ff_videotoolbox_h264_decode_slice 368 libavcodec/videotoolbox.c return ff_videotoolbox_h264_decode_slice(avctx, buffer, size); ff_videotoolbox_h264_decode_slice 1158 libavcodec/videotoolbox.c .decode_slice = ff_videotoolbox_h264_decode_slice, ff_videotoolbox_h264_decode_slice 52 libavcodec/vt_internal.h int ff_videotoolbox_h264_decode_slice(AVCodecContext *avctx,