dyn_buf_write     769 libavformat/aviobuf.c     ret= dyn_buf_write(opaque, buf1, 4);
dyn_buf_write     774 libavformat/aviobuf.c     return dyn_buf_write(opaque, buf, buf_size);
dyn_buf_write     810 libavformat/aviobuf.c                         max_packet_size ? dyn_packet_buf_write : dyn_buf_write,