ff_libwebp_get_frame   44 libavcodec/libwebpenc.c     int ret = ff_libwebp_get_frame(avctx, s, frame, &alt_frame, &pic);
ff_libwebp_get_frame   90 libavcodec/libwebpenc_animencoder.c         ret = ff_libwebp_get_frame(avctx, &s->cc, frame, &alt_frame, &pic);
ff_libwebp_get_frame   56 libavcodec/libwebpenc_common.h int ff_libwebp_get_frame(AVCodecContext *avctx, LibWebPContextCommon *s,