG | OPT_INT | OPT_INPUT, > { &sfc_width }, > + "set sfc width", "sfc" }, > + { "sfc_height", OPT_VIDEO | HAS_ARG | OPT_INT | OPT_INPUT, > { &sfc_height }, > + "set sfc height", "sfc" }, > + { "sfc_format", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = > opt_sfc_format }, > + "set sfc format", "sfc" }, > + > { NULL, }, > }; Please ignore this patch, new version will be send out soon. Sorry for inconvenience. > -- > 2.17.1
diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c index 53d688b764..bfb0f882b5 100644 --- a/fftools/ffmpeg_opt.c +++ b/fftools/ffmpeg_opt.c @@ -111,6 +111,10 @@ int filter_nbthreads = 0; int filter_complex_nbthreads = 0; int vstats_version = 2; +int sfc_flags = 0; +int sfc_width = 0; +int sfc_height = 0; +char *sfc_format; static int intra_only = 0; static int file_overwrite = 0; @@ -1100,6 +1104,13 @@ static int open_input_file(OptionsContext *o, const char *filename) av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE); scan_all_pmts_set = 1; } + + //sfc opt + av_dict_set_int(&o->g->codec_opts, "sfc_flags", sfc_flags, AV_DICT_DONT_OVERWRITE); + av_dict_set_int(&o->g->codec_opts, "sfc_width", sfc_width, AV_DICT_DONT_OVERWRITE); + av_dict_set_int(&o->g->codec_opts, "sfc_height", sfc_height, AV_DICT_DONT_OVERWRITE); + av_dict_set(&o->g->codec_opts, "sfc_format", sfc_format, AV_DICT_DONT_OVERWRITE); + /* open the input file with generic avformat function */ err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts); if (err < 0) { @@ -2898,6 +2909,13 @@ static int opt_vstats_file(void *optctx, const char *opt, const char *arg) return 0; } +static int opt_sfc_format(void *optctx, const char *opt, const char *arg) +{ + av_free (sfc_format); + sfc_format = av_strdup (arg); + return 0; +} + static int opt_vstats(void *optctx, const char *opt, const char *arg) { char filename[40]; @@ -3746,5 +3764,15 @@ const OptionDef options[] = { { "filter_hw_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_hw_device }, "set hardware device used when filtering", "device" }, + //sfc opt + { "sfc_flags", OPT_VIDEO | HAS_ARG | OPT_INT | OPT_INPUT, { &sfc_flags }, + "set sfc flags", "sfc" }, + { "sfc_width", OPT_VIDEO | HAS_ARG | OPT_INT | OPT_INPUT, { &sfc_width }, + "set sfc width", "sfc" }, + { "sfc_height", OPT_VIDEO | HAS_ARG | OPT_INT | OPT_INPUT, { &sfc_height }, + "set sfc height", "sfc" }, + { "sfc_format", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = opt_sfc_format }, + "set sfc format", "sfc" }, + { NULL, }, };