On Tue, Oct 30, 2018 at 10:08 AM Linjie Fu <linjie...@intel.com> wrote: > > Currently ff_get_format will go through all usable choices if the > chosen format was not supported. It will fallback to software if > the hardware init fails. > > According to the comment in ticket #7519, provided an option > "-fallback_forbid 1" to return directly if hardware init fails > and forbid the fallback to software. > > Signed-off-by: Linjie Fu <linjie...@intel.com> > --- > libavcodec/avcodec.h | 8 ++++++++ > libavcodec/decode.c | 11 +++++++++-- > libavcodec/options_table.h | 1 + > 3 files changed, 18 insertions(+), 2 deletions(-) > > diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h > index 705a3ce4f3..fac3c6acb2 100644 > --- a/libavcodec/avcodec.h > +++ b/libavcodec/avcodec.h > @@ -3312,6 +3312,14 @@ typedef struct AVCodecContext { > * used as reference pictures). > */ > int extra_hw_frames; > + > + /** > + * - forbid the fallback to software path in ff_get_format > + * - when the hardware init fails. (0 -> disabled) > + * - encoding: unused. > + * - decoding: Set by user. > + */ > + int fallback_forbid; > } AVCodecContext; >
This is really something user-code should implement, its easy enough to detect in eg. get_buffer2, and return an error from there. - Hendrik _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel