AV_BUFFERSRC_FLAG_KEEP_REF 258 doc/examples/filtering_audio.c if (av_buffersrc_add_frame_flags(buffersrc_ctx, frame, AV_BUFFERSRC_FLAG_KEEP_REF) < 0) { AV_BUFFERSRC_FLAG_KEEP_REF 258 doc/examples/filtering_video.c if (av_buffersrc_add_frame_flags(buffersrc_ctx, frame, AV_BUFFERSRC_FLAG_KEEP_REF) < 0) { AV_BUFFERSRC_FLAG_KEEP_REF 232 fftools/ffmpeg.c AV_BUFFERSRC_FLAG_KEEP_REF | AV_BUFFERSRC_FLAG_KEEP_REF 144 libavfilter/buffersrc.c AV_BUFFERSRC_FLAG_KEEP_REF); AV_BUFFERSRC_FLAG_KEEP_REF 166 libavfilter/buffersrc.c if (!(flags & AV_BUFFERSRC_FLAG_KEEP_REF) || !frame)